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

Questions
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]

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