Top 150+ Solved Data Communication and Networking MCQ Questions Answer
Q. If the sender is a host and wants to send a packet to another host on the same network, the logical address that must be mapped to a physical address is ______.
a. the destination IP address in the datagram header
b. the IP address of the router found in the routing table
c. either a or b
d. none of the above
Q. If the sender is a host and wants to send a packet to another host on another network, the logical address that must be mapped to a physical address is ______.
a. the destination IP address in the datagram header
b. the IP address of the router found in the routing table
c. either a or b
d. none of the above
Q. The sender is a router that has received a datagram destined for a host on another network. The logical address that must be mapped to a physical address is ______.
a. the destination IP address in the datagram header
b. the IP address of the router found in the routing table
c. either a or b
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 ______.
a. the destination IP address in the datagram header
b. the IP address of the router found in the routing table
c. either a or b
d. none of the above
Q. Which one of the following is not a function of network layer?
a. routing
b. inter-networking
c. congestion control
d. none of the above
Q. The 4 byte IP address consists of
a. network id
b. host id
c. both (a) and (b)
d. none of the above
Q. 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 above
Q. 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 above
Q. Multi-destination 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 above
Q. 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
Q. Which one of the following algorithm is not used for congestion control?
a. traffic aware routing
b. admission control
c. load shedding
d. none
Q. The network layer protocol of internet is
a. Ethernet
b. internet protocol
c. hypertext transfer protocol
d. none of the above
Q. ICMP is primarily used for
a. error and diagnostic functions
b. addressing
c. forwarding
d. none of the above
Q. Which of the following is a wrong example of network layer?
a. Internet Protocol (IP) - ARPANET
b. X.25 Packet Level Protocol (PLP)-ISO
c. Source routing and domain naming-USENet
d. X.25 level 2-ISO