Computer Networks Question with Answer

21. Why IP Protocol is considered as unreliable?

  1. A packet may be lost
  2. Packets may arrive out of order
  3. Duplicate packets may be generated
  4. All of the above

22. What is the minimum header size of an IP packet?

  1. 16 bytes
  2. 10 bytes
  3. 20 bytes
  4. 32 bytes

23. Which of following provides reliable communication?

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

24. What is the address size of IPv6 ?

  1. 32 bit
  2. 64 bit
  3. 128 bit
  4. 256 bit

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