IBPS - SO - IT - 2016 - 2017 - Networking Question solve

• Host 1 sent a SYN packet to Host 2. What will host 2 send in response?
  • A. 
    A.ACK
  • B. 
    NAK
  • C. 
    SYN-ACK
  • D. 
    SYN-NAK
  • E. 
    SYN
• 2. 
  TCP and UDP reside at which layer of the OSI model?
  • A. 
    1
  • B. 
    2
  • C. 
    3
  • D. 
    4
• 3. 
  Which layer of the OSI model provides a user interface in the form on an entery point for programs to access the network infrastructure?
  • A. 
    Application
  • B. 
    Transport
  • C. 
    Network
  • D. 
    Physical
• 4. 
  You are connected to a server on the Internet and you click on alink on the server and receive a time-out message. What later could the cause of this message?
  • A. 
    Application
  • B. 
    Transport
  • C. 
    Network
  • D. 
    Physical
• 5. 
  Which layer of the OSI model is responsible for code and character-set conversion as well as recognizing data formats?
  • A. 
    Application
  • B. 
    Presentation
  • C. 
    Session
  • D. 
    Network
• 6. 
  At which layers of the OSI model do bridges, hubs, and routers primarily operate, respectively?
  • A. 
    Physical, Physical, Data link
  • B. 
    Data link, Data Link, Network
  • C. 
    Data Link, Physical, Network
  • D. 
    Physical, Data Link, Network
• 7. 
  Which layer of the OSI model is responsible for converting data into signals appropriate for the trasmission medium?
  • A. 
    Application
  • B. 
    Network
  • C. 
    Data Link
  • D. 
    Physical
• 8. 
  A recieving host has failed to recieve all the segments that it should acknowledge, What can the host do to improve the reliability of this communication session?
  • A. 
    Send a different source port number.
  • B. 
    Restart the virtual circuit
  • C. 
    Decrease the sequence number.
  • D. 
    Decrease the window size
• 9. 
  When data is encapsuslated, which is the correct order?
  • A. 
    Data, frame, packet, segment, bits
  • B. 
    Segment, data, packet, frame, bits
  • C. 
    Data, segment, packet, frame, bits
  • D. 
    Data, segment, frame, packet, bits
• 10. 
  Acknowledgements, sequencing, and flow control are characteristics of which OSI model?
  • A. 
    Layer 2
  • B. 
    Layer 3
  • C. 
    Layer 4
  • D. 
    Layer 7
• 11. 
  Which of the following are types of flow control?
  • A. 
    Buffering
  • B. 
    Cut-through
  • C. 
    Windowing
  • D. 
    Congestion avoidance
  • E. 
    VLANs
• 12. 
  What is the purpose of flow control?
  • A. 
    To ensure that data is retransmitted if an acknowledgement is not received
  • B. 
    To reassemble segments in the correct order at the destination device
  • C. 
    To provide a means for the receiver to govern the amount of data sent by the sender
  • D. 
    To regulate the size of each segment
• 13. 
  At which layer of the OSI model would you find IP?
  • A. 
    Transport
  • B. 
    Network
  • C. 
    Data link
  • D. 
    Physcial
• 14. 
  Of the following, which the highest layer in the OSI model?
  • A. 
    Transport
  • B. 
    Session
  • C. 
    Network
  • D. 
    Presentation
• 15. 
  Routers perform routing at which OSI layer?
  • A. 
    Physical
  • B. 
    Data Link
  • C. 
    Network
  • D. 
    Transport
  • E. 
    Application
• 16. 
  Which of the following mnemonic devices can you use to remember the first letter of the name of each layer of the OSI model in the proper order?
  • A. 
    All People Seem to Need Processed Data
  • B. 
    Always Should People Never Threaten Dog Police
  • C. 
    Please Do Not Throw Sausage Pizza Away
  • D. 
    All Day People Should Try New Professions
• 17. 
  Which IEEE standard specifier the protocol for CSMA/CD?
  • A. 
    802.2
  • B. 
    802.3
  • C. 
    802.5
  • D. 
    802.11
• 18. 
  Segmentation of data stream happens at which laye of the OSI model?
  • A. 
    Physical
  • B. 
    Data Link
  • C. 
    Network
  • D. 
    Transport
• 19. 
  Which layer 1 devices can be used to enlarge the area covered by a single LAN segment? Choose 2.
  • A. 
    Switch
  • B. 
    NIC
  • C. 
    Hub
  • D. 
    Repeater
  • E. 
    Transport
• 20. 
  What are two purposes for segmentation with a bridge?
  • A. 
    To add more broadcast domains
  • B. 
    To create more collision domains
  • C. 
    To add more bandwidth for users
  • D. 
    To allow more broadcasts for users