Current Affairs 2021 PDF

To crack any competitive exam like SSC, Railways, Insurance, UPSC, CLAT, Banking, State PSC Exams and other exams it is very important to answer all current affairs questions correctly. Gkseries Updates Current Affairs and Q&A packages in compiled and sorted topic wise to ensure easy accessibility of the information.

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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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