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Previous year question hub

TCP, Socket Interfaces and Application Protocols - Computer Networks - Computer Science & Information Technology Previous Year Questions

Practice TCP, Socket Interfaces and Application Protocols - Computer Networks - Computer Science & Information Technology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

27Papers
18Years
45Questions
1Topics

TCP, Socket Interfaces and Application Protocols question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for TCP, Socket Interfaces and Application Protocols. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 28 62.2%
Medium 16 35.6%
Hard 1 2.2%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 30 66.7%
Numerical Answer Type (NAT) 10 22.2%
MSQ 5 11.1%

Subject weightage

Top subjects by unique question coverage.

Computer Science & Information Technology
45 Qs

Most asked topics

Top topics across the included previous year papers.

Computer Networks
45 Qs

Subtopic coverage

Top subtopics inside this exact selection.

TCP, Socket Interfaces and Application Protocols
45 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Computer Science and Information Technology (CS) 2026
3 Qs
Computer Science and Information Technology (CS) 2026
1 Qs
Computer Science & Information Technology (CS) 2025 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2025 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2024 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2024 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2023 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2022 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2021 [Session 1]
1 Qs
Computer Science & Information Technology (CS) 2021 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2020 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2019 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2018 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2017 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2016 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2016 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2015 [Session 2]
1 Qs
Computer Science & Information Technology (CS) 2014 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2014 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2013 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2013 [Session 2]
2 Qs
Computer Science & Information Technology (CS) 2013 [Session 3]
2 Qs
Computer Science & Information Technology (CS) 2013 [Session 4]
2 Qs
Computer Science & Information Technology (CS) 2010
1 Qs
Computer Science & Information Technology (CS) 2009
2 Qs
Computer Science & Information Technology (CS) 2008
4 Qs
Computer Science & Information Technology (CS) 2007
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Computer Science and Information Technology (CS) 202620263View paper
Computer Science and Information Technology (CS) 202620261View paper
Computer Science & Information Technology (CS) 2025 [Session 1]20251View paper
Computer Science & Information Technology (CS) 2025 [Session 2]20251View paper
Computer Science & Information Technology (CS) 2024 [Session 1]20241View paper
Computer Science & Information Technology (CS) 2024 [Session 2]20241View paper
Computer Science & Information Technology (CS) 2023 [Session 2]20232View paper
Computer Science & Information Technology (CS) 2022 [Session 2]20221View paper
Computer Science & Information Technology (CS) 2021 [Session 1]20211View paper
Computer Science & Information Technology (CS) 2021 [Session 2]20211View paper
Computer Science & Information Technology (CS) 2020 [Session 2]20202View paper
Computer Science & Information Technology (CS) 2019 [Session 2]20191View paper
Computer Science & Information Technology (CS) 2018 [Session 2]20183View paper
Computer Science & Information Technology (CS) 2017 [Session 2]20171View paper
Computer Science & Information Technology (CS) 2016 [Session 1]20162View paper
Computer Science & Information Technology (CS) 2016 [Session 2]20162View paper
Computer Science & Information Technology (CS) 2015 [Session 2]20151View paper
Computer Science & Information Technology (CS) 2014 [Session 1]20142View paper
Computer Science & Information Technology (CS) 2014 [Session 2]20142View paper
Computer Science & Information Technology (CS) 2013 [Session 1]20132View paper
Computer Science & Information Technology (CS) 2013 [Session 2]20132View paper
Computer Science & Information Technology (CS) 2013 [Session 3]20132View paper
Computer Science & Information Technology (CS) 2013 [Session 4]20132View paper
Computer Science & Information Technology (CS) 201020101View paper
Computer Science & Information Technology (CS) 200920092View paper
Computer Science & Information Technology (CS) 200820084View paper
Computer Science & Information Technology (CS) 200720071View paper

All TCP, Socket Interfaces and Application Protocols previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2007

Which one of the following uses UDP as the transport protocol?

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2
2008 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2008

What is the maximum size of data that the application layer can pass on to the TCP layer below?

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3
2008 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2008

Which of the following system calls results in the sending of SYN packets?

