Data Link Protocol - Multiple choice questions and answers

(11) Which of the following encoding scheme is used by the physical layer of FDDI ?

[A] 3 out of 4

[B] 4 out of 5

[C] 5 out of 6

[D] None of the above

Answer: Option [B]

(12) If the ________ bit in X.25 standard is set to 1, it means that there is more than one packet.

[A] Q

[B] D

[C] M

[D] P

Answer: Option [C]

(13) What is the measure (unit) used to represent signaling rate per second

[A] Baud

[B] Hz

[C] Bps

[D] None of these

Answer: Option [A]

(14) Frame format of CSMA/CD and Ethernet protocol differ in the block.

[A] Error Control

[B] Control block

[C] PAD

[D] None of the above

Answer: Option [D]

Frame format of CSMA/CD and Ethernet protocol differ in the size of preamble and address blocks.

(15) The device operation at Data Link layer is

[A] Repeater

[B] Router

[C] Bridge

[D] None of the above

Answer: Option [C]

Data Link Protocol - Multiple Choice Questions and Answers | Page-3