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287 Cards in this Set
- Front
- Back
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What AFI series covers communications and information?
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33
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What Air Force publication establishes policy on how C4 systems are acuired, operated, and maintained?
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AFPD 33--1
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What Air Force publication identifies responsibilities for supporting critical Air Force communications and information networks, primarily through NCCs?
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AFI 33-115, Vol 1
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What Air Force publication provides the policy and procedures for certifying network professionals who manage and operate government-provided information systems on Air Force networks?
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AFI 33-115, Vol 2
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What organization does communication and information services entering and exiting the base or site fall under the oeprational control of?
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Base NCC
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What function within the NCC provides technical assistance to the unit functional system administrators and workgroup managers?
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Network administration
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Whose network area of responsibility starts at the user's terminal and ends at the server, but does NOT include the network backbone infrastructure components?
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unit functional systems administrator
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what AFI sets the policies that unit client support administrators must comply with?
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AFI 33-115
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What NCC function responds to detected security incidents, network faults (errors), and user reported outages at the time of help desk referral?
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Network management
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What NCC function is the central point of contact for network distribution and maintenance/update of an Air Force Computer Emergency Response Team and automated systems security and antivirus software?
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Configuration management
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Performance management can be broken into which two separate functional categories?
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Monitoring and tuning
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To determine the level of network service provided to users, you will make a measurement of the total response time
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rejection rate and availability of the network.
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What NCC function increases network responsibility by giving the network manager tools to detect problems and initiate recovery procedures?
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Fault management
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What does Network Security work to ensure about a network?
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Availability, confidentiality, and integrity of data
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What jobs are performed by a help desk technician on a daily basis?
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Network monitoring, account unlocks, and account creations
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With in the NCC, what function is initially responsible for taking trouble calls, decidin what type of problem has occurred, and what to do about the problem?
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Help desk
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What is one of the most important communications skills you can develop as a help desk operator?
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Listening
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What software is used to open trouble tickets for customer trouble calls?
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Remedy
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What are a set of subnets that are connected with routers?
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Internetwork
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What is a set of systems/nodes on a local segment that can be off of a switch or a router?
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Intranetwork
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What type of network environments consists of computer systems from different vendors that run different operating systems and communication protocols?
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Heterogeneous network
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What type of network is made up of componets from the same vendor or compatible equipemnt that all run under the same operating system ro network operating system?
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Homogeneous network
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What type of communications network serves users within a confined geographical area?
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Local area network
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What type of communications network links geographically dispersed offices in other cities or around the globe?
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Wide are network
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How many users ar in a peer-to-peer network?
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2 to 10
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How many users are in a single-server network?
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10 to 50
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How many users are in a multi-server high-speed backbone network?
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250 to 1000
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In most cases the frequencies used by wireless networks are in what frequency band?
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Industrial, scientific, and medical (ISM)
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What is the distorting and/or weakeing of a signal as it traverses the media called?
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Attenuation
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What is a measurement of data transferred through the media between network connections?
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Throughput
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What is a form of communications that transmits information as a serial stream of bits or bytes?
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Asynchronous communication
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What categoy of twisted-pair cables has the highest throughput?
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Cat 5
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A fiber optic network uses a laser or light-emitting diode to send a signal through what portion of the cable?
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Core
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Light signals in fiber optic cables can travel distances in excess of how many miles before they need to be boosted?
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100
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What type of otic fiber is used to span extremely long distances?
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Single mode
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What type of optic fiber is designed for the LAN environment and light is typically generated with an LED?
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Multi mode
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What are the principle advantages of fiber otics with present day transmission technologies?
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Sturdiness and security
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What network topology consists of a single central cable to which all computers and other devices connect?
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Bus
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What is the greatest risk to a bus network?
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The bus itself can beome inoperable
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On what netwrok topology, can multiple transmit frames co-exist?
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Fiber Distributed Data Interface
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hat is the major DOD contribution to networking?
