computer networks set 5 Detailed Explanation And More Example

Question : 1

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 : 2

Encryption and decryption are functions of

a) Transport layer

b) None of these

c) Presentation layer

d) Allot the above

e) Session layer

Question : 3

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 : 4

Which of the following types of channels moves data relatively slowly?

a) wideband channel

b) voice band channel

c) narrowband channel

d) broadband channel

e) None of these

Question : 5

DSL is an example of a(n) _____ connection.

a) network

b) wireless

c) slow

d) None of these

e) broadband

Question : 6

A term related to sending data to a satellite is

a) downlink

b) modulate

c) demodulate

d) uplink

e) inter-relate