📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • âś–

      Question

      ICMP sends “Destination Unreachable – Fragmentation

      Needed” when:
      A TTL expires Correct Answer Incorrect Answer
      B MTU is smaller and DF flag is set Correct Answer Incorrect Answer
      C Packet checksum fails Correct Answer Incorrect Answer
      D Port is closed Correct Answer Incorrect Answer
      E Router queue is full Correct Answer Incorrect Answer

      Solution

      If a router cannot fragment due to the DF (Don’t Fragment) bit, it sends ICMP error with required MTU.

      Practice Next
      ask-question