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The TCP/IP Suite
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What is a set of rules tha tdefine how communications are to take place in a network, including the format, timing, sequences, and error checking and correction?
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Protocol
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What layer of the OSI model is really a set of rules regarding the hardware used to transmit data?
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Physical
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What layer of the OSI model provides the grammar by which machines converse with each other and serves as a vehicle for the information transmission?
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Data Link
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What layer of the OSI model prevents a fast computer from overwhelming a slow terminal?
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Transport
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A feature which involves the periodic insertion of points into data from which any recovery necessary can be started is known as what?
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Checkpointing
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Which layer of the OSI model is connected with network security, file transfers, and formatting functions?
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Presentation
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The IEEE 802.3 standard describes a local area network using what kind of topology?
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Bus
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What protocol is used by the IEEE 802.3 standard to avoid collisions on the network?
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Carrier Sense Multiple Access/Collision Detection
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What does a station specifically send when it sends a general request through the network asking any station to respond to receive the token?
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Solicit successor frame
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The IEEE 802.5 standard was developed to cover what local area network topology?
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Token Ring
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Why can a token rink network cover a greater distance than a token bus network without loss of signal?
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Because each workstation repeats the signal
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What X series protocol is a Message Handling System (MHS) standard, that defines the structure of a store-and-forward e-mail message handling system?
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X.400
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What X series protocol is a Directory Services specification standard that defines the structure of a store-and-forward e-mail MHS?
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X.500
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Which protocol of TCP/IP provides a connectionless datagram "network access" layer?
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Internet Protocol
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Which protocol of TCP/IP is a connection oriented, reliable, host-to-host transport protocol?
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Transmission Control Protocol
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What makes it possible for implementers to produce new NFS systems without having to reconstruct their own system's internal data representation formats to suit NFS?
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eXternal data representation
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As information passes down trhought the protocol layers, what is the packet that is formed called?
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Protocol data unit
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What is the only layer inthe OSI model that simply transmits the completed frame?
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Physical
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What layer of the OSI model adds a trailerto the packet?
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Data Link
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In the Ethernet environment, what is the minimum number of octetsin a frame so it can be sent and recieved?
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46
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What is used to identify network nodes on a physically connected network?
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Media access control address
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How many octes is the standard Internet Protocol broken down into?
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4
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What type of mask is used within a network that uses the same amount of bits for masking for all subnetworks?
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Standard
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What communications device converts binary electrical signals into acoustic sigals for transmission over telephone lines?
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Modem
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What communications device is used for converting analog signals to digital for transmission o digital lines?
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Codecs
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What NIC module drives the signal onto and from the physical medium?
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Transmit/Receive
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What NIC module converts information into a coded data stream?
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Encode/Decode
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What NIC module temporarily holds data for processing to or from the network?
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Frame Buffering
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What network component serves as a central connecting point and is used to extend the physical media by repeating the signal it receives in one port out to all the other ports indiscriminately?
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Hub
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What type of hub has special capabilities for configurations and or management?
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An intelligent hub
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What network condition usually begins slowly and (if not stopped) gradually grows in severity until all traffic flow on the network is effectively stopped?
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Broadcast storm
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What is a group of devices connected to the same physical media such that if two devices access the media at the same time, the result is a collision of the two signals?
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A collision domain
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The purpose of a network repeater is that it
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regenerates any signal received.
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What is a local area network connection dvice with two or more ports that forwards frames from one LAN segment to another?
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Bridge
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What are the four basic functions of bridge?
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Listen, learn, filter, forward
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Bidging loops are created when
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there is more than one path to the destination.
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What is used to logically eliminate loops within a network?
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Spanning Tree Algorithm
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The bridge in a network with the highest priority (the lowest number) is called the
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root
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Switching conducted at the layer 2 cetegory is based soley upon what information?
