Search results for tcp / GATE Overflow for GATE CSE

82 votes

12 answers

1

GATE CSE 2014 Set 1 | Question: 27
Let the size of congestion window of a TCP connection be $32$ KB when a timeout occurs. The round trip time of the connection is $100$ msec and the maximum segment size used is $2$ KB. The time taken (in msec) by the TCP connection to get back to $32$ KB congestion window is _________.

Let the size of congestion window of a TCP connection be $32$ KB when a timeout occurs. The round trip time of the connection is $100$ msec and the maximum segment size u...

go_editor

37.8k views

go_editor asked Sep 26, 2014

37 votes

9 answers

2

GATE CSE 2018 | Question: 14
Consider the following statements regarding the slow start phase of the TCP congestion control algorithm. Note that cwnd stands for the TCP congestion window and MSS window denotes the Maximum Segments Size: The cwnd increases by $2$ MSS on every successful acknowledgment The cwnd ... true Only $\text{(iv)}$ is true Only $\text{(i)}$ and $\text{(iv)}$ are true

Consider the following statements regarding the slow start phase of the TCP congestion control algorithm. Note that cwnd stands for the TCP congestion window and MSS wind...

gatecse

23.4k views

gatecse asked Feb 14, 2018

86 votes

7 answers

3

GATE CSE 2009 | Question: 47
While opening a $TCP$ connection, the initial sequence number is to be derived using a time-of-day (ToD) clock that keeps running even when the host is down. The low order $32$ bits of the counter of the ToD clock is to be used for the initial sequence numbers ... sequence numbers used for packets of a connection can increase? $0.015$/s $0.064$/s $0.135$/s $0.327$/s

While opening a $TCP$ connection, the initial sequence number is to be derived using a time-of-day (ToD) clock that keeps running even when the host is down. The low orde...

Kathleen

25.4k views

Kathleen asked Sep 22, 2014

70 votes

5 answers

4

GATE CSE 2015 Set 2 | Question: 34
Assume that the bandwidth for a $\text{TCP}$ connection is $1048560$ bits/sec. Let $\alpha$ be the value of RTT in milliseconds (rounded off to the nearest integer) after which the $\text{TCP}$ window scale option is needed. Let $\beta$ be the maximum possible ... $^{16}$ $500$ milliseconds, $65535$ $\times $2$^{14}$ $500$ milliseconds, $65535$ $\times $2$^{16}$

Assume that the bandwidth for a $\text{TCP}$ connection is $1048560$ bits/sec. Let $\alpha$ be the value of RTT in milliseconds (rounded off to the nearest integer) afte...

go_editor

27.9k views

go_editor asked Feb 12, 2015

12 votes

5 answers

5

GATE CSE 2023 | Question: 40
Suppose you are asked to design a new reliable byte-stream transport protocol like $\text{TCP}.$ This protocol, named $\textsf{myTCP}$, runs over a $100 \mathrm{~Mbps}$ network with Round Trip Time of $150$ ... lengths of the Sequence Number field in the $\textsf{myTCP}$ header? $30$ bits $32$ bits $34$ bits $36$ bits

Suppose you are asked to design a new reliable byte-stream transport protocol like $\text{TCP}.$ This protocol, named $\textsf{myTCP}$, runs over a $100 \mathrm{~Mbps}$ n...

admin

9.8k views

admin asked Feb 15, 2023

41 votes

7 answers

6

GATE CSE 2017 Set 1 | Question: 14
Consider a TCP client and a TCP server running on two different machines. After completing data transfer, the TCP client calls close to terminate the connection and a FIN segment is sent to the TCP server. Server-side TCP responds by sending an ACK, which is ... TCP connection wait for the FIN from the server-side TCP? LAST-ACK TIME-WAIT FIN-WAIT-$1$ FIN-WAIT-$2$

Consider a TCP client and a TCP server running on two different machines. After completing data transfer, the TCP client calls close to terminate the connection and a FIN...

yg92

13.9k views

yg92 asked Feb 14, 2017

55 votes

8 answers

7

GATE CSE 2004 | Question: 57
Consider three IP networks $A, B$ and $C$. Host $H_A$ in network $A$ sends messages each containing $180$ $bytes$ of application data to a host $H_C$ in network $C$. The TCP layer prefixes $20$ byte header to the message. This passes through an intermediate network $B$ ... overheads. $325.5$ $\text{Kbps}$ $354.5$ $\text{Kbps}$ $409.6$ $\text{Kbps}$ $512.0$ $\text{Kbps}$

