Top 150+ Solved Data Communication and Networking MCQ Questions Answer

From 76 to 90 of 179

Q. The _____of errors is more difficult than the ______.

a. correction; detection

b. detection; correction

c. creation; correction

d. creation; detection

  • a. correction; detection

Q. In modulo-11 arithmetic, we use only the integers in the range ______, inclusive.

a. 1 to 10

b. 1 to 11

c. 0 to 10

d. none of the above

  • c. 0 to 10

Q. In modulo-2 arithmetic, we use only ______.

a. 1 and 2

b. 0 and 2

c. 0 and 1

d. none of the above

  • c. 0 and 1

Q. Layer 2 from bottom in TCP/IP is the ___________.

a. Physical layer

b. Application layer

c. Transport layer

d. Internet layer

  • d. Internet layer

Q. IP address___________ the physical address.

a. is the same as

b. has no relation with

c. means

d. none

  • b. has no relation with

Q. IP makes a __________ of datagram delivery.

a. worst effort

b. guaranteed delivery

c. best effort

d. all of the above

  • c. best effort

Q. The _________ for all computers on the same physical network is the same.

a. host id

b. physical address

c. IP address

d. n/w-id

  • d. n/w-id

Q. In _______ forwarding, the mask and destination addresses are both 0.0.0.0 in the routing table.

a. next-hop

b. network-specific

c. host-specific

d. default

  • d. default

Q. In _______ forwarding, the destination address is a network address in the routing table.

a. next-hop

b. network-specific

c. host-specific

d. default

  • b. network-specific

Q. The idea of address aggregation was designed to alleviate the increase in routing tableentries when using ________.

a. classful addressing

b. classless addressing

c. both a and b

d. none of the above

  • b. classless addressing

Q. The principle of ________ states that the routing table is sorted from the longest mask tothe shortest mask.

a. first mask matching

b. shortest mask matching

c. longest mask matching

d. none of the above

  • c. longest mask matching

Q. The use of hierarchy in routing tables can ________ the size of the routing tables.

a. reduce

b. increase

c. both a and b

d. none of the above

  • a. reduce

Q. An ARP reply is normally _______.

a. broadcast

b. multicast

c. unicast

d. none of the above

  • c. unicast
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