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140 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is OSI Layer 3?
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Network
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Between the Data-Link Layer and the Transport Layer
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At what OSI Layer does a network hub operate?
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The Physical Layer
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What is Layer 1?
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At what OSI Layer does a Network Switch function at?
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The Data-Link Layer, or Layer 2
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Older switches, not the newer Layer 3 switches
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What are the two sub-layers of the Data-Link Layer?
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LLC (Logical Link Control) & MAC (Media Access Control)
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One is the MAC sub-layer
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What is Layer 5 in the OSI Reference Model?
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Session
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Between the Transport Layer (Layer 4) and the Presentation Layer (Layer 6)
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What is Layer 6 of the OSI Reference Model
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Presentation
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Between the Session and Application Layers
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What port number is used for the SNMP protocol?
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Port 161
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SNMP is Simple Network Management Protocol
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What port number is used for TFTP?
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Port 69
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TFTP stands for Trivial File Transfer Protocol
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What port number is used for POP3?
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Port 110
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POP stands for Post Office Protocol and is used to download e-mail
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What port number is used for SMTP?
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Port 25
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SMTP stands for Simple Mail Transer Protocol
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What is Layer 4 of the OSI Reference Model?
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The Transport Layer
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Between the Network Layer and the Session Layer
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At what OSI Layer does a bridge function at?
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The Data-Link Layer, Layer 2
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Between the Physical and Network layers
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What is Layer 2 of the OSI Reference Model?
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The Data-Link Layer
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Between the Physical and Network Layers
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What is the common term for the IEEE Standard 802.5?
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Token Ring
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It's not Ethernet
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What is the maximum distance allowed for a 10BaseT Network Segment?
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100 Meters
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10Base2 is 185 Meters, 10Base5 is 500 Meters
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Which two types of Backups clear the Archive Bit?
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Full and Incremental
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Not Differential
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What is the Physical Topology of a Token Ring network?
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Star
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The LOGICAL Topology is a Ring
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What is the Logical Topology of a Token Ring network?
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Ring
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The Physical Topology is a Star
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What is the maximum length of a 10Base5 network segment?
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500 Meters
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It starts with a 5...
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What does the "T" stand for in 10BaseT?
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Twisted Pair
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It's the type of cabeling it uses...
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What does CSMA/CD stand for?
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Carrier Sense Multiple Access/Collision Detection. It is used in Ethernet network communications.
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It's not Collision Avoidance...
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What is Layer 1 of the OSI Reference Model?
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The Physical Layer
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A network hub operates at this layer...
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What does OSI stand for?
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Open System Interconnect
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As in the OSI Reference Model...
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What does CSMA/CA stand for?
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Carrier Sense Multiple Access/Collision Avoidance
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It's not Collision Detection...
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Does the IEEE standard 802.11 use CSMA/CD or CSMA/CA?
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Collision Detection Multiple Access/Collision Avoidance
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Carrier Sense Multiple Access/Collision Detection or Collision Avoidance?
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What does DES stand for?
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Data-Encryption Standard
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It has to do with Security
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What type of encryption key does DES use?
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A 56-bit encryption key
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Security question. DES stands for Data-Encryption Standard
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What is the default encryption and security system for Windows 2000?
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Kerberos
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What does NAT stand for?
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Network Addressing Translation
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Has to do with Security and Firewalls
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What does PPTP stand for?
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Point-to-Point Tunneling Protocol
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Security
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What does SSL stand for?
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Secure Sockets Layer
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Security
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Name two commonly used data encryption methods.
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DES (Data-Encryption Standard) and RSA (Rivest, Shamir, and Adleman; named after it's creators)
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Two three-letter acronyms
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What does ISDN stand for?
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Integrated Services Digital Network
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What does BRI stand for?
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Basic Rate Interface
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An ISDN term
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What does PRI stand for?
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Primary Rate Interface
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An ISDN term
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How many channels does BRI ISDN consist of?
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2 B-Channels, each with 64 Kbps, and 1 D-Channel
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BRI stands for Basic Rate Interface
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How many channels does PRI ISDN provide?
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23 B-Channels, each 64 Kbps, and 1 D-Channel
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PRI stands for Primary Rate Interface
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Which is faster, PRI ISDN or T-1?
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They are roughly equivalant
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What does SLIP stand for?
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Serial Line Internet Protocol
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Dial-up protocol
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What does PPP stand for?
