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Recent questions tagged tcp
1
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1
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61
Applied Test Series
What will be the length of maximum burst in sec where the capacity of the router is 10MB. The maximum output rate of the router is 20 MBPS and the token rate is 12 MBPS.
LRU
asked
in
Computer Networks
Oct 10, 2021
by
LRU
853
views
test-series
computer-networks
tcp
token-bucket
3
votes
1
answer
62
Applied Test Series
Suppose TCP uses congestion control without slow start.The first transmission start with 1 MSS, Assuming cwnd increases by 3 MSS every time a batch of ACKs is received and assuming approximately constant round-?trip times, the next window after timeout will ... timeout occurs at the sixth transmission, how many total round trip time requires to reach the window size of 20 MSS.
LRU
asked
in
Computer Networks
Oct 8, 2021
by
LRU
1.7k
views
test-series
computer-networks
congestion-control
tcp
2
votes
2
answers
63
Applied Test Series
In the TCP connection, the maximum segment size used by the connection is 1000 bytes. What is the congestion window(in bytes) after the 4th transmission and receives acks for all of them? Assume the connection uses only slow-start ?
LRU
asked
in
Computer Networks
Oct 8, 2021
by
LRU
1.0k
views
test-series
computer-networks
congestion-control
tcp
2
votes
1
answer
64
Applied Test Series
Suppose TCP uses AIMD for its congestion control without slow start. Assuming cwnd increases by 2 MSS every time a batch of ACKs is received and assuming approximately constant round-trip times, how long in round trip time does it take for cwnd to increase from 4 MSS to 12 MSS (assuming no loss events)?
LRU
asked
in
Computer Networks
Oct 8, 2021
by
LRU
1.5k
views
test-series
computer-networks
tcp
congestion-control
2
votes
1
answer
65
Applied Test Series
Consider the size of the congestion window of a TCP connection be 40 KB when a timeout occurs. The round trip time of the connection is 50 msec and the maximum segment size used is 2 KB. How much time it will be required(in milli sec) to reach the congestion window of 30 KB?
LRU
asked
in
Computer Networks
Oct 4, 2021
by
LRU
552
views
computer-networks
congestion-control
tcp
test-series
3
votes
1
answer
66
Applied Test Series
On any given Sunday, Sam initiates a connection with his girlfriend Alice in order to plan out what movie they're going to watch on Tuesdays with Morrie. This Sunday, immediately after Sam initiates the connection, Alice decides to send him a 60 KB ... congestion window of 1. Neglect queuing and processing delays at both the sender and receiver, and assume there are no losses.
LRU
asked
in
Computer Networks
Oct 1, 2021
by
LRU
648
views
computer-networks
tcp
congestion-control
test-series
0
votes
1
answer
67
Applied Test Series
Consider the effect of using additive increase multiplicative decrease(AIMD) on a line with propagation delay of 10ms.The receive window is 24KB and the maximum segment size is 2KB. How long does it take to completely send full window size segment in ms initial threshold of 20KB?
LRU
asked
in
Computer Networks
Sep 30, 2021
by
LRU
594
views
computer-networks
tcp
congestion-control
test-series
0
votes
1
answer
68
Applied Test Series
Consider the effect of using slow start on a line with 12 msec round trip time. The size of the congestion window is set to 40 KB. The sender side threshold is set to 20 KB. After 7th transmission a time-out occurs, after timeout the time taken to send the first full window of 20 KB is (in msec). ? [ Assume window size at the start of the slow start phase is 2 KB, MSS=2KB]
LRU
asked
in
Computer Networks
Sep 30, 2021
by
LRU
494
views
computer-networks
tcp
congestion-control
test-series
10
votes
5
answers
69
GATE CSE 2021 Set 2 | Question: 7
Consider the three-way handshake mechanism followed during $\text{TCP}$ connection establishment between hosts $P$ and $Q$. Let $X$ and $Y$ be two random $32$-bit starting sequence numbers chosen by $P$ and $Q$ respectively. Suppose $P$ sends a $\text{TCP}$ connection request ... $=Y$, $\text{ACK}$ bit $=1$, $\text{ACK}$ number $=X$, $\text{FIN}$ bit $=0$
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
6.9k
views
gatecse-2021-set2
computer-networks
tcp
1-mark
10
votes
3
answers
70
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
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
12.8k
views
gatecse-2021-set1
multiple-selects
computer-networks
tcp
2-marks
15
votes
4
answers
71
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.
