computer networks set 2 Detailed Explanation And More Example

Question : 1

The method of Internet access that requires a phone line, but offers faster access speeds than dial-up is the _____ connection.

a) cable access

b) satellite access

c) fiber-optic service

d) Digital Subscriber Line (DSL)

e) modem

Question : 2

Avalanche photodiode receivers can detect bits of transmitted data by receiving

a) 200 photons

b) 100 photons

c) 2000 photons

d) 300 photons'

e) none of the above

Question : 3

A popular way to learn about computers without ever going to a classroom is called __________.

a) i-learning

b) isolated learning

c) e-learning

d) close learning

e) distance learning

Question : 4

The ability to easily add additional users means that a net work is

a) secure

b) dedicated

c) decentralized

d) scalable

e) None of these

Question : 5

Office LANs that are spread geographically apart on a large scale can be connected using a corporate ——

a) CAN

b) WAN

c) DAN

d) LAN

e) TAN

Question : 6

Which Is the layer of a computer system between the hardware and the user program

a) Operating environment

b) System environment

c) Operating system

d) All the above

e) none of the above