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The switching technique in which the network sets up a dedicated physical point-to-point connection is called…….
a) packet switching            
b) circuit switching
c) TCP switching 
d) none of these

b

How many lines use telephone networks for data communication?
a) two    
b) three 
c) four  
d) five


c

Explanation: Dial-up lines, Digital Subscriber line, Integrated Service Digital Network, CDMA



The technology that provides pc’s access to LAN or WAN is called………
a) dial-up networking       
b) DSL
c) ISDN                                 
d) CDMA

a

To use dial-up internet connection, client modem calls another modem located at…
a) DSL  
b) ISP    
c) CDMA
d) ISDN

b

Explanation: ISP stand for internet service provider)


In the beginning ……. was the most common form of internet access.
a) DSL  
b) ISDN
c) dial-up
d) CDMA


c

Dial-up modem supports less than … bandwidth.
a) 55 Kbps                           
b) 56Kbps
c) 57 Kbps                            
d) 58 Kbps


b