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...is/are a collection of point-to-point links.
a) LAN                                   

b) WAN
c) MAN                                  

d) ring topologies

d

Communication between computer and keyboard involve.
a) simple                                              

b) full-duplex
c) half-duplex                                      

d) none of these

a

The …. is/are the physical path over message travels.
a) protocol                                           

b) medium
c) signal                                

d) all of these

b

Frequency of failure and network recovery time after a failure are measures of the……of a network.
a) performance                   

b) security
c) reliability                                        

d) feasibility

c

An unauthorized user is a network …… issue.
a) performance                   

b) reliability
c) security                                            

d) none of these

c

A television broadcast is an example of ……. transmission.
a) simple                                              

b) half-duplex
c) full-duplex                                       

d) none of these

a