Search your Topic HERE....

February 13, 2015

IBPS IT Officers Professional Knowledge Quiz - Set 8


sponsored links

  1. A distributed network configuration in which all data / information pass through a central computer is ?
    1. bus network 
    2. star network 
    3. ring network 
    4. point - to - point network
    5. none of these
  2. In a synchronous modem, the receive equalizer is known as ?
    1. adaptive equalizer 
    2. impariment equalizer 
    3. statistical equalizer 
    4. compromise equalizer 
    5. none of these
  3. Communication circuits that transmit data in both directions but not at the same time are operating in 
    1. a simplex mode
    2. a half duplex mode 
    3. a full duplex mode 
    4. an asynchronous mode 
    5. none of these
  4. While transmitting odd-parity coded symbols, the number of zeros in each symbol is ?
    1. odd
    2. even 
    3. 1 and 2 both 
    4. unknown 
    5. none of these
  5. What is the minimum number of wires needed to send data over a serial communication link layer ?
    1. 1
    2. 2
    3. 4
    4. 6
    5. none of these
  6.  A communication device that combines transmissions from several I/O devices into one line is a ______________
    1. concentrator 
    2. modifier 
    3. multiplexer 
    4. full-duplex line
    5. none of these
  7. How much power (roughly) a light emitting diode can couple into an optical fiber ?
    1. 100 microwatts 
    2. 440 microwatts
    3. 100 picowatts
    4. 10 miliwatts
    5. none of these
  8. The synchronous modems are more costly than the asynchronous modems because 
    1. they produce large volume of data 
    2. they contain clock recovery circuits 
    3. they transmit the data with stop and start bits 
    4. they operate with a larger bandwidth 
    5. none of these
  9. Which of the following statements is correct ?
    1. terminal section of a synchronous modem contains the scrambler 
    2. receiver section of a synchronous modem contains the scrambler 
    3. transmission section of a synchronous modem contains the scrambler 
    4. control section of a synchronous modem contains the scrambler 
    5. none of these
  10. In a synchronous modem, the digital-to-analog converter transmits signals to the
    1. equalizer
    2. modulator
    3. demodulator
    4. terminal
    5. none of these
  11. Which of the following communication lines is best suited to interactive processing applications ?
    1. narrow band channel 
    2. simplex lines
    3. full duplex lines
    4. mixed band channels 
    5. none of these
  12. In OSI network architecture, the dialogue control and token management are responsibility of 
    1. session layer 
    2. network layer 
    3. transport layer 
    4. data link layer 
    5. none of these
  13. In OSI network architecture, the routing is performed by 
    1. network layer 
    2. data link layer 
    3. transport layer 
    4. session layer 
    5. none of these
  14. How many OSI layers are covered in the X.25 standard ?
    1. Two
    2. Three
    3. Seven
    4. Six 
    5. none of these
  15. Which of the following might be used by a company to satisfy its growing communications needs ?   
    1. front end processor
    2. multiplexer 
    3. controller 
    4. concentrator
    5. none of these
  16. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard ?
    1. 4
    2. 2
    3. 3
    4. 6
    5. none of these
  17. 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 ?
  18. What is the default subnet mask for a class C network ?
    5. none of these
  19. Which of the following technique is used for fragment ?
    1. a technique used in best - effort delivery systems to avoid endlessly looping packets
    2. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
    3. one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size 
    4. all of these
    5. none of these
  20. What part of is the Network ID, assuming a default subnet mask ?
    1. 192
    2. 192.168.10
    4. 51
    5. none of these

sponsored links


  1. Please provide some marketing set...

  2. Friends is there any one writing sbi associates clerk exam on February 21..please tell upto which date I need study current affairs. No updates from the one who wrote the exam on last three weeks.. Please give any update

  3. no exam last three current affairs upto 10 february

  4. Why there is no exam last three weeks

  5. Great collection of question!!!Get more questions and details from here:


  7. Check dis link

  8. waooooooo...thanks a lot :)

  9. IT Notes Part-1

    Normal Forms
    1NF-atomic values
    2NF-No Partial Dependency
    3NF-No transitive Dependency
    4NF-No multi value Dependency
    5NF-No cycle(join)Dependency

    Terms and Symbols

    Weak Entity—Double Rectangle


    Heirarchical model—Tree like structure-top to bottom relationship
    Network Model –Graphs
    Relational Model-Two dimensional Relations
    Different names for same term


    Generalization—bottom up approach
    Specialization—top down approach
    Normalization—Bottom up approach
    ER Modeling –Top down Approach

  10. my SO is tmrw.... pray 4 me frndz....

  11. Hi Respected all Sir and Madam can we get HRM capsule for IBPS SO 2015


Related Posts Plugin for WordPress, Blogger...