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Recent questions tagged ip-packet

22 22 votes
8 answers 8 answers
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GATE CSE 2024 | Set 2 | Question: 18
​​​​​Which of the following statements about $\text{IPv4}$ fragmentation is/are TRUE?The fragmentation of an $\text{IP}$ datagram is performed only at the source of the d...
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25 25 votes
4 4 answers
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GATE CSE 2024 | Set 2 | Question: 22
​​​​Which of the following fields of an $\text{IP}$ header is/are always modified by any router before it forwards the $\text{IP}$ packet?Source $\text{IP}$ AddressProtoc...
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39 39 votes
5 5 answers
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GATE CSE 2024 | Set 1 | Question: 21
Which of the following fields is/are modified in the $\text{IP}$ header of a packet going out of a network address translation $\text{(NAT)}$ device from an internal netw...
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33 33 votes
5 5 answers
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GATE CSE 2024 | Set 1 | Question: 55
Consider sending an $\text{IP}$ datagram of size $1420$ bytes (including $20$ bytes of $\text{IP}$ header) from a sender to a receiver over a path of two links with a rou...
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6 6 votes
1 1 answer
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GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 51
Consider the following forwarding table in a router that uses longest prefix matching to forward packets. Assume that 4-bit addressing is used.$$\begin{array}{c|c}\hline ...
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0 0 votes
1 1 answer
614
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self doubt
In fragmentation, if any fragment gets lostthen in which case whole packet will be sent again?and in which case only that fragment will be sent again?
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0 0 votes
1 1 answer
662
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UGC NET CSE | June 2023 | Part 2: 96
IP datagram has arrived with following partial information in the header (in hexadecimal) $45000054000300002006 \ldots$.What is the size of datagram?$64$ bytes$74$ bytes$...
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0 0 votes
0 0 answers
473
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UGC NET CSE | June 2023 | Part 2: 98
IP datagram has arrived with following partial information in the header (in hexadecimal)$45000054000300002006 \ldots$.What is the protocol of the payload being carried b...
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1 1 vote
1 1 answer
502
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UGC NET CSE | June 2023 | Part 2: 99
IP datagram has arrived with following partial information in the header (in hexadecimal) $45000054000300002006 \ldots$.How many more routers can the packet travel to?$22...
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0 0 votes
1 1 answer
509
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UGC NET CSE | June 2023 | Part 2: 100
IP datagram has arrived with following partial information in the header (in hexadecimal)$45000054000300002006 \ldots .$.What is the header size?$10$ bytes$20$ bytes$30$ ...
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0 0 votes
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579
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UGCNET CSE December 2022: 61
Consider two hosts $\text{P}$ and $\text{Q}$ are connected through a router $\mathrm{R}$. The maximum transfer unit $\text{(MTU)}$ value of the link between $\mathrm{P}$ ...
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1 1 vote
2 2 answers
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One of the header fields in an IP datagram is the Time to Live (TTL) field. Which of the following statements best explains the need for this field ? It can be used to prioritize packets It can be used to reduce delays It can be used to optimize throughput It can be used to prevent packet looping
One of the header fields in an IP datagram is the Time to Live (TTL) field. Which of the following statements best explains the need for this field ? It can be used to pr...
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0 0 votes
1 answers 1 answer
718
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IP Packet question
Consider and IP packet arrived at a router of size 1850 bytes. If the header length field in IPv4 header is 1010 and the packet is sent to a router whose Maximum transmis...
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0 0 votes
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457
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Computer Network
Let host X sends a file a size of 1500 byte to host Y through routers R1, R2, R3 and R4 respectively in two different ways. Each packet contains 100 bytes of header infor...
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0 0 votes
1 1 answer
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MTU question from computer networks
Consider an IP packet with a length of 4,500 bytes that includes a 20-byte IPv4 header and a 40-byte TCP header. The packet is forwarded to an IPv4 router that supports a...
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2 2 votes
2 2 answers
13.5k
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IPV4 Harder Numerical from Computer Networks
An IPv4 datagram has arrived with the following information in the header (in hexadecimal): Ox45 00 00 54 00 03 58 50 20 06 00 00 7C 4E 03 02 B4 OE OF 02a. Is the packet ...
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