Contents

Which of the following IP addresses can be used as
(a) loop-back addresses?

a) 0.0.0.0                                              
b) 127.0.0.1
c) 255.255.255.0
d) 255.255.255.255

b

How many versions available of IP?
a) 6 versions                        
b) 4 versions
c) 2 versions                        
d) 1 version

c

Which of the through is share the data of two computer?
a) library                                               
b) network
c) grouping                           
d) integrated system

b

In specific, if the systems use separate protocols, which one of the following devices is used to link two systems?
a) repeater                            
b) gateway
c) hub                                    
d) switch

b

How many digits of the Data Network Identification Code (DNIC) identify the country?
a) first three                        
b) first four
c) first five                            
d) first six


a

Which of the following algorithms is not used in asymmetric-key cryptography?
a) RSA algorithm
b) Hellman algorithm
c) Electronic code book algorithm
d) none of these

c