Data Communication and Networking MCQs

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Mr. Dubey • 53.05K Points
Coach

Q 91. Data unit is called a frame in

(A) Physical layer
(B) Network layer
(C) Presentation layer
(D) Data link layer

M

Mr. Dubey • 53.05K Points
Coach

Q 92. Dialog control is the function of which layer

(A) Transport
(B) Session
(C) Presentation
(D) Application

M

Mr. Dubey • 53.05K Points
Coach

Q 93. The OSI model consist of

(A) 3 layers
(B) 5 layers
(C) 7 layers
(D) 8 layers

M

Mr. Dubey • 53.05K Points
Coach

Q 94. A cable break in which topology stops all transmission

(A) Mesh
(B) Bus
(C) Star
(D) Primary

M

Mr. Dubey • 53.05K Points
Coach

Q 95. Which topology features a point to point line configuration

(A) Mesh
(B) Star
(C) Ring
(D) All of above

M

Mr. Dubey • 53.05K Points
Coach

Q 96. In a network with 25 computers, which topology would require most extensive calling

(A) Mesh
(B) Star
(C) Bus
(D) Ring

M

Mr. Dubey • 53.05K Points
Coach

Q 97. The information to be communicated in a data communication system is

(A) Medium
(B) Protocol
(C) Message
(D) Transmission

M

Mr. Dubey • 53.05K Points
Coach

Q 98. Performance of data communications depend on

(A) No. of users
(B) Transmission media
(C) H/w and S/w
(D) All of above

M

Mr. Dubey • 53.05K Points
Coach

Q 99. Rules that govern a communication exchange are

(A) Media
(B) Criteria
(C) Protocol
(D) All of above

M

Mr. Dubey • 53.05K Points
Coach

Q 100. Heart of Data Encryption Standard (DES), is the

(A) Cipher
(B) Rounds
(C) Encryption
(D) DES function

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