TRB Computer Instructor Online Test - 2

Question: 6

Hubs are present in the network

(A) To interconnect the LANs

(B) To interconnect the WANs with WANs

(C) To interconnect the LAN with WANs

(D) to diagnose line failure, measure and manage traffic flow and simply reconfiguring of LANS

Ans: C

To interconnect the LAN with WANs

Question: 7

A firewall is

(A) A predefined encryption key used to encrypt and decrypt data transmissions

(B) A virus that infects macros

(C) Software or hardware used to isolate a private network from a public network

(D) An established network performance reference point

Ans: C

Software or hardware used to isolate a private network from a public network

Question: 8

The monitor of a computer is connected to it by a

(A) Line driver

(B) Bus

(C) Cable

(D) Wire

Ans: C

Cable

Question: 9

Reel-to-teel tape drives are commonly used with

(A) Laptop computer

(B) Mainframe computers

(C) Microcomputers

(D) Minicomputers

Ans: B

Mainframe computers

Question: 10

What is an exception condition in a computer system caused by an event external to the CPU?

(A) Process

(B) Wait

(C) Halt

(D) Interrupt

Ans: D

Interrupt

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