7000+ Computer MCQ Pdf Download - 1

Question: 1

In OSI network architecture, the routing is performed by

(A) Session layer

(B) Transport layer

(C) Data link layer

(D) Network layer

Question: 2

Multiple repeaters in communication satellites are called

(A) Stations

(B) Transponders

(C) Modulator

(D) Detector

Question: 3

Which of the following types of channels move data relatively slowly?

(A) Narrow band channel

(B) Broad band channel

(C) Voice band channel

(D) Wide band channel

Question: 4

A communication device that combines transmissions from several I/O devices into one line is

(A) Multiplexer

(B) Modifier

(C) Full duplex line

(D) Concentrator

Question: 5

RS-232, RS-449, RS-530, V-24 and X-21 are examples of

(A) Standards for end-to-end performance of data communication systems

(B) Two methods of error detection and correction

(C) Standards for various types of transmission channels

(D) Standards for interfaces between terminals and modems