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1

GATE CSE 2015 Set 3

Numerical
In the network 200.20.11.144/27, the fourth octet (in decimal) of the last IP address of the network which can be assigned to a host is ________.
Your Input ________

Answer

Correct Answer is 158
2

GATE CSE 2015 Set 2

MCQ (Single Correct Answer)
Host A sends a UDP datagram containing 8880 bytes of user data to host B over an Ethernet LAN. Ethernet frames may carry data up to 1500 bytes (i.e. MTU = 1500 bytes). Size of UDP header is 8 bytes and size of IP heard is 20 bytes.There is no option field in IP header How many total number of IP fragments will be transmitted and what will be the contents of offset field in the last fragment?
A
6 and 925
B
6 and 7400
C
7 and 1110
D
7 and 8880
3

GATE CSE 2014 Set 3

Numerical
An IP router implementing Classless Inter-domain Routing (CIDR) receives a packet with address 131.23.151.76. The router’s routing table has the following entries:

The identifier of the output interface on which this packet will be forwarded is ______.

Your Input ________

Answer

Correct Answer is 1
4

GATE CSE 2014 Set 3

MCQ (Single Correct Answer)
An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an IP header of length 20 bytes. The values of the relevant fields in the header of the third IP fragment generated by the router for this packet are
A
MF bit: 0, Datagram Length: 1444; Offset: 370
B
MF bit: 1, Datagram Length: 1424; Offset: 185
C
MF bit: 1, Datagram Length: 1500; Offset: 370
D
MF bit: 0, Datagram Length: 1424; Offset: 2960

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