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UNIT 1

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• Basics

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Questions

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Introduction to Distributed Systems

1. Topic 1: Introduction to Distributed Systems

   March 2024

   • Q1 a) Explain the concept of Heterogeneity in Distributed System. How it deals with Heterogeneity? [5]
     • Answer
   • Q1 b) Enlist the main challenges while designing the Distributed System. Explain the role of mobile code and virtual machine in handling the design challenge of heterogeneity. [5]
     • Answer
   • Q2 a) Explain what is meant by distribution transparency and give examples of different types of transparency. [5]
     • Answer

   February 2023

   • Q1 a) Describe precisely what is meant by a scalable system. Scalability can be achieved by applying different techniques. What are these techniques. [5]
     • Answer
   • Q2 a) Explain what is meant by distribution transparency and give example of different types of transparency. [5]
     • Answer

2. Topic 2: Distributed Computing Models

   March 2024

   • Q1 c) What are the two architectural styles stemming from the role of individual processes? Discuss in brief, the placement strategies in Peer-to-Peer architecture. [5]
     • Answer
   • Q2 b) Explain in brief, various system models to capture the properties and design issues of distributed systems. [5]
     • Answer
   • Q2 c) What are the entities that are communicating in the distributed system? Discuss in brief, how do they communicate using communication paradigm? [5]
     • Answer

   February 2023

   • Q1 c) What are the two architectural styles stemming from the role of individual processes? Discuss in brief, the placement strategies in Peer-to-Peer architecture. [5]
     • Answer
   • Q2 b) What are fundamental models? Discuss in brief, the interaction, failure, and security aspects in the fundamental models. [5]
     • Answer
   • Q2 c) What are the entities that are communicating in the distributed system? Discuss in brief, how do they communicate using communication paradigm? [5]
     • Answer

3. Topic 3: Case Study: WWW 1.0, 2.0, 3.0

   February 2023

   • Q1 b) Explain the concept of Web Service. Illustrate an application with suitable diagram that combines other web services. [5]
   • Answer

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UNIT 2

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• Basics

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Questions

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Middleware

1. Topic 1: Introduction to Middleware

   March 2024

   February 2023

   • Q3 a) What is the concept of middleware? Explain in brief, Message Oriented and Content Centric Middleware. [5]
     • Answer

2. Topic 2: RMI (Remote Method Invocation)

   March 2024

   • Q4 b) Discuss the following middleware objects in RMI: i) Proxy ii) Dispatcher [5]
     • Answer

   February 2023

   • Q3 b) Differentiate between RMI and CORBA. [5]
     • Answer

3. Topic 3: CORBA (Common Object Request Broker Architecture)

   March 2024

   • Q3 b) What is CORBA? Give a brief description of the marshalling operation in CORBA with suitable example. [5]
     • Answer

   February 2023

   • Q3 b) Differentiate between RMI and CORBA. [5]
     • Answer
   • Q4 a) What CORBA means? Explain the purpose of IDL in CORBA with suitable example. [5]
     • Answer

4. Topic 4: General Approaches to Adaptive Software

   February 2023

   • Q4 c) What is adaptive software? Describe the concept of Separation of concerns and computational reflection in relation to adaptive software. [5]
     • Answer

5. Topic 13: Distributed Computing Environment (DCE)

   March 2024

   February 2023

   • Q3 c) What is DCE? Discuss in brief, the various components of DCE. [5]
     • Answer

6. Topic 6: Case Study: XML Based Middleware

   March 2024

   • Q4 a) What is External Data Representation (XDR)? Explain in brief, three alternative approaches to external data representation. [5]
     • Answer

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graph TD
    A["ALL THE BEST! 🌟"]:::special --> B["@HustlerX01"]:::username
    B --> C["You've Got This! 💫"]:::motivation
    C --> D["Stay Focused 🎯"]:::action
    C --> E["Stay Calm 🧘"]:::action
    C --> F["Stay Confident 💪"]:::action
    D --> G["Success Awaits! 🏆"]:::success
    E --> G
    F --> G

classDef special fill:#E3F2FD,stroke:#1976D2,stroke-width:3px,color:#0D47A1
classDef username fill:#E8F5E9,stroke:#388E3C,stroke-width:2px,color:#1B5E20
classDef motivation fill:#FFF3E0,stroke:#F57C00,stroke-width:2px,color:#E65100
classDef action fill:#F3E5F5,stroke:#7B1FA2,stroke-width:2px,color:#4A148C
classDef success fill:#FAFAFA,stroke:#424242,stroke-width:3px,color:#212121

%% Using a softer, more professional color palette
%% Improved contrast for better readability
%% Consistent color theme across nodes
%% Balanced stroke widths for visual harmony

https://embed.notionlytics.com/wt/ZXlKM2IzSnJjM0JoWTJWVWNtRmphMlZ5U1dRaU9pSm1XVXB1UVhReFlsVjJPRGwxYXpFNE0xTnVlaUlzSW5CaFoyVkpaQ0k2SWpGaU1XRTVOR05oWldObU5UZ3hOekJoTWpaaVkySXhZMk0yTXpaaE9EY3hJbjA9