computer networks Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

An example of a medium speed, switched communications service is

a) series 1000

b) data phone 50

c) All of the above

d) ODD

e) none of the above

Question : 12

Encryption and decryption are functions of

a) Transport layer

b) None of these

c) Presentation layer

d) Allot the above

e) Session layer

Question : 13

Computers connected to a LAN (Local Area Network) can __________.

a) run faster

b) go on line

c) share information and/or share peripheral equipment

d) E-mail

e) None of these

Question : 14

An example of a telecommunications device is a

a) keyboard

b) mouse

c) printer

d) modem

e) None of these

Question : 15

For separating channels in FDM, it is necessary to use

a) Differentiation

b) Band pass filters

c) Time slots

d) All of the above

e) None of these