Arjun
asked
in
Computer Networks
Feb 18, 2021
by
Arjun
10.2k
views
gatecse-2021-set1
computer-networks
tcp
2-marks
multiple-selects
2
votes
3
answers
72
NIELIT 2016 MAR Scientist B - Section C: 53
In context of TCP/IP computer network models, which of the following is FALSE? Besides span of geographical area, the other major difference between LAN and WAN is that the later uses switching element. A repeater is used just to forward ... to another one. IP layer is connected oriented layer in TCP/IP. A gateway is used to connect incompatible networks.
admin
asked
in
Computer Networks
Mar 31, 2020
by
admin
2.0k
views
nielit2016mar-scientistb
computer-networks
tcp
2
votes
5
answers
73
UGC NET CSE | January 2017 | Part 2 | Question: 28
A packet whose destination is outside the local $TCP/IP$ network segment is sent to ________. File server $DNS$ server $DHCP$ server Default gateway
go_editor
asked
in
Computer Networks
Mar 24, 2020
by
go_editor
1.4k
views
ugcnetjan2017ii
computer-networks
tcp
17
votes
4
answers
74
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 _______
Arjun
asked
in
Computer Networks
Feb 12, 2020
by
Arjun
14.2k
views
gatecse-2020
numerical-answers
computer-networks
tcp
2-marks
4
votes
4
answers
75
ISRO2020-54
Checksum field in TCP header is ones complement of sum of header and data in bytes ones complement of sum of header, data and pseudo header in $16$ bit words dropped from $\textsf{IPv6}$ header format better than $\textsf{md5}$ or $\textsf{sh1}$ methods
Satbir
asked
in
Computer Networks
Jan 13, 2020
by
Satbir
3.5k
views
isro-2020
computer-networks
tcp
normal
5
votes
3
answers
76
ISRO2020-53
The persist timer is used in TCP to To detect crashes from the other end of the connection To enable retransmission To avoid deadlock condition To timeout $\textsf{FIN_Wait1}$ condition
Satbir
asked
in
Computer Networks
Jan 13, 2020
by
Satbir
3.0k
views
isro-2020
computer-networks
tcp
normal
1
vote
3
answers
77
Kurose and Ross Edition 6 Exercise 3 Question R18 (Page No 288)
True or false? Consider congestion control in TCP. When the timer expires at the sender, the value of ssthresh is set to one half of its previous value.
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
1.8k
views
computer-networks
kurose-and-ross
transport-layer
congestion-control
descriptive
tcp
1
vote
2
answers
78
Kurose and Ross Edition 6 Exercise 3 Question R17 (Page No 287)
Suppose two TCP connections are present over some bottleneck link of rate R bps. Both connections have a huge file to send (in the same direction over the bottleneck link). The transmissions of the files start at the same time. What transmission rate would TCP like to give to each of the connections?
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
1.7k
views
computer-networks
kurose-and-ross
transport-layer
tcp
congestion-control
descriptive
1
vote
1
answer
79
Kurose and Ross Edition 6 Exercise 3 Question R15 (Page No 287)
Suppose Host A sends two TCP segments back to back to Host B over a TCP connection. The first segment has sequence number 90; the second has sequence number 110. How much data is in the first segment? Suppose that the ... segment arrives at B. In the acknowledgment that Host B sends to Host A, what will be the acknowledgment number?
