Computer Science Mock Test UGC-NET (Paper II & III- Computer Networks) - Part 22

This Quiz is posted with the sole aim of guiding the aspirants of UGC-NET / CSIR -NET Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career in Teaching (or) Research Profession . All the very best...... Knock the door of success......

1. 
    The _________layer is responsible for the delivery of a message from one process to another.
   
   
   
   
   1.  Session
   
   
   2.  Network
   
   
   3.  Transport
   
   
   4.  Physical
   
   
   
   
   
   
   
   
   


2. 
   In Ethernet when Manchester encoding is used, the bit rate is _________.
   
   
   
   
   1.  Twice the baud rate
   
   
   2.  Same as the baud rate
   
   
   3.  Trice the baud rate
   
   
   4.  Half the baud rate
   
   
   
   
   
   
   
   
   


3. 
   In OSI network architecture, the dialogue control and token management are responsibilities of __________.
   
   
   
   
   1.  Session Layer 
   
   
   2.  Data link layer 
   
   
   3.  Transport layer
   
   
   4.  Network layer
   
   
   
   
   
   
   
   
   


4. 
    When a packet with the code is transmitted, it is received and processed by every machine on the network. This mode of operation is called _______ .
   
   
   
   
   1.  Point-to-point
   
   
   2.  Unicasting
   
   
   3.  Multi-casting 
   
   
   4.  Broadcasting
   
   
   
   
   
   
   
   
   


5. 
   A collection of interconnected networks is called as ________ .
   
   
   
   
   1.  Intranet 
   
   
   2.  Internet
   
   
   3.  Topology
   
   
   4.  Interface
   
   
   
   
   
   
   
   
   


6. 
   If a class B network on the Internet has a subnet mask of 255.255.248.0, what is the maximum number of hosts per subnet?
   
   
   
   
   1.  1033
   
   
   2.  2046
   
   
   3.  2065
   
   
   4.  1024
   
   
   
   
   
   
   
   
   


7. 
   A _______ is a set of information that is exchanged between a client and web browser and a web server during an HTTP transaction.
   
   
   
   
   1.  cookie
   
   
   2.  transkie
   
   
   3.  infoset 
   
   
   4.  clientinfo
   
   
   
   
   
   
   
   
   


8. 
   Let G(x) be the generator polynomial used for CRC checking. What is the condition that should be satisfied by G(x) to detect odd number of bits in error?
   
   
   
   
   1.  G(x) has an odd number of terms
   
   
   2.  G(x) does not divide 1+x^k, for any k not exceeding the frame length
   
   
   3.  G(x) contains more than two terms
   
   
   4.  1+x is a factor of G(x)
   
   
   
   
   
   
   
   
   


9. 
   The X.25 standards specifies a _________.
   
   
   
   
   1.  DTE/DCE interface 
   
   
   2.  data bit rate 
   
   
   3.  technique for start-stop data 
   
   
   4.  technique for dial access
   
   
   
   
   
   
   
   
   


10. 
    _______ was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network.
    
    
    
    
    1.  Mesh LAN
    
    
    2.  Star LAN
    
    
    3.  Ring LAN
    
    
    4.  Bus LAN
    
    
    
    
    
    
    
    
    

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