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The MAC address
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Switching conducted at the layer 3 category is based upon what information?
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the MAC and IP address
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What type of switch is limited in its applications to small workgroups where throughput is an issue but where protential network errors will not upset the network?
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Cut through
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What type of switch reads the first 64 bytes before forwarding the frame?
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Fragment free
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What is the technology called that allows NIC to determine the type of Ethernet signal transmitted by a device at the other end and adjust its speed to the highest common speed between the two devices?
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Auto negotiation
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What is a logical grouping of end stations, independent of physical location, with a common set of requirements called?
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Virtual local area network
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What is the most common method of defining Virtual local area network memebership?
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Port grouping
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At what level of the OSI model does a router work?
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Network
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What is the primary device used for connecting these networks, both within and between networks?
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Router
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The function performed by a router to move information from one router to another according to decided path determinations is
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switching (book)
routing (answer sheet) |
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What type of routing is the establishment of routes by the network administrator that changes only whne done manaually?
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Static routing
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What type of routing involves the use of routing protocols that adjust real-time to changing network circumstances?
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Dynamic routing
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In what Dynamic Routing Protocol must packets go the complete distance before discovering the destination is unreachable?
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Distance Vectoring
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What routing metric is generally based upon the bit-error rate of the link?
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Reliability
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What prevents a router from sending route information back to the router from which it came?
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Split horizons
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What acts as a translator between two workstations or networks that use different operating systems, communications protocols, and data format structures?
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Gateway
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Where is the backup copy of the Cisco Internet Operating System configuration information stored in the internetworking device?
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Nonvolatile RAM
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What are the network connections trhough which network traffic enters and exits a router called?
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Interfaces
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What prompt is displayed when in the User Exec mode on a router?
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Router>
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What prompt is displayed when in the Privileged Exec mode on a router?
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Router#
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From what level can all other command modes be accessed?
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Privileged Exec level
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From what mode is the banner motd command used in?
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Global configuration mode
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What command is used to restrict access to the Privileged Exec mode?
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Enable password
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What command interface configuration command is used to activate an interface?
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No shutdown
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To view the current configuration of a router, what command is used from privileged exec mode?
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Show running
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What command is used to change the bootup values within ROM monitor mode?
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Confreg
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What filters network traffic by controlling whether routed packets are forwarded or blocked at a router's interface?
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Access control lists
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What do all acces lists end with?
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Implicit deny
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Router access lists must be applied to
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interfaces.
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What does a standard access list use to filter packets?
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Source IP address
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What is the range of number that represents standard access lists?
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1-99
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What kind of server is set aside to perform a specific task or function all the time?
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Dedicated server
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What network type normally untilies non-dedicated servers?
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Peer-to-peer
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What is required to do the differences between the physical speed of the print device and the processing speed of the worststaion generating the print job?
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Print qeues
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What frees the computer's attention so the user can continue working while waiting for a document to print?
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Print spooling
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What type of server is a bundle of application software designed to significanlty improve netwrok efficiency and productivity?
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Network Management System
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What two type of environments are newtork operating systems implemented upon?
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Peer-to-peer and client server
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Within the Windows environment, what is the central repository for the entrie software and hardware configuration settings in a computer running the Windows based NT operating system?
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Registry
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What is a set of keys, subkeys, and values fromt he registry stored in its own file locations called?
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Hive
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Fsys in ehivh tooy-key determines which device drivers and services will load during the boot process?
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HKEY_LOCAL_MACHINE
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What is a set of statistical measurements made over a period of time that characterizes network performance?
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Baseline
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What is a detailed analysis of the performance of a specific application or a specific network element?
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Benchmark
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What network performance criteria is the most significant statistc to be collected and calculated?
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Network availability
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The measurement of traffic volume actually being carreid by the network typically expressed in kilobytes per second is
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data throughput.
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What is defined as a bundle of application software disgned to significantly improve network efficiency and productivity?
