Internet and Secuirty Online Test - 2

Question: 6

What is a Firewall in Computer Network?

(A) A web browsing software

(B) The physical boundary of Network

(C) An OS of computer Network

(D) A system designed to prevent unauthorized access

Ans: D

A system designed to prevent unauthorized access

Question: 7

What type of control pins is needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

(A) Interrupts

(B) Bus arbitration

(C) Bus control

(D) Status

Ans: B

Bus arbitration

Question: 8

An example of a telecommunications device is a

(A) Modem

(B) Mouse

(C) Printer

(D) Keyboard

Ans: A

Modem

Question: 9

An uniform interval of CPU time allocated for use in performing a task is known as

(A) Seek time

(B) Down time

(C) Time slice

(D) Real time

Ans: C

Time slice

Question: 10

The bit synchronization method in which transmitters send a single start bit before transmitting data and receivers use an internal hardware clock to know how frequently to measure the signal, is called

(A) Isochronous

(B) Time division

(C) Synchronous

(D) Asynchronous

Ans: D

Asynchronous

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