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Recent questions tagged tcp
2
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4
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878
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GATE CSE 2021 Set 2 | Question: 7 | Video Solution
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
1.4k
points
878
views
gate2021-cse-set2
computer-networks
tcp
3
votes
3
answers
1.5k
views
GATE CSE 2021 Set 1 | Question: 44 | Video Solution
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
1.4k
points
1.5k
views
gate2021-cse-set1
multiple-selects
computer-networks
tcp
5
votes
3
answers
1.2k
views
GATE CSE 2021 Set 1 | Question: 45 | Video Solution
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
1.4k
points
1.2k
views
gate2021-cse-set1
computer-networks
tcp
0
votes
1
answer
81
views
Pearson GATE 2021, 8.48, Q1
Current RTT=40ms. ACKs arrive at 26ms, 32ms, 24ms respectively. What is the new estimated RTT? Consider alpha=0.9
susmit600
asked
in
Computer Networks
Jan 31, 2021
by
susmit600
5
points
81
views
tcp
tcp-congestion
0
votes
0
answers
31
views
Gradeup Test series
In the TCP connection (AIMD) algorithm, the sender sending threshold (SSThresh) is 12MSS and congestion window size (cwnd) is 1MSS. If round trip time (RTT) is 100ms then what amount of time is required to start the congestion avoidance phase? (Assume no timeout occur at the sender side) 300ms 400ms 700ms 800ms
Gautam9596
asked
in
Computer Networks
Jan 20, 2021
by
Gautam9596
5
points
31
views
tcp
0
votes
0
answers
127
views
Applied gate topicwise test 2021
On any given Sunday , Sam initiates a connection with his girlfriend Alice in order to plan what movie they're going to watch on tuesdays with Morrie. This sunday , immediately after Sam immediately after Sam initiates the connection, Alice decides ... queuing and processing delays at both the sender and receiver and assume there are no losses. Please solve this .
Kirtisoni
asked
in
Computer Networks
Nov 12, 2020
by
Kirtisoni
27
points
127
views
tcp
0
votes
0
answers
36
views
TCP Timeout Timer Management
I know that, if the timeout is set too short, unnecessary retransmissions will occur. Suppose, we send a segment with sequence number = 100 and segment length = 100. This segment is received by the the receiver and the receiver sends a ... sender accept the delayed ACK? Will the receiver discard the duplicate segment? Does Karn's Algorithm take care of this problem?
arjungangwar
asked
in
Computer Networks
Jul 27, 2020
by
arjungangwar
5
points
36
views
computer-networks
tcp
transport-layer
timeout-timer
0
votes
0
answers
24
views
GATE2014-1-27 Video Solution
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 _________.
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
24
views
gate2014-1
computer-networks
tcp
congestion-control
numerical-answers
normal
video-solution
0
votes
0
answers
39
views
GATE2015-2-34 Video Solution
Assume that the bandwidth for a $TCP$ connection is $1048560$ bits/sec. Let $\alpha$ be the value of RTT in milliseconds (rounded off to the nearest integer) after which the $TCP$ window scale option is needed. Let $\beta$ be the maximum possible window size with ... $500$ milliseconds, $65535$ $\times $2$^{14}$ $500$ milliseconds, $65535$ $\times $2$^{16}$
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
39
views
gate2015-2
computer-networks
difficult
tcp
video-solution
0
votes
0
answers
18
views
GATE2009-47 Video Solution
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 ... which sequence numbers used for packets of a connection can increase? $0.015$/s $0.064$/s $0.135$/s $0.327$/s
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
18
views
gate2009
computer-networks
tcp
difficult
ambiguous
video-solution
0
votes
0
answers
23
views
GATE2004-56 Video Solution
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 $\text{TCP}$ layer prefixes $20$ byte header to the message. This passes ... $IP$ layer at the destination for one application message, in the best case? Consider only data packets. $200$ $220$ $240$ $260$
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
23
views
gate2004
computer-networks
ip-addressing
tcp
normal
video-solution
0
votes
0
answers
21
views
GATE2018-25 Video Solution
Consider a long-lived $TCP$ 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 ____
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
21
views
gate2018
computer-networks
tcp
normal
numerical-answers
video-solution
0
votes
0
answers
20
views
GATE2004-57 Video Solution
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. $325.5$ $\text{Kbps}$ $354.5$ $\text{Kbps}$ $409.6$ $\text{Kbps}$ $512.0$ $\text{Kbps}$
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
20
views
gate2004
computer-networks
ip-addressing
tcp
normal
video-solution
0
votes
0
answers
28
views
GATE2018-14 Video Solution
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
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
28
views
gate2018
computer-networks
tcp
congestion-control
normal
video-solution
0
votes
0
answers
21
views
GATE2005-23 Video Solution
Packets of the same session may be routed through different paths in: TCP, but not UDP TCP and UDP UDP, but not TCP Neither TCP nor UDP