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Network management server
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What are the three most common network managment architectures?
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Centralized, hierarical, and distributed
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What network managment architecture has an NM platform on one computer system at a location that is responsible for all NM duties?
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Centralized
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What network managment architecture uses multiple systems, with one system acting as a central server and the others working as clients?
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Hierarchical
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At what level of network managment activity are you working when you, as the network manager, are moonitoring and troubleshooting components to eliminate the side-effect alarms and isolate problems to a root cause?
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Interactive
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At what level of network managment activity are you working when the automated monitoring of components provides problem analysis, giving a root cuase alarm for the problme at hand?
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Proactive
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Gathering information about current network device settings is a step of what functional network managment area?
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Configuration managment
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What are the two functional categories of performance management?
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Monitoring and tuning
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Which functional category of performance management tracks historical data by tracking activities on the network?
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Security management
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What is established to distinguish between errors that fall within a normal range and excessive errors because of a fault?
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Tolerance parameters
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network managment protocols are designed (in most cases) tp reside above what layer of the OSI model?
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Session
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What is a hierarchical, structured format that defines the network managment informaiton available from network devices?
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Management information base
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Which category of SNMP node is responsible for monitoring, collecting and reporting managment data to the managment system?
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Agent
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What SNMP operational message retrieves the value of one instance of management information?
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Get
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What type of SNMP node is responsbile for to authenticate logons for clients by validating the supplied username and password against the account in the database?
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Domain controllers
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In the event that a domain controller is no longer functioning, what action is taken to make another DC take over the responsibility?
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No action is required
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What type of network server is dedicated to an intensive application or database?
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Member server
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What protocol is used primarily to obtain connectivity to the large base of Novell NetWare clients?
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IPX/SPX
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What network protocol is used for network connection of HP network printers?
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Data link control protocol
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Why are users required to change thier passwords upon logging onto the network for the first time?
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To ensure users don't creat vulnerability by leaving the default password in place.
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For user accounts with elevated privileges, such as client support administrator, what are the correct number and type of characters needed for the account password?
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Minimum of 15 characters, 2 upper and lowercase letters, 2 numbers, and 2 special characters
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Which groups scope allows member permissions to be assigned in any domain or forest?
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Universal
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What defines the rules by which operations can be performed on a particular resource?
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Permissions
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What is used to verify the level of availablity an individual has to the resource?
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Access control list
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What file permission provides a user with the ability to change file permissions and take ownership of files on new technology file system volumes?
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Full control
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What permission always overrides all other permissions assigned to a user or group to which the user belongs?
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No access
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When a volume is formatted with new technology file system, what group is automatically assigned full control permission to the volume?
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Everyone group
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When a new folder or file is created on a new technology file system partition, what permissions are automatically assigned?
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Inherited permissions of the folder it is contained in.
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An administrator would normally allocate more file space to users maintaining what type of files?
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Databases
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What is one way to increase file server efficiency?
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Limiting the access time of typical users
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What usually has the most significance when determining the mount of space and access time users are given on a file server?
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Job position
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What two files are required for Windows operating systems to run on most client systems?
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BOOT.INI and NTDETECT.COM
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What is the name for the core set of software instructions contained in operating systems on which the higher-level functions are based?
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System kernal
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What is the first question "network experts" ask when beginning to troubleshoot a serious network problem?
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Wher is the network map?
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What is the first of sevel logical steps used to trouble shoot a network problem?
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Define the main problems
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What should yo udo after gathering all the facts about a netwrok problem?
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Consider all possible causes
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Why should only one possibility of a network problem be trouble shot at a time?
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Isolate a definite cause if the action fixes the problem
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What is one of the greatest downfalls of personnel who must work together to trouble shoot a network problem?
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Failure to accurately observe and thoroughly document the results of their individual efforts.
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What are the two basic ways netowrk faults can be detected?