Consider three IP networks $A, B$ and $C$. Host $H_A$ in network $A$ sends messages each containing $180$ $bytes$ of application data to a host $H_C$ in network $C$. The ...

go_editor

19.0k views

go_editor asked Apr 24, 2016

15 votes

4 answers

8

GATE CSE 2021 Set 1 | Question: 45
Consider two hosts $P$ and $Q$ connected through a router $R$. The maximum transfer unit $\text{(MTU)}$ value of the link between $P$ and $R$ is $1500$ bytes, and between $R$ and $Q$ is $820$ bytes. A $\text{TCP}$ segment ... to resend the whole $\text{TCP}$ segment. $\text{TCP}$ destination port can be determined by analysing $\textit{only}$ the second fragment.

Consider two hosts $P$ and $Q$ connected through a router $R$. The maximum transfer unit $\text{(MTU)}$ value of the link between $P$ and $R$ is $1500$ bytes, and between...

Arjun

10.4k views

Arjun asked Feb 18, 2021

28 votes

3 answers

9

GATE CSE 2016 Set 2 | Question: 25
Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming that the host has just been restarted. HTTP GET request, DNS query, TCP SYN DNS query, HTTP GET request, TCP SYN DNS query, TCP SYN, HTTP GET request. TCP SYN, DNS query, HTTP GET request.

Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming tha...

Akash Kanase

11.7k views

Akash Kanase asked Feb 12, 2016

17 votes

4 answers

10

GATE CSE 2020 | Question: 55
Consider a $\textsf{TCP}$ connection between a client and a server with the following specifications; the round trip time is $6$ ms, the size of the receiver advertised window is $50$ KB, slow-start threshold at the client is $32$ KB, and the ... the size of the congestion window (in $\text{KB}$) at time $t+60$ ms after all acknowledgements are processed is _______

Consider a $\textsf{TCP}$ connection between a client and a server with the following specifications; the round trip time is $6$ ms, the size of the receiver advertised w...

Arjun

14.4k views

Arjun asked Feb 12, 2020

2 votes

1 answer

11

GATE CSE 2024 | Set 1 | Question: 19
$\mathrm{TCP}$ client $\mathrm{P}$ successfully establishes a connection to $\text{TCP}$ server $\mathrm{Q}$. Let $\text{N}_{P}$ denote the sequence number in the $\text{SYN}$ sent from $\mathrm{P}$ to $\mathrm{Q}$. Let $\text{N}_{Q}$ denote the ... $\text{N}_{P}$ The acknowledgement number $\text{N}_{Q}$ is equal to $\text{N}_{P}+1$

$\mathrm{TCP}$ client $\mathrm{P}$ successfully establishes a connection to $\text{TCP}$ server $\mathrm{Q}$. Let $\text{N}_{P}$ denote the sequence number in the $\te...

Arjun

1.8k views

Arjun asked Feb 16

32 votes

6 answers

12

GATE CSE 2018 | Question: 25
Consider a long-lived $\text{TCP}$ session with an end-to-end bandwidth of $1\; \text{Gbps}\; (=10^9$ bits-per-second$).$ The session starts with a sequence number of $1234$. The minimum time (in seconds, rounded to the closet integer) before this sequence number can be used again is _________.

Consider a long-lived $\text{TCP}$ session with an end-to-end bandwidth of $1\; \text{Gbps}\; (=10^9$ bits-per-second$).$ The session starts with a sequence number of $12...

gatecse

21.5k views

gatecse asked Feb 14, 2018

8 votes

2 answers

13

GO Classes Test Series 2024 | Mock GATE | Test 13 | Question: 51
A TCP connection has been established between hosts $\text{A}$ and $\text{B. A}$ receives a packet from $\text{B}$ with the following field values shown below: Sequence: $1001$ Acknowledgment: $5001$ Window size: $3000$ [ ... Payload Size: $1000]$ Sequence: $8001$ Acknowledgment: $1053$ Window size: $2000$ [TCP Payload Size: $1000]$

A TCP connection has been established between hosts $\text{A}$ and $\text{B. A}$ receives a packet from $\text{B}$ with the following field values shown below:Sequence: $...

