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49 Cards in this Set
- Front
- Back
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Permanently assigning an IP address is referred to as:_________
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static IP
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Which of the following is the default subnet mask for a Class A IP address:____
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255.0.0.0
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Which protocol is used to map IP address to physical MAC address?
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ARP
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How many bits is an IPv4 address:______________
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32
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Which protocol is used to map physical MAC address to IP address?
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RARP
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The protocol data unit used by the network layer is called a _____
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Packet
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Which of the following is an example of a Class C IP address :____
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192.169.20.1
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Which of the following is an example of a Class B IP address :____
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176.150.20.1
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Layer 3 devices differ from the layer 2 devices in that the layer 3 device can____[choose all that apply]
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Filter packets based on an IP address
Filter packets based on protocol |
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The IP protocol operates at which layer of the OSI model?_____
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Network
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Which of the following is not a function of the network layer?[choose all that apply] ___
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Establish and maintain a communication session
Maintaining proper voltages on the wire |
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You ISP assigned you a block of Class A address to use on your network. Which of the following might possibly be one of those addresses? Ignore the fact that most of these addresses are already taken. [choose all that apply]
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116.25.43.7
26.56.78.109 |
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Class D addresses are used for what purpose?__________
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Multicast address
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The IPX/SPX protocol derives its host address from:________
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The MAC address of the interface
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How many bits is an IPv6 address:______________
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128
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Which of the following is the default subnet mask for a Class B IP address:____
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255.255.0.0
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Which of the following is the default subnet mask for a Class C IP address:____
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255.255.255.0
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The collection of eight bit sets that make up a typical IPv4 address is called a/an:_______
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octet
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What is the maximum number of hosts in a Class B network that has not been subnetted?
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65,534
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Which of the following is an example of a Class A IP address :____
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10.145.20.1
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A JPEG file is an example of_______
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lossy compression
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The session layer is responsible for______
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Providing dialogue management and synchronization
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What event leads to an unexpected disconnect?
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a system crash
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The process of assuring that the communication devices are capable of sending and receiving at the same speed is referred to as:_________
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flow control
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A session, by definition, consist of a series of__________
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Activities
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If the transmitting device does not receive an ACK it will automatically resend that frame, based on: _________
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time to live
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The process two devices go through in order to agree on protocol, connection speed, etc., is referred to as: __________
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handshake
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Which of the following protocols is connection oriented?
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TCP
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The actual type of data that is moved or stored is referred to as:_________
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abstract syntax
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The process of breaking data down into smaller pieces and then adding information from other layers before sending over the wire is _________
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encapsulation
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A flow control method that only retransmits bad packets is referred to as:_____
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selectively repeat
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What is the direction of travel in a full duplex data communication device?
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both directions at the same time
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Which of the networking protocol does not make very much use of Connection ID?_____
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TCP/IP
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When a user chooses to send a file over the network to another device, it is the responsibility of the_________layer to determine whether or not compression is used?
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Presentation
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A port number is_____
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A logical address of a process or application
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A flow control method that allows a fix number of packets to be sent, then waits for ACKs from each of those packets before sending the next group of packets is referred to as:_______
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static window
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In a half-duplex session, communications are controlled by the exchange of______
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Tokens
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User information such as user ID and password that permit access to networks resources is referred to as: _________
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credentials
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The form the data will assume as it moves over the wire is referred to as:
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transfer syntax
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The complete set of syntaxes used in the transfer of data is referred to as:
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presentation context
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Which of the following is not a responsibility of the Transport layer ?
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Physical addressing
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Which of the following Session Layer activities will result in a new Connection ID and acknowledgment numbering sequence?
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Synchronize major
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A logical address added to each segment of data transmitted that indicates what application or protocol is expecting the data is referred to as:_________
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port
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The purpose of checkpoints is to _________
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allow the retransmission of data to resume where it left off
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A sequence of numbers, beginning with a randomly generated number, that identifies each packet in a transmission and the order in which it goes is called: ______
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acknowledgement number
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Which of the following is the most secure form of encryption mentioned by our author_________
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data encryption standard
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What is the general name for a flow control method that allows for several frames to be transmitted before an ACK is required___________
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sliding window
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The form of flow control that can adjust the number of packets transmitted before the ACKs must begin to flow is called ________
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Sliding window
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FTP uses port_____
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21
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