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Reactively and proactively
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What are the most common, immediate, and service-affecting types of faults?
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Devices that have lost power and have broken network connections.
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Wat are th emost common, immediate, and service-affecting types of faults?
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Devices that have lost power and have broken network connections.
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What function of fault management identifies options for minimizing the effects of detected or predicted faults?
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Fault correction
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What is an indication that a noteworthy event has occurred on the network?
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Alarm
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What network managemnet system alarm browser informaiton item indicates if an alarm is related to other alarms?
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Cor
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When bits are missing in one of more octets in a frame, what type of error occurs?
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Alignment
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What function checks for damaged frames by recalculating the 32-bit cyclic redundancy check value of the received frame and comparing it to the received 32-bit CRC value in the frame check sequence field?
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MAC frame
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Within how many bytes of transmission should a NIC sense a collision and stop transmitting?
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64
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What are frames called that consist of garbled bits of data that are transmitted continuously on the network?
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Jabbers
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What is the maximum packet size (in bytes) for the IP?
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65,535
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What is the minimum packet size (in bytes) for the IP?
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28
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Over 60% of all network problems occur at what layers of the OSI model?
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Data link and Physical
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What type of network problem(s) is caused by collisions on the domain?
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High utilization or jabbers
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Ideally the average netwrok utilization value should be less than
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30%
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What type of network errors do jabbers usually cause?
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High utilizations and collisions
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What utilities are used to find the round-trip delay between a source and taget node?
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PING and TRACERT
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What diagnostics command is run exclusively on Windows based machines?
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IPCONFIG
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What IP address is used to packet internetwork groper a computer's own NIC
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127.0.0.1
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What is one of the most common types of hardware devices used for network troubleshooting?
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Loopback plug
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What are the three main components of the system management automated report tracking system?
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Domain managers, broker, and clients
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What is the centerpiece of the SMARTS application?
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Domain manager
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What component of the system management automated report tracking system application contains knowledge of available domain managers?
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Broker
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Waht color on the system managment automated report tracking system alarm log indicates one or more events?
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Purple
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How many different categories of information does the performance monitor provide you about your network?
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21
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What menu in the protocol analyzer provides information concerning the network utilization and frame errors that are related to a specific protocol?
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Protocol statistics
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What automatically runs in the background when the protocol analyzer application is activated?
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Node discovery
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What menu on the protocol analyzer provides information concerning the bandwidth utilization and the number of connections that are related to specific nodes?
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Connection statistics
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What is the process of analyzing threats against the vulnerabilities of an information system?
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Risk analysis
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In which phase of the DOD informaiton technology security certification and accreditation process is data gathered for system analysis?
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Phase 1: Definition
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What is the maximum number of automated information system iwht no changes to the baseline must be recertified or accredited?
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Three
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What is a measure used to verify eligibility of a subject and the ability of the subject to access certain information?
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Authentication
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How is a PIN categorized?
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Something you know
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What is a physical device that users carry to authenticate themselves over the Internet?
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Token
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What is a plastic/magnetic device that contains a microprocessor used to authenticate users over the Internet?
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Smart card
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What is uniquely generated to encrypt a specific message by the user?
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Session key
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What is at the very core of the Barrier Reef process?
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Base network security policy
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In what step of the Barrier Reef process do yo umap both the physical and logical topology of your network?
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Step 1: Know thyself
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In what step of the Barrier Reef process do you start a base network steering group to address base-wide network managemnet and security issues?
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Step 2: Determine requirements
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What are network attacks that bypass the firewall?
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Tunneling and application-based attacks
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What is the intrusion practice of encapsulating a message (that would be rejected by the firewall) inside a second message that will pass through the firewall?
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Tunneling
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What is the simplest and least expensive type of firewall to stop messages wiht inappropriate network addresses?
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Packet filtering
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What type of firewall is used to separate secure sites, networks, or network segments from less secure areas?
