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1. ARP [2] Which of the following is/are true: An ARP message, ?? a. is encapsul

ID: 643782 • Letter: 1

Question

1. ARP [2]

Which of the following is/are true:

An ARP message,

?? a. is encapsulated in an IP-datagram

?? b. has its own Ethernet frame type

?? c. is sent in order to find the MAC address given a IP address

?? d. is sent in order to find the IP address given a MAC address

2. IP addressing [2]

Which of the following is/are true:

?? b. 127.0.0.1 is a valid source address

?? c. 255.255.255.255 is a valid destination address

3. IP [3]

Which of the following fields belong to the IP header:

?? a. complete datagram checksum

?? b. time-to-live

?? c. acknowledgement

?? d. destination port

?? e. source IP-address

?? f. protocol field

4. IP routing [3]

Which of the following is/are true:

?? a. RIP is a link state protocol

?? b. OSPF gives all routers the same knowledge

?? c. RIP uses TCP to communicate between routers

?? d. BGP is an exterior gateway protocol

?? e. RIP can use various metrics to measure distance

?? f. OSPF is an exterior gateway protocol

Explanation / Answer

1. a

2. b

3. b e f

4. a b e