GO Classes

847 views

GO Classes asked Jan 28

42 votes

4 answers

14

GATE IT 2007 | Question: 14
Consider a $TCP$ connection in a state where there are no outstanding $ACK$s. The sender sends two segments back to back. The sequence numbers of the first and second segments are $230$ and $290$ respectively. The first segment was lost, but the second segment was received correctly ... $Y$ (in that order) are $60$ and $290$ $230$ and $291$ $60$ and $231$ $60$ and $230$

Consider a $TCP$ connection in a state where there are no outstanding $ACK$s. The sender sends two segments back to back. The sequence numbers of the first and second seg...

Ishrat Jahan

10.5k views

Ishrat Jahan asked Oct 29, 2014

47 votes

9 answers

15

GATE CSE 2015 Set 1 | Question: 1‏9
Suppose two hosts use a TCP connection to transfer a large file. Which of the following statements is/are FALSE with respect to the TCP connection? If the sequence number of a segment is $m,$ then the sequence number of the subsequent segment is always ... always less than or equal to the advertised window. III only I and III only I and IV only II and IV only

Suppose two hosts use a TCP connection to transfer a large file. Which of the following statements is/are FALSE with respect to the TCP connection?If the sequence number ...

makhdoom ghaya

18.9k views

makhdoom ghaya asked Feb 12, 2015

8 votes

3 answers

16

GATE CSE 2022 | Question: 50
Consider the data transfer using $\text{TCP}$ over a $1 \; \text{Gbps}$ link. Assuming that the maximum segment lifetime $\text{(MSL)}$ is set to $60 \; \text{seconds},$ the minimum number of bits required for the sequence number field of the $\text{TCP}$ header, to prevent the sequence number space from wrapping around during the $\text{MSL}$ is ________________.

Consider the data transfer using $\text{TCP}$ over a $1 \; \text{Gbps}$ link. Assuming that the maximum segment lifetime $\text{(MSL)}$ is set to $60 \; \text{seconds},$ ...

Arjun

7.5k views

Arjun asked Feb 15, 2022

4 votes

1 answer

17

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 38
Consider a sliding window protocol with a window size of $5$ using cumulative ACKs (and ACK is being sent for each segment). Assume that the retransmission timeout timer is long enough and timeout has not occurred for any ... after data packet 5 Data packet 3 was duplicated by the network ACK packet A3 was duplicated by the network

Consider a sliding window protocol with a window size of $5$ using cumulative ACKs (and ACK is being sent for each segment).Assume that the retransmission timeout timer i...

GO Classes

436 views

GO Classes asked Feb 5

10 votes

3 answers

18

GATE CSE 2021 Set 1 | Question: 44
A $\text{TCP}$ server application is programmed to listen on port number $P$ on host $S$. A $\text{TCP}$ client is connected to the $\text{TCP}$ server over the network. Consider that while the $\text{TCP}$ connection was active, the ... receive a $\text{RST}$ segment If the client sends a packet after the server reboot, it will receive a $\text{FIN}$ segment

A $\text{TCP}$ server application is programmed to listen on port number $P$ on host $S$. A $\text{TCP}$ client is connected to the $\text{TCP}$ server over the network.C...

Arjun

12.9k views

Arjun asked Feb 18, 2021

0 votes

1 answer

19

Test Series
Even through B's browser has only viewed the first 80 bytes, its stack has received up to byte 600 in sequence from A. What will be the ACK and window in TCP header that B next sends to A? Note: If ACK is X and window in TCP header is Y then write answer as X+Y.

Even through B's browser has only viewed the first 80 bytes,its stack has received up to byte 600 in sequence from A.What will be the ACK and window in TCP header that B ...

Neeraj patel

135 views

Neeraj patel asked Jan 23

0 votes

1 answer

20

computer network
If window receiver size is 64 KB and The round trip time of a connection is 50 msec and maximum segment size used is 4 KB.In slow start phase the current congestion window size is 16 MSS and sender gets 4 ACK then then what should be value of congestion window (In KB)

If window receiver size is 64 KB and The round trip time of a connection is 50 msec and maximum segment size used is 4 KB.In slow start phase the current congestion windo...

gateranker

180 views

gateranker asked Jan 13

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