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Point-to-Point Protocol
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Dial-up protocol
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What is the bandwidth of a T-1 Connection?
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1.54 Mbps
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What does ATM stand for?
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Asynchronous Transfer Mode
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WAN information
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With what do you terminate Frame Relay?
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CSU/DSU
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What does CSU/DSU stand for?
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Channel Service Unit/Data Service Unit
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Has to do with Frame Relay service
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What does OPSF stand for?
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Open Shortest Path First
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Part of the TCP/IP protocol suite
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What does RIP stand for?
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Routing Information Protocol
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Part of both the TCP/IP and IPX/SPX protocol suites
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What does POP stand for?
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Post Office Protocol
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As in POP3, part of the TCP/IP protocol suite
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What does EMI stand for?
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Electomagnetic Interference
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What does IMAP stand for?
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Internet Mail Access Protocol
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What does ICMP stand for?
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Internet Control Message Protocol
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Part of the TCP/IP protocol suite
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What does HTTP stand for?
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HyperText Transfer Protocol
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Part of the TCP/IP protocol suite
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What port does HTTP use?
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Port 80
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What does UNC stand for?
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Universal Naming Convention
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Used with NetBIOS
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What TCP/IP utility would you use to test to see if you can see another computer on the network?
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Ping
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What are the two types of Routing Tables?
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Static and Dynamic
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How are they built?
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What is Crosstalk?
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Data on 2 separate media interfering with each other.
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What are the 2 types of 802.3 cabling?
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Coaxial and Twisted Pair
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Generic, not "Cat 5" for example.
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How long can a 1000BaseLX network segment be?
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550 Meters for Multimode, 5000 Meters for Singlemode
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LX stands for Longwave Laser
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What physical topology is the easiest to expand?
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Star
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What is the 802 Ethernet standard for Gigabit?
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802.3z
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Also called 1000Basex
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What is attenuation?
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Weakening of a data signal over distance.
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What is the IEEE 802.2 standard?
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LLC (Logical Link Control)
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What does WAP stand for?
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Wireless Access Point
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Wireless technology
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What frequency does IEEE 802.11b operate at?
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2.4 GHz
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Wireless technology
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What are 4 problems with copper cable in networks?
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1. Attenuation
2. Crosstalk 3. EMI 4. Signal Tampering |
1 has to do with security, the other 3 have to do with interference
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What are the 3 types of wireless media?
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1. Radio wave
2. InfraRed 3. Microwave |
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What are the 2 types of Microwave?
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1. Terrestial
2. Satellite |
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What port does HTTPS use?
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Port 443
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HyperText Terminal Protocol Secure
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What port does FTP use?
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Port 21
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What is OSI Layer 7?
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Application
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Above the Presentation Layer
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What is the maximum distance for a 10Base2 network segment?
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185 Meters
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Can part of the network still function if there is a break in a Thinnet network?
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No
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Thinnet is 10Base2
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What type of Coaxial cable is used with 10Base5?
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RG-8
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Also known as Thicknet
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What type of media is most resistant to crosstalk and EMI?
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Fiber Optic
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What type of network does the IEEE standard 802.3 specify?
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Ethernet
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What type of network does IEEE 802.11 specify?
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Wireless
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At what OSI Reference Model Layer does a NIC operate at?
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Data-link, Layer 2
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NIC stands for Network Interface Card or Controller
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What is the primary purpose of the Network Layer of the OSI Reference Model?
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Routing
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At what OSI Layer does the Internet Protocol (IP) operate at?
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Network, Layer 3
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At what OSI Layer does the Transmission Control Protocol (TCP) operate?
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Transport, Layer 4
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What type of Routing Table is built automatically using RIP or a similar protocol?
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Dynamic
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RIP is Routing Information Protocol
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What type of connector is used for a 10BaseT network?
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RJ-45
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What type of connector is used for a telephone or MODEM?
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RJ-11
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What type of connector is used on a 10Base2 network?
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BNC
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What type of Routing Table is built manually?
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Static Routing Table
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What IEEE 802 standard defines Fast Ethernet?
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802.3u
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Fast Ethernet is also known as 100BaseT
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Describe an IPv6 address
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8 octet pairs of hexidecimal numbers, separated by colons.
i.e. 42de:75e5:21aa:cdb4:d773:cc21:554f |
IPv6 stands for IP (Internet Protocol) version 6
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What does FDDI stand for?
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Fiber Distributed Data Interface
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What type of topology offers the best fault tolerance?
