A datagram is fragmented into three smaller datagrams. Which of the following is true?

1. The offset field is the same for all three datagrams.
2. The more fragment bit is set to 0 for all three datagrams.
3. The do not fragment bit is set to 1 for all three datagrams.
4. The identification field is the same for all three datagrams.

In IPv4, what is the length of the data field given an HLEN value of 12 and total length value of 40,000?

1. 39,952
2. 39,988
3. 40,012
4. 40,048

The VPI of a UNI is bits in length

1. 8
2. 12
3. 16
4. 24

A __________ is the physical connection between an endpoint and a switch or between two switches.

1. Virtual path
2. Virtual circuit
3. Transmission path
4. None of them

A provides a connection or a set of connections between switches.

1. Virtual path
2. Virtual circuit
3. Transmission path
4. None of them

Which layer in ATM protocol has a 53-byte cell as an end product?

1. ATM
2. Physical
3. Application adaptation
4. Cell transformation

Identify the class of IP address 229.1.2.3.

1. Class B
2. Class C
3. Class A
4. Class D

On a network that uses NAT, the has a translation table.

1. Switch
2. Server
3. Router
4. None of them

A device called a(n) allows frames from an ATM network to be transmitted across a Frame Relay network.

1. LMI
2. DLCI
3. FRAD
4. VOFR

Which AAL type is designed to support a data stream that has a constant bit rate?

1. AAL1
2. AAL2
3. AAL3/4
4. AAL4

What is needed to determine the number of the last byte of a fragment?

1. Total length
2. Offset number
3. Identification number
4. (1) and (2)

If the fragment offset has a value of 100, it means that

1. The datagram is 100 bytes in size
2. The datagram has not been fragmented
3. The first byte of the datagram is byte 100
4. The first byte of the datagram is byte 800

In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400 bytes

1. 107
2. 407
3. 427
4. 428

An IPv4 address consists of _______ bits

1. 4
2. 8
3. 32
4. Any of the above

In ________, each packet of a message need not follow the same path from sender to receiver

1. Message switching
2. The virtual approach to packet switching
3. The datagram approach to packet switching
4. None of them

An HLEN value of decimal 10 means

1. There are 40 bytes of options
2. There are 10 bytes of options
3. There are 10 bytes in the header
4. There are 40 bytes in the header

A best-effort delivery service such as IP does not include

1. Error checking
2. Error correction
3. Datagram acknowledgment
4. All of the above

What is the maximum size of the data portion of the IP datagram

1. 65,460 bytes
2. 65,475 bytes
3. 65,515 bytes
4. 65,535 bytes

Identify the class of IP address 191.1.2.3

1. Class C
2. Class B
3. Class D
4. Class A

An ARP request is to

1. Unicast; all hosts
2. Unicast; one host
3. Multicast; one host
4. Broadcast; all hosts