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Bastion host
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What type of firewall generates audit trails of all network-related activity for monitoring and intrusion detection purposes?
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Bastion host
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What network performs rigorous examinations of systems to identify weaknesses that might allow security violations?
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Vulnerability scanners
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What software program protects classified data by erasing it from the disk so that it is unrecoverable?
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Wipeinfo
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What is the preferred method of clearing magnetic tapes?
|
Degaussing
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What web-based process incorporates identification and evaluation of new vulnerabilities, disseminates technical responses, and tracks compliance within the DOD community?
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IAVA
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Who is the IAVA process manager?
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DISA
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Withing the DOD computer emergency response team three-tiered "vulnerability hierarchy" for notifications, what tier documents a new vulnerability that poses an immediate, potentially severe threat to DOD systems?
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Informaiton assurance vulnerability alert
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Waht standard is utilized by the defense messaging system for messagin services?
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X.400
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What standard is utilized by the Defense Messaging System for directory services?
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X.500
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What is one of the most important part of security in the DMS?
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Fortezza cards
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What is the first job the basic input output system (BIOS) does at start-up?
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Run the power-on self-test
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Which original component was very susceptible to damage from electrostatic discharge?
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CMOS
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Which component uses a lithium battery to maintain computer settings when power is removed?
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CMOS
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What is considered as a nonvolatiles permanent memory?
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ROM
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What is a form of firmware that contains the computer's startup instructions?
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BIOS
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What static RAM (SRAM) uses special applications in a CPU?
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Cache
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On MOST modern computers, which has two or three levels of memory?
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Cache
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Actively sampling the status of an external device by a client program is known as
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polling.
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What is defined as an asynchronous signal from a computer hardware device indicating the need for attention from a CPU or a synchronous event?
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Interrupt
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What Interrupt request (IRQ) line number is normally used for the floppy disk controller?
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6
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which term describes that data is whole or complete?
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Data integrity
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What is considered as a technique or method of checking data integrity?
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Parity bit
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Which is a very simple example of an error detecting code?
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Parity bit
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What component initializes communication with all hardware devices and sends a message if a keyboard or mouse is not found?
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BIOS
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What is a small, low-level program used by the computer operating system to interact with hardware devices?
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Driver
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What is the sudden momentary electric current that flows between two objects at different electrical potentials?
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Electrostatic discharge
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Static electricity remains intact until it is
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discharged.
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under what class of ESD would an item fall if it was sensitive to 900 volts
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I
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What measure would you take to prevent the build up of static electricity?
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Ground the ESDS device
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What is the first step you must take when either installing or removing an ESDS device?
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Turn the power switch to the off position.
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The process of collecting and analyzing data to determine the cause of an operational failure and how to prevent it from recurring is called
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fault isolation.
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In which troubleshooting step would you determine which conditions are present?
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Define the problem.
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In which troubleshooting step would you confirm a dilemma exists?
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Isolate the problem
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In which troubleshooting step would you identify likely causes and eliminate unlikely causes?
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Resolve the problem
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In which troubleshooting step would you review the case history and assure no steps were missed?
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Confirm the resolution
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What is NORMALLy the next step in the boot up process after initial power is applied?
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The keyboard lights should flash.
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What is NORMALLY the next sept in the boot up process after the basic input output system (BIOS) message appears on the monitor?
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A memory test should be visible on the monitor.
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Normally the last step in the boot up process is
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the OS loads into memory and user interface appears.
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what can detect if CPU hardware problem exist?
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Power-on-self-test (POST)
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When troubleshooting hardware; one simple method of identifying cables is to
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place masking tape to the cables and connection points.
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What rank must primary communications security responsible officers (CRO) hold?
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SSgt
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Who has the authority to approve waivers that are mission justified?
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COMSEC manager
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After receiving their initial educations in COMSEC account management, how often must CROs be trained to remain qualified to manage their account?
