GATE | GATE CS Mock 2018 | Set 2 | Question 20

Which of the following option is false regarding option field in the IPv4 header:

(A) The Value of “Type” in the Security option field of an IPv4 header is 131.
(B) If the header length is greater than 5 (i.e., it is from 6 to 15) it means that the options field is present and must be considered.
(C) Copied, Option Class, and Option Number are sometimes referred to as a single eight-bit field, the Option Type.
(D) None of these


Answer: (A)

Explanation: Only option (A) is false, since the Value of “Type” in the Security option field of an IPv4 header is 130.

Quiz of this Question



My Personal Notes arrow_drop_up


Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.