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