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EndsemMay 20232019 patternBE IT

Distributed Systems SPPU Endsem Question Paper May 2023

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated Distributed Systems questions
Subject code
414450
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2½ Hours
Semester
VIII
Paper code
[6004]-574

Printed for: B. E. (Information Technology)

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8.
  2. Figures to right indicate full marks.
  3. Neat diagrams must be drawn wherever necessary.
  4. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      What are the general characteristics of inter-process communication? What are various types of Synchronous and asynchronous communication in IPC? Why it is blocking receive has no disadvantages in Java.

      Also asked:Nov 2025

      [8]
    2. b)

      What is Network virtualization? What are the types of overlay networks? What are the various advantages of overlay networks?

      [9]

  2. Q2

    1. a)

      Describe Lamport’s clock algorithm and give an example of how to order events in a distributed system. What are the algorithm’s limitations?

      [8]
    2. b)

      Why do we need an election algorithm? Using appropriate diagrams. describe the bully algorithm step-by-step.

      [9]

  3. Q3

    1. a)

      What are the key issues in Replica Management? Explain the following with respect to content replication and placement with suitable diagram. i) Permanent Replicas ii) Server-Initiated Replicas iii) Client-Initiated Replicas

      Also asked:Nov 2023

      [9]
    2. b)

      What is a primary-based protocol in a consistency protocol? Explain the working of replicated write protocols with active replication. 2

      Also asked:May 2025

      [9]

  4. Q4

    1. a)

      What is checkpointing in a distributed system? Explain the working of Coordinated checkpointing recovery mechanism.

      Also asked:May 2025 ·Nov 2024 ·May 2024

      [9]
    2. b)

      What are two primary reasons for replication? Explain the causal consistency model with suitable example using distributed shared database.

      Also asked:May 2024

      [9]

  5. Q5

    1. a)

      Describe the architecture of Sun Network File System in details.

      Also asked:Nov 2025 ·May 2025

      [8]
    2. b)

      What is a Directory Service? What is the difference between DNS and x500? Describe in detail the components of X.500 service architecture.

      Also asked:May 2025 ·Nov 2024 ·May 2024

      [9]

  6. Q6

    1. a)

      Describe the design of a peer-to-peer download system designed to support very large multimedia files. How does the BitTorrent protocol operate?

      Also asked:Nov 2025 ·May 2025

      [8]
    2. b)

      What are web services? Describe with a suitable diagram the general organization of the Apache web server.

      Also asked:May 2025 ·Nov 2024 ·May 2024

      [9]

  7. Q7

    1. a)

      Explain the following in brief: i) Wearable devices ii) PVM iii) JINI

      Also asked:Nov 2025 ·May 2025 ·Nov 2024

      [9]
    2. b)

      Explain with an application (e.g., Travel Booking Service) various key components of Service Oriented Architecture.

      Also asked:May 2024

      [9]

  8. Q8

    1. a)

      Explain in brief the following Distributed System monitoring tools: i) Zabbix ii) Nagios

      Also asked:May 2025 ·Nov 2024 ·May 2024

      [9]
    2. b)

      Explain in brief following Microkernels. i) Mach ii) CHORUS 

      Also asked:Nov 2025 ·May 2025

      [9]