Computer Networks Questions & Answers – Network Layer

1. The network layer concerns with
a) bits
b) frames
c) packets
d) none of the mentioned
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Answer: c
Explanation: None.
2. Which one of the following is not a function of network layer?
a) routing
b) inter-networking
c) congestion control
d) none of the mentioned
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Answer: d
Explanation: None.
3. The 4 byte IP address consists of
a) network address
b) host address
c) both (a) and (b)
d) none of the mentioned
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Answer: c
Explanation: None.
4. In virtual circuit network each packet contains
a) full source and destination address
b) a short VC number
c) both (a) and (b)
d) none of the mentioned
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Answer: b
Explanation: None.
5. Which one of the following routing algorithm can be used for network layer design?
a) shortest path algorithm
b) distance vector routing
c) link state routing
d) all of the mentioned
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Answer: d
Explanation: None.
6. Multidestination routing
a) is same as broadcast routing
b) contains the list of all destinations
c) data is not sent by packets
d) none of the mentioned
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Answer: c
Explanation: None.
7. A subset of a network that includes all the routers but contains no loops is called
a) spanning tree
b) spider structure
c) spider tree
d) none of the mentioned
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Answer: a
Explanation: None.
8. Which one of the following algorithm is not used for congestion control?
a) traffic aware routing
b) admission control
c) load shedding
d) none of the mentioned
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Answer: d
Explanation: None.
9. The network layer protocol of internet is
a) ethernet
b) internet protocol
c) hypertext transfer protocol
d) none of the mentioned
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Answer: b
Explanation: None.
10. ICMP is primarily used for
a) error and diagnostic functions
b) addressing
c) forwarding
d) none of the mentioned
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Answer: a
Explanation: None.