computer networks set 4 Detailed Explanation And More Example

Question : 1

What is the minimum number of wires needed to send data over a serial communication link layer?

a) 2

b) 1

c) 4

d) 6

e) none of above

Question : 2

Computer connected to a LAN {Local Area Network) can

a) share information and/or share peripheral equipment

b) go on line

c) run faster

d) E-mail

e) None of these

Question : 3

Which of the following is considered a broad band communication channel?

a) coaxial cable

b) fiber optics cable

c) all of above

d) microwave circuits

Question : 4

Which of the following communication modes support -two-way traffic but in only one direction at a time?

a) half duplex

b) simplex

c) three-quarters duplex

d) all of the above

e) none of the above

Question : 5

Which of the following statement is correct?

a) terminal section of a synchronous modem contains the scrambler

b) transmission section of a synchronous modern contains the scrambler

c) receiver section of a synchronous modem contains the scrambler

d) control section of a synchronous modem contains the scrambler

e) none of the above

Question : 6

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

a) distributed

b) free

c) centralized

d) open source

e) None of these