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
16.2k
views
computer-networks
kurose-and-ross
transport-layer
tcp
descriptive
2
votes
1
answer
80
Kurose and Ross Edition 6 Exercise 3 Question R14 (Page No 287)
True or false? Host A is sending Host B a large file over a TCP connection. Assume Host B has no data to send Host A. Host B will not send acknowledgments to Host A because Host B cannot piggyback the acknowledgments ... 4 bytes of data over a TCP connection to Host B. In this same segment the acknowledgment number is necessarily 42.
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
6.6k
views
computer-networks
kurose-and-ross
transport-layer
tcp
descriptive
1
vote
1
answer
81
Kurose and Ross Edition 6 Exercise 3 Question R10 (Page No 286)
In our rdt protocols, why did we need to introduce timers?
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
702
views
computer-networks
kurose-and-ross
transport-layer
descriptive
tcp
udp
1
vote
2
answers
82
Kurose and Ross Edition 6 Exercise 3 Question R5 (Page No 286)
Why is it that voice and video traffic is often sent over TCP rather than UDP in today’s Internet? (Hint: The answer we are looking for has nothing to do with TCP’s congestion-control mechanism.)
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
569
views
computer-networks
kurose-and-ross
transport-layer
tcp
descriptive
2
votes
1
answer
83
Kurose and Ross Edition 6 Exercise 3 Question R4 (Page No 286)
Describe why an application developer might choose to run an application over UDP rather than TCP.
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
686
views
computer-networks
kurose-and-ross
transport-layer
tcp
udp
descriptive
1
vote
1
answer
84
Kurose and Ross Edition 6 Exercise 3 Question R3 (Page No 286)
Consider a TCP connection between Host A and Host B. Suppose that the TCP segments traveling from Host A to Host B have source port number x and destination port number y. What are the source and destination port numbers for the segments traveling from Host B to Host A?
ajaysoni1924
asked
in
Computer Networks
Apr 18, 2019
by
ajaysoni1924
1.8k
views
computer-networks
kurose-and-ross
transport-layer
descriptive
tcp
0
votes
1
answer
85
Kurose and Ross Edition 6 Exercise 2 Question R8 (Page No 169)
List the four broad classes of services that a transport protocol can provide. For each of the service classes, indicate if either UDP or TCP (or both) provides such a service.
ajaysoni1924
asked
in
Computer Networks
Apr 10, 2019
by
ajaysoni1924
2.1k
views
computer-networks
kurose-and-ross
tcp
udp
application-layer-protocols
descriptive
0
votes
0
answers
86
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 35 (Page No. 609)
To address the limitations of IP version 4, a major effort had to be undertaken via IETF that resulted in the design of IP version 6 and there are still is significant reluctance in the adoption of this new version. However, no such major effort is needed to address the limitations of TCP. Explain why this is the case.
ajaysoni1924
asked
in
Computer Networks
Mar 18, 2019
by
ajaysoni1924
525
views
computer-networks
tanenbaum
transport-layer
tcp
ipv6
1
vote
1
answer
87
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 34 (Page No. 609)
What is the fastest line speed at which a host can blast out 1500-byte TCP payloads with a 120-sec maximum packet lifetime without having the sequence numbers wrap around? Take TCP, IP, and Ethernet overhead into consideration. Assume that Ethernet frames may be sent continuously.
ajaysoni1924
asked
in
Computer Networks
Mar 18, 2019
by
ajaysoni1924
3.9k
views
computer-networks
tanenbaum
transport-layer
tcp
0
votes
1
answer
88
Andrew S. Tanenbaum Edition 5th Exercise 6 Question 33 (Page No. 609)
A TCP machine is sending full windows of 65,535 bytes over a 1-Gbps channel that has a 10-msec one-way delay. What is the maximum throughput achievable? What is the line efficiency?
ajaysoni1924
asked
in
Computer Networks
Mar 18, 2019
by
ajaysoni1924
1.0k
views
computer-networks
tanenbaum
transport-layer
tcp
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