Computer Science Mock Test UGC-NET (Paper ii & iii- Computer Networks) - Part 18

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. 
    Which of the following commands sets the secret password to Cisco?
   
   
   
   
   1.  enable password Cisco
   
   
   2.  enable secret password Cisco 
   
   
   3.  enable secret Cisco
   
   
   4.  enable secret cisco 
   
   
   
   
   
   
   
   
   


2. 
   If you delete the contents of NVRAM and reboot the router, what mode will you be in?
   
   
   
   
   1.  NVRAM loaded mode
   
   
   2.  Global mode
   
   
   3.  Privileged mode
   
   
   4.  Setup mode
   
   
   
   
   
   
   
   
   


3. 
   FTP server listens to connections on port _____________.
   
   
   
   
   1.  20 and 21
   
   
   2.  21 and 22
   
   
   3.  18 and 19
   
   
   4.  19 and 20
   
   
   
   
   
   
   
   
   


4. 
   How many digits of the DNIC (Data Network Identification Code) identify the country?
   
   
   
   
   1.  first four
   
   
   2.  first six
   
   
   3.  first two
   
   
   4.  first three
   
   
   
   
   
   
   
   
   


5. 
   Protocols are ___________.
   
   
   
   
   1.  Logical communication channels for transferring data
   
   
   2.  Physical communication channels sued for transferring data
   
   
   3. Both a & b
   
   
   4.  Agreements on how communication components and DTE's are to communicate
   
   
   
   
   
   
   
   
   


6. 
   Another name for Usenet is ___________.
   
   
   
   
   1.  Browser
   
   
   2.  Newsgroups
   
   
   3.  CERN
   
   
   4.  Gopher 
   
   
   
   
   
   
   
   
   


7. 
   The data unit in the TCP/IP data link layer called a _________.
   
   
   
   
   1.  Frame
   
   
   2.  Message  
   
   
   3.  Datagram 
   
   
   4.  Segment
   
   
   
   
   
   
   
   
   


8. 
   What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down."
   
   
   
   
   1.  Data Link layer
   
   
   2.  Network layer
   
   
   3.  Transport Layer
   
   
   4.  Physical layer
   
   
   
   
   
   
   
   
   


9. 
   Which of the following is used for modulation and demodulation?
   
   
   
   
   1.  multiplexer
   
   
   2.  gateway
   
   
   3.  modem
   
   
   4.  protocols
   
   
   
   
   
   
   
   
   


10. 
    In communication satellite, multiple repeaters are known as ________________.
    
    
    
    
    1.  Detectors
    
    
    2.  Stations
    
    
    3.  Modulators
    
    
    4.  Transponders
    
    
    
    
    
    
    
    
    











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