Tuesday, September 12, 2017

Computer Science Mock Test UGC-NET (Paper ii & iii- Computer Networks) - Part 20

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.  You have a class A network address with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

  2.  Which of the following operations can be performed by using FTP.
    i) Connect to a remote host
    ii) Select directory 
    iii) Define the transfer mode
    iv) List file available
    1.  i, and ii only
    2.  ii, iii and iv only
    3.  i, ii and iii only
    4.  All i, ii, iii and iv 

  3. _________ is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable.
    1.  100 BASE-T
    2.  100 BASE-T2
    3.  100 BASE-TX
    4.  100 BASE-T4

  4. In FDDI, data normally travel on ______.
    1.  The Secondary ring
    2.  The Temporary ring
    3.  The Virtual ring
    4.  The primary ring 

  5. Which of the following is not a disadvantage of wireless LAN?
    1.  higher error rate
    2.  interference of transmissions from different computers
    3.  Slower data transmission
    4.  All of the above

  6. Which of the following system calls results in the sending of SYN packets?
    1.  bind
    2.  socket
    3.  listen
    4.  connect

  7. In the slow start phase of the TCP congestion control algorithm, the size of the congestion window________.
    1.  increases exponentially
    2.  does not increase
    3.  increases quadratically
    4.  increases linearly 

  8. Network of networks is known as _______ .
    1.  Intranet
    2.  Subnet
    3.  WAN
    4.  Internet

  9. The entities comprising the corresponding layers on different machine are called _______ .
    1.  Flow control
    2.  Interface 
    3.  Peers
    4.  Protocol

  10. The data link layer takes the packet it gets from the network layer and encapsulates them into _________.
    1.  Trailer
    2.  Packet
    3.  Frames
    4.  Cells