Computer Networks Question with Answer


11. Each IP packet must contain

  1. Only Source address
  2. Only Destination address
  3. Source and Destination address
  4. Source or Destination address

12. Bridge works in which layer of the OSI model?

  1. Appliation layer
  2. Transport layer
  3. Network layer
  4. Datalink layer

13. ………………….. provides a connection-oriented reliable service for sending messages

  1. TCP
  2. IP
  3. UDP
  4. All of the above

14. Which layers of the OSI model are host-to-host layers?

  1. Transport, Session, Persentation, Application
  2. Network, Transport, Session, Presentation
  3. Datalink, Network, Transport, Session
  4. Physical, Datalink, Network, Transport

15. Which of the following IP address class is Multicast

  1. Class A
  2. Class B
  3. Class C
  4. Class D

16. Which of the following is correct regarding Class B Address of IP address

  1. Network bit – 14, Host bit – 16
  2. Network bit – 16, Host bit – 14
  3. Network bit – 18, Host bit – 16
  4. Network bit – 12, Host bit – 14

17. The last address of IP address represents

  1. Unicast address
  2. Network address
  3. Broadcast address
  4. None of above

18. How many bits are there in the Ethernet address?

  1. 64 bits
  2. 48 bits
  3. 32 bits
  4. 16 bits

19. How many layers are in the TCP/IP model?

  1. 4 layers
  2. 5 layers
  3. 6 layers
  4. 7 layers

20. Which of the following layer of OSI model also called end-to-end layer?

  1. Presentation layer
  2. Network layer
  3. Session layer
  4. Transport layer

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