Top 1000+ Solved Computer Networks MCQ Questions Answer
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 mentioned
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 mentioned
Q. 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
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 of the mentioned
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 of the mentioned
Q. The network layer protocol of internet is
a. ethernet
b. internet protocol
c. hypertext transfer protocol
d. none of the mentioned
Q. ICMP is primarily used for
a. error and diagnostic functions
b. addressing
c. forwarding
d. none of the mentioned
Q. Transport layer aggregates data from different applications into a single stream before passing it to
a. network layer
b. data link layer
c. application layer
d. physical layer
Q. ESP does not provide ________
a. source authentication
b. data integrity
c. privacy
d. error control
Q. Two broad categories of congestion control are
a. open-loop and closed-loop
b. open-control and closed-control
c. active control and passive control
d. active loop and passive loop
Q. In open-loop control, policies are applied to __________
a. remove after congestion occurs
b. remove after sometime
c. prevent before congestion occurs
d. prevent before sending packets
Q. Retransmission of packets must not be done when _______
a. packet is lost
b. packet is corrupted
c. packet is needed
d. packet is error-free
Q. Closed-Loop control mechanisms try to _________
a. remove after congestion occurs
b. remove after sometime
c. prevent before congestion occurs
d. prevent before sending packets
Q. Backpressure technique can be applied only to _______
a. congestion networks
b. closed circuit networks
c. open circuit networks
d. virtual circuit networks