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Gujarat Technological UniversityWinter 2025 Examination

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

B.E. · Computer Engineering · Semester 7 · Subject Code: 3170719
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Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)
Explain, Why network system protocols are unsuitable for distributed systems?
3 Marks
(b)

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

4 Marks
(c)
Discuss the desirable features of a good message-passing system.
7 Marks

Question 2

14 MarksMedium
(a)
Define scalability, Fault Tolerance and Replication.
3 Marks
(b)
What is flat naming and structured naming?
4 Marks
(c)
Briefly explain different architectural styles of distributed system.
7 Marks
OR OPTION
(c)
Define virtualization. Explain architecture of virtual machine.
7 Marks

Question 3

14 MarksMedium
(a)
Explain working of Encoding and Decoding of Message Data.
3 Marks
(b)
Explain the Mutual exclusion in centralized and distributed approach.
4 Marks
(c)
What is Replication? Write about motivations for replication.
7 Marks
OR OPTION
(a)
Define failure? List down various reasons for the occurrence of failure.
3 Marks
(b)
Explain Election Algorithm for Synchronization in Distributed System.
4 Marks
(c)

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

7 Marks

Question 4

14 MarksMedium
(a)
Explain Firewall in detail.
3 Marks
(b)
What is cryptography? What is the use of cryptography?
4 Marks
(c)
What is atomic broadcast? Explain Group Communication Mechanism.
7 Marks
OR OPTION
(a)
What is Denial of Service? Explain briefly.
3 Marks
(b)
Difference between Authorization and Authentication.
4 Marks
(c)
Write short note on data – centric consistency models.
7 Marks

Question 5

14 MarksMedium
(a)
What is multicasting? List the characteristics of multicasting.
3 Marks
(b)
Briefly explain distributed commit and recovery in distributed systems.
4 Marks
(c)
Write a short note on: Distributed object-based system.
7 Marks
OR OPTION
(a)
List down requirements for distributed file system.
3 Marks
(b)
Discuss persistent and non-persistent HTTP connection.
4 Marks
(c)
What is RPC? Discuss the design issues for RPC.
7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions 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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