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
21
views
gate2005
computer-networks
tcp
udp
easy
video-solution
0
votes
0
answers
36
views
GATE2006-IT-69 Video Solution
A program on machine $X$ attempts to open a $UDP$ connection to port $5376$ on a machine $Y$, and a $TCP$ connection to port $8632$ on machine $Z$. However, there are no applications listening at the corresponding ports on $Y$ and $Z$. An $ICMP$ Port Unreachable error will be generated by $Y$ but not $Z$ $Z$ but not $Y$ Neither $Y$ nor $Z$ Both $Y$ and $Z$
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
36
views
gate2006-it
computer-networks
tcp
udp
normal
video-solution
0
votes
0
answers
16
views
GATE2017-1-14 Video Solution
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 ... client-side TCP connection wait for the FIN from the server-side TCP? LAST-ACK TIME-WAIT FIN-WAIT-1 FIN-WAIT-2
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
16
views
gate2017-1
computer-networks
tcp
video-solution
0
votes
0
answers
19
views
GATE2015-1-19 Video Solution
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 m+1. ... is always less than or equal to the advertised window. III only I and III only I and IV only II and IV only
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
19
views
gate2015-1
computer-networks
tcp
normal
video-solution
0
votes
0
answers
67
views
GATE2008-IT-69 Video Solution
The three way handshake for TCP connection establishment is shown below. Which of the following statements are TRUE? $S1:$ Loss of $SYN + ACK$ from the server will not establish a connection $S2:$ Loss of $ACK$ from the client cannot establish the connection $S3:$ The server ... no packet loss $S2$ and $S3$ only $S1$ and $S4$ only $S1$ and $S3$ only $S2$ and $S4$ only
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
67
views
gate2008-it
computer-networks
tcp
normal
video-solution
0
votes
0
answers
16
views
GATE2012-22 Video Solution
Which of the following transport layer protocols is used to support electronic mail? SMTP IP TCP UDP
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
16
views
gate2012
computer-networks
tcp
easy
video-solution
0
votes
0
answers
15
views
GATE2015-3-22 Video Solution
Consider the following statements. TCP connections are full duplex TCP has no option for selective acknowledgement TCP connections are message streams Only I is correct Only I and III are correct Only II and III are correct All of I, II and III are correct
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
15
views
gate2015-3
computer-networks
tcp
normal
video-solution
0
votes
0
answers
14
views
GATE2004-IT-28 Video Solution
In TCP, a unique sequence number is assigned to each byte word segment message
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
14
views
gate2004-it
computer-networks
tcp
normal
video-solution
0
votes
0
answers
48
views
GATE2007-IT-13 Video Solution
Consider the following statements about the timeout value used in TCP. The timeout value is set to the RTT (Round Trip Time) measured during TCP connection establishment for the entire duration of the connection. Appropriate RTT estimation algorithm is used to set the timeout value of a ... $(ii)$ are false, but $(iii)$ is true $(i), (ii)$ and $(iii)$ are false
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
48
views
gate2007-it
computer-networks
tcp
normal
video-solution
0
votes
0
answers
13
views
GATE2016-2-25 Video Solution
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.
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
13
views
gate2016-2
computer-networks
normal
tcp
video-solution
0
votes
0
answers
28
views
GATE2004-IT-23 Video Solution
Which one of the following statements is FALSE? TCP guarantees a minimum communication rate TCP ensures in-order delivery TCP reacts to congestion by reducing sender window size TCP employs retransmission to compensate for packet loss
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
28
views
gate2004-it
computer-networks
tcp
normal
video-solution
0
votes
0
answers
23
views
GATE2013-12 Video Solution
The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are TCP, UDP, UDP and TCP UDP, TCP, TCP and UDP UDP, TCP, UDP and TCP TCP, UDP, TCP and UDP
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
23
views
gate2013
computer-networks
tcp
udp
easy
video-solution
0
votes
0
answers
21
views
GATE2007-IT-14 Video Solution
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 ... $Y$ (in that order) are $60$ and $290$ $230$ and $291$ $60$ and $231$ $60$ and $230$
admin
asked
in
Computer Networks
Apr 18, 2020
by
admin
585
points
21
views
gate2007-it
computer-networks
tcp
normal
video-solution
0
votes
0
answers
25
views
Explain the statement of Data offset or TCP header length ,Source : Wikipedia
shaktisingh
asked
in
Computer Networks
Dec 11, 2019
by
shaktisingh
105
points
25
views
computer-networks
tcp
dataoffset
0
votes
0
answers
23
views
self doubt-TCP connection establishment
If suppose data transfer is going on from the client(using socket S1) to server (using socket S2).then suddenly while data transfer is going on the server receives a SYN packet from the same client having the same socket S1.to the same socket S2. what will the server do? Will it send an RST flag?
