Consider the following statements:
I – IP is connectionless, unreliable, protocol. It has no error control policies.
II – Whenever TTL field value of a packet is zero it is discarded by next upcoming router.
III – DHCP protocol will take source IP from the discarded packet and inform to the source by sending time exceeded message.
IV – Timestamp option is used for calculating transmission time.
Which of the given statement/s is/are incorrect?
(A) I only
(B) I and IV only
(C) III and IV only
(D) ALL are incorrect statements.
Answer: (C)
Explanation:
ICMP protocol will take source IP from the discarded packet and inform to the source by sending time exceeded message.
Time stamp option is used for calculating round trip time between two end points.
So, option (C) is correct.
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