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Annually
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To ensure CROs are complying with applicable directives and accounting for the COMSEC material under their control, the COMSEC manager is required to inspect their accounts at least
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semi-annually
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Who is responsible for the production and management of cryptographic material within the US government?
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DIRSNA
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What is the classification of the combination to any security container?
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Always classified to the highest classification of material in the container.
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The operational use and control of COMSEC material is overseen and managed by
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a controlling authority.
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This COMSEC material requires the most stenuous accounting practices by usinig an accounting control number.
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ALC-1
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Whis COMSEC material is accounted for continuously by quantity
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ALC-2
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This form is considered a daily physical security inventory for your environment.
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SF701
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What form do you fill out and affix to the inside of the locking drawer when you change a safe combination?
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SF700
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At a minimum, how often do you change a cipher lock combination?
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Monthly
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What is the perferred method for listing material on the AFCOMSEC Form 16?
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Alphabetically by short title
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AFCOMSEC Form 16 inventories are retained for the current inventory plaus howmany pevious months of inventory?
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6
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if it is physically impossible to conduct an inventory of a user because of distance, the COMSEC manager
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asks the user to verify his or her holdings by letter or message.
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Who establishes the semi-annual inventory date for each COMSEC account number?
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CPSG
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The individual who is required to use and safeguard COMSEC aids while performing official duties is the
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user.
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What is the term used when referring to specific COMSEC material other than equipment?
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Aids
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Where doe sthe next unused voucer number come form that is used on transfer reports?
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COMSEC Form 14
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In which phase does the COMSEC manager determine which materials the CRO needs?
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Preparation
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In which phase does the CRO check the material issued against the list on the SF153?
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Distribution
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What should each CRO do before signing the COMSEC hand receipt?
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Ensure the required COMSEC material is listed on the SF153 and ready for issue.
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Disposition records and/or destruction reports are not required for material that has been issued to
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transient aircrews.
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What term suggests movement from one place to another by someone with an active interest in that material?
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Transport
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What is the maximum number of different actions that can be accomplished on a singled SF153?
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1
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What form is commonly used as a destruction certificate of COMSEC material?
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SF153
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In which folder of the COMSEC account 6-part folder are destruction certificates filed?
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6
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Whenever COMSEC material needs to be replaced or amended immediately, who develops the original messages for COMSEC accounts by urgent electronic message?
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CSGP
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Failure to comply with an urgent dissemination message could consitute in what kind of violation?
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Cryptographic incident
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Who is ultimately responsible for all EAPs on base?
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CM
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How long do you need to maintain the written documentation of the semiannual EAP exercises?
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24 months
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Which AF form do CMs use when conducting an inspection of a sub-COMSEC account?
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AF Form 4160
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What is the maximum time between EAP exercises at CRO accounts
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6 months
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Who is the final approval authority for a person going into TPC positions?
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The commander of the unity holding TPC material.
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What is used for the generation, management, and distribution of keying material, including programming FORTEZZA cards?
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Certification authority workstation
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Wjat os lmpwm as a state-of-the-are ground-to-ground communications infrastructure?
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TDC
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What TDC characteristic reflects module architecture which comply with established international or commercial communication standards?
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Open system standards
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What TDC characteristic required equipment setup times are kept to an absolute minimum to support transportation, deployment, and operations in a deployed environment?
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Mobility
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What TDC characteristic required equipment be capable of operation/maintenance by personnel wearing nuclear, biological, and chemical protective gear?
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Survivability
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What is known as a suite of modules and accessory kids serving as the backbone of deployed communication networks?
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ICAP
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Who provides uniterrupted flow of mission critical informaiton to field units, in-garrison units for the duration of a contingency?
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Sustained communications support teams
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Who should you notify immediately of any predeployment shortfalls?
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UDM and Commander
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What phase is concerned with exercises to ensure you are familiar with the deployment process and with your equipment?
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Predeployment.
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