1
GATE CSE 2020
MCQ (Single Correct Answer)
+1
-0.33
Consider the following statements about the functionality of an IP based router.

I. A router does not modify the IP packets during forwarding.
II. It is not necessary for a router to implement any routing protocol.
III. A router should reassemble IP fragments if the MTU of the outgoing link is larger than the size of the incoming IP packet.

Which of the above statements is/are TRUE?
A
I and II only
B
II only
C
I only
D
II and III only
2
GATE CSE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following fields of an IP header is NOT modified by a typical IP router?
A
Checksum
B
Source address
C
Time to Live (TTL)
D
Length
3
GATE CSE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Host A (on TCP/IPv4 network A) sends an IP datagram D to host B (also on TCP/IPv4 network B). Assume that no error occurred during the transmission of D. When D reaches B, which of the following IP header field(s) may be different from that of the original datagram D?

(i) TTL
(ii) Checksum
(iii) Fragment Offset
A
(i) only
B
(i) and (ii) only
C
(ii) and (iii) only
D
(i), (ii) and (iii)
4
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
In the IPv4 addressing format, the number of networks allowed under Class C addresses is
A
214
B
27
C
221
D
224
GATE CSE Subjects
Software Engineering
Web Technologies
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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Civil Services
UPSC Civil Service
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Class 12