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Previous year question hub

Computer Networks - Computer Science & Information Technology Previous Year Questions

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

30Papers
19Years
149Questions
1Topics

Computer Networks question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 77 51.7%
Medium 71 47.7%
Hard 1 0.7%

Question type distribution

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

MCQ 98 65.8%
Numerical Answer Type (NAT) 36 24.2%
MSQ 13 8.7%
Fill in the blanks 2 1.3%

Subject weightage

Top subjects by unique question coverage.

Computer Science & Information Technology
149 Qs

Most asked topics

Top topics across the included previous year papers.

Computer Networks
149 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Network Layers and Switching
57 Qs
TCP, Socket Interfaces and Application Protocols
48 Qs
Data-link Protocols and Error Detection
30 Qs
Routing and IPv4
14 Qs

Paper coverage

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

Computer Science and Information Technology (CS) 2026
6 Qs
Computer Science and Information Technology (CS) 2026
5 Qs
Computer Science & Information Technology (CS) 2025 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2025 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2024 [Session 1]
6 Qs
Computer Science & Information Technology (CS) 2024 [Session 2]
6 Qs
Computer Science & Information Technology (CS) 2023 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2022 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2021 [Session 1]
4 Qs
Computer Science & Information Technology (CS) 2021 [Session 2]
4 Qs
Computer Science & Information Technology (CS) 2020 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2019 [Session 2]
4 Qs
Computer Science & Information Technology (CS) 2018 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2017 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2017 [Session 1]
2 Qs
Computer Science & Information Technology (CS) 2016 [Session 1]
5 Qs
Computer Science & Information Technology (CS) 2016 [Session 2]
5 Qs
Computer Science & Information Technology (CS) 2015 [Session 2]
3 Qs
Computer Science & Information Technology (CS) 2014 [Session 1]
6 Qs
Computer Science & Information Technology (CS) 2014 [Session 2]
6 Qs
Computer Science & Information Technology (CS) 2014 [Session 3]
6 Qs
Computer Science & Information Technology (CS) 2013 [Session 1]
6 Qs
Computer Science & Information Technology (CS) 2013 [Session 3]
5 Qs
Computer Science & Information Technology (CS) 2013 [Session 4]
5 Qs
Computer Science & Information Technology (CS) 2013 [Session 2]
4 Qs
Computer Science & Information Technology (CS) 2011
5 Qs
Computer Science & Information Technology (CS) 2010
5 Qs
Computer Science & Information Technology (CS) 2009
5 Qs
Computer Science & Information Technology (CS) 2008
6 Qs
Computer Science & Information Technology (CS) 2007
8 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Network Layers and Switching

Explore previous-paper coverage, trends and focused practice for Network Layers and Switching.

57 questions26 papers17 years

TCP, Socket Interfaces and Application Protocols

Explore previous-paper coverage, trends and focused practice for TCP, Socket Interfaces and Application Protocols.

48 questions29 papers19 years

Data-link Protocols and Error Detection

Explore previous-paper coverage, trends and focused practice for Data-link Protocols and Error Detection.

30 questions20 papers13 years

Routing and IPv4

Explore previous-paper coverage, trends and focused practice for Routing and IPv4.

14 questions10 papers10 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Computer Science and Information Technology (CS) 20262026
5 questions in this view		2026
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science and Information Technology (CS) 20262026
6 questions in this view		2026
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2025 [Session 1]2025
4 questions in this view		2025
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2025 [Session 2]2025
5 questions in this view		2025
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2024 [Session 1]2024
6 questions in this view		2024
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2024 [Session 2]2024
6 questions in this view		2024
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2023 [Session 2]2023
5 questions in this view		2023
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2022 [Session 2]2022
5 questions in this view		2022
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2021 [Session 1]2021
4 questions in this view		2021
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2021 [Session 2]2021
4 questions in this view		2021
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Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2020 [Session 2]2020
3 questions in this view		2020
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2019 [Session 2]2019
4 questions in this view		2019
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2018 [Session 2]2018
5 questions in this view		2018
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2017 [Session 1]2017
2 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2017 [Session 2]2017
5 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2016 [Session 1]2016
5 questions in this view		2016
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2016 [Session 2]2016
5 questions in this view		2016
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2015 [Session 2]2015
3 questions in this view		2015
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 1]2014
6 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 2]2014
6 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2014 [Session 3]2014
6 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 1]2013
6 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 2]2013
4 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 3]2013
5 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 2013 [Session 4]2013
5 questions in this view		2013
ExamElite PDFs
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20112011
5 questions in this view		2011
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20102010
5 questions in this view		2010
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ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20092009
5 questions in this view		2009
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20082008
6 questions in this view		2008
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Computer Science & Information Technology (CS) 20072007
8 questions in this view		2007
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Official documents
Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Computer Science & Information Technology · Computer Networks · Data-link Protocols and Error Detection
Computer Science & Information Technology (CS) 2007

In Ethernet when Manchester encoding is used, the bit rate is:

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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
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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4
2010 · Computer Science & Information Technology · Computer Networks · Network Layers and Switching
Computer Science & Information Technology (CS) 2010

One of the header fields in an IP datagram is the Time-to-Live (TTL) field. Which of the following statements best explains the need for this field?

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5
2013 · Computer Science & Information Technology · Computer Networks · Network Layers and Switching
Computer Science & Information Technology (CS) 2013 [Session 1]
Match the problem domains in GROUP I with the solution technologies in GROUP II.
GROUP IGROUP II
(P) Service oriented computing(1) Interoperability
(Q) Heterogeneous communicating systems(2) BPMN
(R) Information representation(3) Publish-find-bind
(S) Process description(4) XML
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6
2013 · Computer Science & Information Technology · Computer Networks · Network Layers and Switching
Computer Science & Information Technology (CS) 2013 [Session 2]
Assume that source S and destination D are connected through two intermediate routers labeled R. Determine how many times each packet has to visit the network layer and the data link layer during a transmission from S to D.
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