Q. ICMP is primarily used for
✅ Correct Answer: (A)
error and diagnostic functions
Data Communication and Networking MCQs and Notes
Q. The network layer protocol of internet is
✅ Correct Answer: (B)
internet protocol
Q. Which one of the following algorithm is not used for congestion control?
✅ Correct Answer: (D)
none
Q. A subset of a network that includes all the routers but contains no loops is called
✅ Correct Answer: (A)
spanning tree
Q. Multi-destination routing
✅ Correct Answer: (C)
data is not sent by packets
Q. Which one of the following routing algorithm can be used for network layer design?
✅ Correct Answer: (D)
all of the above
Q. In virtual circuit network each packet contains
✅ Correct Answer: (B)
a short VC number
Q. The 4 byte IP address consists of
✅ Correct Answer: (C)
both (a) and (b)
Q. Which one of the following is not a function of network layer?
✅ Correct Answer: (D)
none of the above
Q. The sender is a router that has received a datagram destined for a host on the same network. The logical address that must be mapped to a physical address is ______.
✅ Correct Answer: (A)
the destination IP address in the datagram header