". VdoTips: Networking Multiple Choice Questions and Answers

APPLY LATEST GOVT JOBS

hi

Networking Multiple Choice Questions and Answers

86. How many OSI layers are covered in the X.25 standard?
(A)3
(B)2
(C)7
(D)6

87. The third layer of OSI model is _____
(A)physical layer.
(B)data link layer.
(C)network layer.
(D)transport layer.

88. The X.25 standard specifies a _________
(A)technique for start stop data.
(B)technique for dial access.
(C)DTE/DCE interface.
(D)data bit rate.

89. Which of the following signals is not standard RS-232-C signal?
(A)VDR.
(B)CTS.
(C)RTS.
(D)DSR.

90. What is the minimum number of wires needed to send data over a serial communication link layer?
(A)1
(B)2
(C)4
(D)6