computer networks set 3 Detailed Explanation And More Example

Question : 1

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

a) narrow band channel

b) voice band channel

c) wide band channel

d) side band channel

Question : 2

Bluetooth is an example of __________.

a) Personal area network

b) Local area network

c) Virtual private network

d) Wide area network

e) None of these

Question : 3

To connect networks of similar protocols ______ are used

a) Routers

b) Bridges

c) Gateways

d) Dial-up routers

e) None of these

Question : 4

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 : 5

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