computer networks Practice Questions Answers Test with Solutions & More Shortcuts

Question : 31

Which of the following is not a transmission medium?

a) telephone lines

b) modem

c) coaxial cables

d) microwave systems

Question : 32 [SBI Clerk, 2011]

A device that connects to a network without the use of cables is said to be

a) distributed

b) centralised

c) open source

d) wireless

e) None of these

Question : 33

A proxy server is used for which of the following ?

a) To provide security against unauthorized users

b) To provide TCP/IP

c) To process client requests for database access

d) To process client requests for Web pages

e) None of these

Question : 34

Layer one of the OSI model is

a) transport layer

b) link layer

c) physical layer

d) network layer

e) none of above .

Question : 35

In communication satellite, multiple repeaters are known as

a) detector

b) modulator

c) transponders

d) stations

e) none of the above