computer networks set 5 Detailed Explanation And More Example

Question : 1

An example of an analog communication method is

a) laser beam

b) microwave

c) voice grade telephone line

d) none of the above

e) all of the above

Question : 2

__ is used in operating system to separate mechanism from policy

a) Two level implementation

b) Single level implementation

c) Multi level implementation

d) All of the above

e) none of the above

Question : 3

The connection between your computer at home and your local ISP is called __________.

a) the last mile

b) the home stretch

c) the home page

d) the backbone

e) the vital mile

Question : 4

A modem is connected to

a) a telephone line

b) a keyboard

c) a printer

d) a monitor

e) a scanner

Question : 5

Which of the following performs modulation and demodulation?

a) modem

b) satellite

c) coaxial cable

d) fiber optics

e) none of the above

Question : 6

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