Doraemon
asked
in
Computer Networks
Nov 19, 2019
by
Doraemon
73
points
23
views
tcp
3-way-handshake
0
votes
1
answer
158
views
Self Doubt: TCP/IP
What is the minimum and maximum number of packets required to be exchanged for connection establishment, data transfer and connection termination in a TCP 3 way handshake?
Sambhrant Maurya
asked
in
Computer Networks
Aug 25, 2019
by
Sambhrant Maurya
493
points
158
views
computer-networks
tcp
3-way-handshake
0
votes
1
answer
546
views
Computer Network - traffic shaping
Computer A has 19.5 MB to send on a network and transmits the data in burst 6 Mbps. The maximum transmission rate across router in the network is 4Mbps. If Computer A transmission is shaped using a leaky bucket, how much capacity(Mb) must the queue in the bucket hold not to discard any data?
sagar2405
asked
in
Computer Networks
Aug 7, 2019
by
sagar2405
193
points
546
views
tcp
computer-networks
protocols
1
vote
1
answer
544
views
Computer Networks overhead question
Assuming that, for given network layer implementation, connection establishment overheads are 100 bytes and disconnection are 28 bytes, what would be the minimum size of a packet the transport layer needs to keep if it wishes to implement a datagram ... its overhead to a maximum of 12.5%. Ignore transport layer overheads. 512 bytes 768 bytes 1152 bytes 1024 bytes
sagar2405
asked
in
Computer Networks
Aug 7, 2019
by
sagar2405
193
points
544
views
computer-networks
protocols
tcp
0
votes
0
answers
35
views
Computer network tcp
Consider a tcp connection is established between from host A to host B between processes P1 abnd P2 running. MSS = 800 bytes. Consider an instant when threshold at P1 is 8000 bytes. Then, P1 receives an ACK. After reception and processing of this ACK, the ... . What was the congestion window at time, i.e. before the ACK was processed? 6400 bytes 7200 bytes 8000 bytes 8800 bytes
sagar2405
asked
in
Computer Networks
Aug 6, 2019
by
sagar2405
193
points
35
views
tcp
computer-networks
protocols
0
votes
0
answers
51
views
Computer Networks
Consider host A wants to transmits a 25000 bytes long file to host B using TCP. If MSS is 1000 bytes and slow start threshold is 16 MSS. How many RTT it will take to transmits the complete file?
sagar2405
asked
in
Computer Networks
Aug 5, 2019
by
sagar2405
193
points
51
views
tcp
computer-networks
protocols
0
votes
1
answer
37
views
Computer Networks TCP
Consider a TCP based protocol over 40 Gbps; A single TCP connection is allowed to use all the available bandwidth. How long wraparound occurs in sec?
sagar2405
asked
in
Computer Networks
Aug 5, 2019
by
sagar2405
193
points
37
views
tcp
computer-networks
protocols
0
votes
0
answers
46
views
Computer network - TCP
There are two nodes on a network C and S. C is client and S is server. C wants to connect to S and send a message that is 35KB long using TCP. Assume that a single packet can hold up a 2KB of data ans the headers are negligibly ... start stage, initially SSthresh = 32KB and that there is no packet loss. At what time will the server finish receiving the message from client?
sagar2405
asked
in
Computer Networks
Jul 30, 2019
by
sagar2405
193
points
46
views
tcp
0
votes
0
answers
87
views
Computer Networks - Test series
Consider that at time t, a TCP connections has a congestion window of 4000 bytes. The maximum segment size used by the connection is 1000 bytes. What is the congestion window(in bytes) after it send out 4 packets and receive acks for all of them? Suppose thre is one ack per packet. If the connection is in slow start? If the connection is in congestion avoidance?
sagar2405
asked
in
Computer Networks
Jul 30, 2019
by
sagar2405
193
points
87
views
tcp
computer-networks
protocols
0
votes
1
answer
35
views
Computer Networks - TCP
If a TCP server was to simultaneously support N clients, how many sockets would the TCP server need? 1 2 N N+1 Please answer the above question for UDP also.
sagar2405
asked
in
Computer Networks
Jul 30, 2019
by
sagar2405
193
points
35
views
computer-networks
tcp
0
votes
1
answer
61
views
Computer network - TCP
Suppose you wanted to implement a transaction from a remote client to server in TCP, what is the minimum delay to complete one transaction? 1RTT 2RTT 2.5RTT 3RTT
sagar2405
asked
in
Computer Networks
Jul 30, 2019
by
sagar2405
193
points
61
views
computer-networks
tcp
protocols
0
votes
0
answers
21
views
Computer Networks - UDP and TCP doubt
UDP provides error control mechanism. According to me, statement is false because it uses checksum to detect errors but it cannot control it unlike TCP. Is my statement correct ? If not please give appropriate reasons for the answer of the given statement.
user2525
asked
in
Computer Networks
Jul 30, 2019
by
user2525
2.4k
points
21
views
computer-networks
tcp
protocols
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