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Recent questions tagged tcp
11
votes
5
answers
271
ISRO2015-53
An ACK number of $1000$ in TCP always means that $999$ bytes have been successfully received $1000$ bytes have been successfully received $1001$ bytes have been successfully received None of the above
ajit
asked
in
Computer Networks
Oct 15, 2015
by
ajit
8.3k
views
isro2015
computer-networks
tcp
41
votes
4
answers
272
GATE CSE 2015 Set 3 | Question: 22
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
go_editor
asked
in
Computer Networks
Feb 14, 2015
by
go_editor
12.3k
views
gatecse-2015-set3
computer-networks
tcp
normal
47
votes
9
answers
273
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
makhdoom ghaya
asked
in
Computer Networks
Feb 12, 2015
by
makhdoom ghaya
18.8k
views
gatecse-2015-set1
computer-networks
tcp
normal
70
votes
5
answers
274
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}$
go_editor
asked
in
Computer Networks
Feb 12, 2015
by
go_editor
27.7k
views
gatecse-2015-set2
computer-networks
difficult
tcp
0
votes
2
answers
275
TCP connection
Suppose a client C repeatedly connects via TCP to a given port on a server S, and that each time it is C that initiates the close. If time-wait state lasts for 60 seconds, then how many TCP connections a second can 'C' make with all available ports? Assume client port are in the range of 1024 to 5119. A) 70 per sec B)10 per sec C) 13 per sec D) 100 per sec
tushark
asked
in
Computer Networks
Nov 4, 2014
by
tushark
1.4k
views
computer-networks
tcp
26
votes
7
answers
276
GATE IT 2004 | Question: 28
In TCP, a unique sequence number is assigned to each byte word segment message
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
11.1k
views
gateit-2004
computer-networks
tcp
normal
24
votes
3
answers
277
GATE IT 2004 | Question: 23
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
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
10.9k
views
gateit-2004
computer-networks
tcp
normal
41
votes
9
answers
278
GATE IT 2006 | Question: 69
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 $Z$
Ishrat Jahan
asked
in
Computer Networks
Nov 1, 2014
by
Ishrat Jahan
14.0k
views
gateit-2006
computer-networks
tcp
udp
normal
42
votes
4
answers
279
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 $230$
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
10.4k
views
gateit-2007
computer-networks
tcp
normal
33
votes
5
answers
280
GATE IT 2007 | Question: 13
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 TCP ... $(ii)$ are false, but $(iii)$ is true $(i), (ii)$ and $(iii)$ are false
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
11.4k
views
gateit-2007
computer-networks
tcp
normal
46
votes
3
answers
281
GATE IT 2008 | Question: 69
The three way handshake for $\text{TCP}$ connection establishment is shown below. Which of the following statements are TRUE? $S1:$ Loss of $\text{SYN} + \text{ACK}$ from the server will not establish a connection $S2:$ Loss of $\text{ACK}$ from the client cannot establish ... on no packet loss $S2$ and $S3$ only $S1$ and $S4$ only $S1$ and $S3$ only $S2$ and $S4$ only
Ishrat Jahan
asked
in
Computer Networks
Oct 29, 2014
by
Ishrat Jahan
15.2k
views
gateit-2008
computer-networks
tcp
normal
82
votes
12
answers
282
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 _________.
go_editor
asked
in
Computer Networks
Sep 26, 2014
by
go_editor
37.6k
views
gatecse-2014-set1
computer-networks
tcp
congestion-control
numerical-answers
normal
29
votes
4
answers
283
GATE CSE 2012 | Question: 22
Which of the following transport layer protocols is used to support electronic mail? $\textsf{SMTP}$ $\textsf{IP}$ $\textsf{TCP}$ $\textsf{UDP}$
Arjun
asked
in
Computer Networks
Sep 25, 2014
by
Arjun
20.1k
views
gatecse-2012
computer-networks
tcp
easy
27
votes
4
answers
284
GATE CSE 2013 | Question: 12
The transport layer protocols used for real time multimedia, file transfer, $\textsf{DNS}$ and email, respectively are $\textsf{TCP, UDP, UDP}\; \text{and}\; \textsf{TCP}$ $\textsf{UDP, TCP, TCP}\; \text{and}\; \textsf{UDP}$ $\textsf{UDP, TCP, UDP}\; \text{and}\; \textsf{TCP}$ $\textsf{TCP, UDP, TCP}\;\text{and}\; \textsf{UDP}$
Arjun
asked
in
Computer Networks
Sep 23, 2014
by
Arjun
11.9k
views
gatecse-2013
computer-networks
tcp
udp
easy
30
votes
5
answers
285
GATE CSE 2005 | Question: 23
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
Kathleen
asked
in
Computer Networks
Sep 22, 2014
by
Kathleen
19.5k
views
gatecse-2005
computer-networks
tcp
udp
easy
86
votes
7
answers
286
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
Kathleen
asked
in
Computer Networks
Sep 22, 2014
by
Kathleen
25.3k
views
gatecse-2009
computer-networks
tcp
difficult
ambiguous
66
votes
3
answers
287
GATE CSE 2004 | Question: 56
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 ... $200$ $220$ $240$ $260$
Kathleen
asked
in
Computer Networks
Sep 18, 2014
by
Kathleen
23.0k
views
gatecse-2004
computer-networks
ip-addressing
tcp
normal
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