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Mesh
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At what OSI Layer does UDP operate at?
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Transport, Layer 4
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UDP stands for User Datagram Protocol
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What does UDP stand for?
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User Datagram Protocol
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Is TCP a connectionless or a connection-oriented protocol?
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Connection Oriented
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Is IP a connectionless or a connection-oriented protocol?
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Connectionless
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Is UDP a connectionless or a connection-oriented protocol?
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Connectionless
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UDP stands for User Datagram Protocol
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At what OSI Layer does FTP operate at?
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Application, Layer 7
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FTP stands for File Transfer Protocol
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What does FTP stand for?
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File Transfer Protocol
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Part of the TCP/IP protocol suite
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What does DNS stand for?
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Domain Name Service
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Part of the TCP/IP protocol suite
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What port does DNS use?
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Port 53
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What method of communication does 1000BaseSX use?
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Short Wavelength Laser
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Think about Fiber Optic
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What type (Category) of cable is used for Fast Ethernet?
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Cat 5
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Fast Ethernet is also called 100BaseT
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Physical topology for Fast Ethernet?
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Star
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Also called 100BaseT
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What is the Logical Topology for Ethernet?
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Bus
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Physically, it's usually a star, except for Thinnet
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What is the physical topology for a 10Base2 network?
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Bus
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The physical and logical topology are the same for this particular type of network
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What does URL stand for?
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Uniform Resource Locator
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What does WINS stand for?
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Windows Internet Name Service
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What protocol resolves the IP address to the MAC address?
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ARP
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What does ARP stand for?
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Address Resolution Protocol
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Part of the TCP/IP Protocol suite
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What does FQDN stand for?
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Fully Qualified Domain Name
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What does NTP stand for?
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Network Time Protocol
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Part of the TCP/IP protocol suite
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What does NNTP stand for?
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Network News Transfer Protocol
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Part of the TCP/IP protocol suite
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What port does NNTP use?
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Port 119
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What port does Telnet use?
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Port 23
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What port does RIP use?
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Port 520
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RIP stands for Routing Information Protocol
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What is the IEEE 802 standard for CSMA/CD?
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802.3
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Also known as Ethernet
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What port does SSH use?
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Port 22
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SSH stands for Secure Shell Protocol
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What does SSH stand for?
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Secure Shell Protocol
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What port does IMAP4 use?
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Port 143
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IMAP stands for Internet Message Access Protocol
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What port does NTP use?
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Port 123
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NTP stands for Network Time Protocol
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What does RI and RO stand for?
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Ring In and Ring Out
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In relation to Token Ring
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What does Token Ring use instead of a hub?
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MSAU (MultiStation Access Unit)
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What does MSAU stand for?
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MultiStation Access Unit
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Sometimes it's referred to as a MAU, but it means the same thing
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What range covers the Well-Known Ports of the TCP/IP protocol suite?
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0-1023
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What range of ports are covered by what's known as the Registered Ports?
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1024 - 49151
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What range of ports are covered by what's known as Dynamic or Private Ports?
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49,152 - 65,535
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What is the range of Class A IP addresses?
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1.xxx.xxx.xxx - 126.255.255.255
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What is the IP address reserved for local loopback?
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127.0.0.1
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What is the range of Class B IP addresses?
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128.xxx.xxx.xxx - 191.255.255.255
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What is the range of Class C IP addresses?
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192.0.0.0 - 223.255.255.255
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What does IANA stand for?
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Internet Assigned Numbers Authority
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What is the private Class A IP address range?
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10.0.0.0 - 10.255.255.255
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What is the Class B private IP address range?
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172.16.0.0 - 172.31.255.255
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What is the Class C private IP address range?
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192.168.0.0 - 192.168.255.255
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What protocol resolves NetBIOS names to IP addresses?
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WINS
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What protocol resolves hostnames to IP addresses?
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DNS
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What file can be used in place of DNS?
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HOSTS
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What does ICS stand for?
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Internet Connection Sharing
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What file can be used for NetBIOS name resolutino if a WINS server isn't available?
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LMHOSTS
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What is the purpose of NAT and ICS?
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To translate private network addresses into public network addresses
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NAT stands for Network Address Translation and ICS stands for Internet Connection Sharing
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Where does the HOSTS file reside if there isn't a DNS server? On the Server or on the Workstations?
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Workstations
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What does RAS stand for?
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Remote Access Service
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