Gujarat Technological UniversityWinter 2025 examination

GTU 3170719 Distributed System (DS) Winter 2025 Question Paper & PDF

B.E. · Computer Engineering · Semester 7 · Subject code 3170719
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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15 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 20 repeated 3170719 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Explain, Why network system protocols are unsuitable for distributed systems?
(b)
4 marksAsked in 2 of 4 papers

What is a Distributed System? State any three advantages and disadvantages of distributed systems with respect to centralize systems.

Also asked in Summer 2026 Q1b

(c)
7 marksAsked in 2 of 4 papers
Discuss the desirable features of a good message-passing system.

Also asked in Summer 2025 Q2c

Q.2

14 Marks
(a)
3 marks
Define scalability, Fault Tolerance and Replication.
(b)
4 marksAsked in 2 of 4 papers
What is flat naming and structured naming?

Also asked in Summer 2025 Q3b

(c)
7 marksAsked in 3 of 4 papers
Briefly explain different architectural styles of distributed system.

Also asked in Summer 2025 Q1c, Summer 2024 Q1c

(c)
7 marksAsked in 2 of 4 papers
Define virtualization. Explain architecture of virtual machine.

Also asked in Summer 2026 Q4a

Q.3

14 Marks
(a)
3 marks
Explain working of Encoding and Decoding of Message Data.
(b)
4 marksAsked in 2 of 4 papers
Explain the Mutual exclusion in centralized and distributed approach.

Also asked in Summer 2024 Q3c OR

(c)
7 marksAsked in 2 of 4 papers
What is Replication? Write about motivations for replication.

Also asked in Summer 2025 Q5a OR

(a)
3 marks
Define failure? List down various reasons for the occurrence of failure.
(b)
4 marksAsked in 3 of 4 papers
Explain Election Algorithm for Synchronization in Distributed System.

Also asked in Summer 2026 Q4c OR, Summer 2025 Q3c

(c)
7 marksAsked in 4 of 4 papers

Define causal ordering. Explain how logical clocks are implemented in distributed systems.

Also asked in Summer 2026 Q5a, Summer 2025 Q3c OR, Summer 2024 Q3c

Q.4

14 Marks
(a)
3 marks
Explain Firewall in detail.
(b)
4 marks
What is cryptography? What is the use of cryptography?
(c)
7 marks
What is atomic broadcast? Explain Group Communication Mechanism.
(a)
3 marksAsked in 3 of 4 papers
What is Denial of Service? Explain briefly.

Also asked in Summer 2026 Q2b, Summer 2025 Q5b OR

(b)
4 marksAsked in 3 of 4 papers
Difference between Authorization and Authentication.

Also asked in Summer 2026 Q5c OR, Summer 2025 Q5a

(c)
7 marks
Write short note on data – centric consistency models.

Q.5

14 Marks
(a)
3 marksAsked in 2 of 4 papers
What is multicasting? List the characteristics of multicasting.

Also asked in Summer 2026 Q4a OR

(b)
4 marksAsked in 3 of 4 papers
Briefly explain distributed commit and recovery in distributed systems.

Also asked in Summer 2026 Q5b, Summer 2025 Q4b

(c)
7 marks
Write a short note on: Distributed object-based system.
(a)
3 marksAsked in 3 of 4 papers
List down requirements for distributed file system.

Also asked in Summer 2026 Q3c OR, Summer 2024 Q5c

(b)
4 marks
Discuss persistent and non-persistent HTTP connection.
(c)
7 marksAsked in 2 of 4 papers
What is RPC? Discuss the design issues for RPC.

Also asked in Summer 2026 Q2c

More Distributed System papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions · Solved
Summer 202570 marks · 5 questions
Summer 202470 marks · 5 questions

Other Semester 7 subjects

BE Computer

2170701
Compiler Design
2170709
Information and Network Security
2170710
Mobile Computing and Wireless Communication
2170714
Distributed DBMS

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About this paper

Official Gujarat Technological University (GTU) examination paper for Distributed System (DS) (Winter 2025, B.E. · Computer Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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