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4
2008 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2008

In the slow start phase of the TCP congestion control algorithm, the size of the congestion window

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5
2008 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2008

A client process P needs to make a TCP connection to a server process S. Consider the following situation: the server process S executes a socket(), a bind() and a listen() system call in that order, following which it is preempted. Subsequently, the client process P executes a socket() system call followed by connect() system call to connect to the server process S. The server process has not executed any accept() system call. Which one of the following events could take place?

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6
2009 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2009
In the RSA public key cryptosystem, the private and public keys are (e, n) and (d, n) respectively, where n = p*q and p and q are large primes. Besides, n is public and p and q are private. Let M be an integer such that 0 < M < n and φ(n) = (p−1)(q−1). Now consider the following equations.
I. M' = Me mod n
M = (M')d mod n
II. ed ≡ 1 mod n
III. ed ≡ 1 mod φ(n)
IV. M' = Me mod φ(n)
M = (M')d mod φ(n)
Which of the above equations correctly represent RSA cryptosystem ?
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7
2009 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2009
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. The clock counter increments once per millisecond. The maximum packet lifetime is given to be 64s.
Which one of the choices given below is closest to the minimum permissible rate at which sequence numbers used for packets of a connection can increase ?
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8
2010 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2010

Which one of the following is not a client-server application?

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9
2013 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2013 [Session 1]

The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are

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10
2013 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2013 [Session 1]
Using public key cryptography, X adds a digital signature \(\sigma\) to message M, encrypts \(\), and sends it to Y, where it is decrypted. Which one of the following sequences of keys is used for the operations?
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11
2013 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2013 [Session 2]
Using public key cryptography, X adds a digital signature σ to message M, encrypts <M, σ>, and sends it to Y, where it is decrypted. Which one of the following sequences of keys is used for the operations?
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12
2013 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2013 [Session 4]
Using public key cryptography, X adds a digital signature σ to message M, encrypts , and sends it to Y, where it is decrypted. Which one of the following sequences of keys is used for the operations?
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13
2014 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2014 [Session 1]
Which of the following are used to generate a message digest by the network security protocols?
(P) RSA (Q) SHA-1 (R) DES (S) MD5
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14
2014 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2014 [Session 1]
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 __________.
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15
2014 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2014 [Session 2]
Which one of the following socket API functions converts an unconnected active TCP socket into a passive socket?
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16
2014 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2014 [Session 2]
A graphical HTML browser resident at a network client machine Q accesses a static HTML webpage from a HTTP server S. The static HTML page has exactly one static embedded image which is also at S. Assuming no caching, which one of the following is correct about the HTML webpage loading (including the embedded image)?
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17
2015 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2015 [Session 2]
Assume that the bandwidth for a TCP connection is 1048560 bits/sec. Let α be the value of RTT in milliseconds (rounded off to the nearest integer) after which the TCP window scale option is needed. Let β be the maximum possible window size with window scale option. Then the values of α and β are
(A) 63 milliseconds, 65535 x 214
(B) 63 milliseconds, 65535 x 216
(C) 500 milliseconds, 65535 x 214
(D) 500 milliseconds, 65535 x 216
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18
2016 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2016 [Session 1]
Which of the following is/are example(s) of stateful application layer protocols?
(i) HTTP
(ii) FTP
(iii) TCP
(iv) POP3
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19
2016 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2016 [Session 1]
Consider that B wants to send a message m that is digitally signed to A. Let the pair of private and public keys for A and B be denoted by Kx− and Kx+ for x = A, B, respectively. Let Kx(m) represent the operation of encrypting m with a key Kx and H(m) represent the message digest. Which one of the following indicates the CORRECT way of sending the message m along with the digital signature to A?
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20
2016 · Computer Science & Information Technology · Computer Networks · TCP, Socket Interfaces and Application Protocols
Computer Science & Information Technology (CS) 2016 [Session 2]
Consider that B wants to send a message \( m \) that is digitally signed to A. Let the pair of private and public keys for A and B be denoted by \( K_x^- \) and \( K_x^+ \) for \( x = A, B \), respectively. Let \( K_x(m) \) represent the operation of encrypting \( m \) with a key \( K_x \) and \( H(m) \) represent the message digest. Which one of the following indicates the CORRECT way of sending the message \( m \) along with the digital signature to A?
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