Question 10406 – Calculus
March 16, 2024
Question 15926 – STQC-NIELIT SC-B 2021
March 17, 2024
Question 10406 – Calculus
March 16, 2024
Question 15926 – STQC-NIELIT SC-B 2021
March 17, 2024

Question 8176 – Computer-Networks

Which one of the following fields of an IP header is NOT modified by a typical IP router?

Correct Answer: B

Question 19 Explanation: 
Option C (TTL) is decremented by each visited router. When it reaches to Zero, then Packet will be discarded.
Option A (Checksum) needs to be updated by each visited Router since TTL Value is modified.
Option D (Length) also modified whenever there is a need of performing the fragmentation process.
Option B (Source Address) can’t be modified by an IP router. Only NAT can modify it.
A
Checksum
B
Source address
C
Time to Live (TTL)
D
Length
0 0 votes
Article Rating
Subscribe
Notify of
0 Comments
Inline Feedbacks
View all comments
0
Would love your thoughts, please comment.x
()
x
error: Alert: Content selection is disabled!!