NPTEL Cloud Computing Week 2 Assignment Answers 2024 (July-October)

As we progress through the NPTEL Cloud Computing course, Week 2 introduces essential concepts that form the foundation of cloud computing and related technologies. Here are the detailed answers to the Week 2 assignment, providing clear insights and explanations for each question.

Week 02: Assignment 02 - Solutions and Explanations

1. Service-Oriented Architecture (SOA) possesses __________.

• Answer: A service provider, service requestor and service broker
• Reason: SOA is a design pattern based on distinct pieces of software providing application functionality as services to other applications. The key components include a service provider, service requestor, and service broker.

2. XML is designed to describe __________.

• Answer: data
• Reason: XML (eXtensible Markup Language) is designed to store and transport data. It focuses on what data is and is used to encode documents in a format that is both human-readable and machine-readable.

3. SOAP (Simple Object Access Protocol) does not restrict the endpoint implementation technology choices. SOAP is a platform-neutral choice.

• Answer: True
• Reason: SOAP is designed to be platform- and language-neutral, allowing different software applications to communicate over a network. It uses XML to encode its HTTP-based messages, ensuring compatibility across different systems.

4. A Cyber Physical Cloud Computing (CPCC) architectural framework is a __________ environment that can rapidly build, modify and provision cyber-physical systems composed of a set of __________ based sensor, processing, control, and data services.

• Answer: single, system
• Reason: CPCC is a framework for cyber-physical systems integrating computational and physical processes. A single environment that manages system-based services is essential for ensuring integrated and efficient operation.

5. Network Virtualization is a __________ environment that allows __________ service providers to dynamically compose __________ virtual networks.

• Answer: networking, multiple, multiple
• Reason: Network virtualization involves creating virtual networks that operate independently of the physical network infrastructure, allowing multiple service providers to manage multiple virtual networks.

6. Customized wearable devices for collecting health parameters are the best examples of __________.

• Answer: IoT
• Reason: Wearable devices, such as fitness trackers and smartwatches, are part of the Internet of Things (IoT) ecosystem, designed to collect and exchange data over the internet.

7. Dev Computing is a paradigm where on-premises computers provide functionality that is __________ of cloud services and is also collaborative with cloud services.

• Answer: independent
• Reason: Dev Computing involves leveraging local (on-premises) resources that can operate independently but still collaborate with cloud-based services for enhanced functionality.

8. SOAP uses __________ as transport protocol.

• Answer: HTTP
• Reason: SOAP typically uses HTTP as its transport protocol, making it easy to pass through firewalls and proxies without modification.

9. Virtual Machine Monitor is also known as __________.

• Answer: Hypervisor
• Reason: A Virtual Machine Monitor (VMM), or hypervisor, is software that creates and runs virtual machines. It abstracts the physical hardware to provide virtual hardware to each VM.

10. Which of the following is/are XML parser APIs?

• Answer: SAX (Simple API to XML)
• Reason: SAX (Simple API for XML) is a common API used for parsing XML documents. It is event-driven and provides a mechanism for parsing XML documents in a memory-efficient way

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