Cloud Computing Nptel Week 2 Assignment Answers
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Course name: Cloud Computing
Table of Contents
Cloud Computing Nptel Week 2 Assignment Answers (Jan-Apr 2026)
Que1. Para-virtualization is best described as:
a) Running an unmodified guest OS on top of a hypervisor with full CPU trapping
b) Modifying the guest OS to use hypervisor-aware interfaces for certain privileged operations
c) Emulating hardware in software so guests don’t need any changes
d) Running containers that share the host kernel
Que2. Which statement about a community cloud is MOST accurate?
a) Owned and operated by a single organization for its exclusive use
b) Shared infrastructure among several organizations with similar compliance/regulatory needs
c) A public cloud account with extra IAM roles
d) Always the most cost-effective option for small startups
Que3. When an organization considers using an outsourced private cloud (i.e., a private cloud hosted/operated by a third party), which of the following should be explicitly considered?
(i) Network dependency and SLAs
(ii) Risks from multi-tenancy / co-residency
(iii) Legal/regulatory/compliance implications of where data is hosted
a) Only (i)
b) (i) and (ii) only
c) (ii) and (iii) only
d) (i), (ii), and (iii)
Que4. When processing very large XML files in a memory-constrained environment, and where the application needs explicit control over the parsing flow, which XML parser API is MOST appropriate?
a) DOM (loads the entire XML document into memory as a tree structure)
b) SAX (push-based, event-driven parsing with minimal memory usage but limited control)
c) StAX (pull-based, event-driven parsing offering low memory usage with explicit control)
d) All are equally suitable depending on developer preference
Que5. A hypervisor with hardware-assisted virtualization shows 40% CPU usage while VMs report only 15% utilization. What explains the 25% gap?
a) The hypervisor isn’t using hardware extensions; it’s relying on binary translation
b) Context switching, memory management, and I/O emulation overhead—normal in virtualized environments
c) Unmodified OS cannot fully utilize hardware virtualization
d) This indicates efficient resource overcommitment
Que6. Which statement clarifies “Hypervisor,” “Virtual Machine Monitor,” and “Cluster Manager”?
a) All four terms are synonymous
b) Hypervisor and Virtual Machine Monitor are synonymous; Virtual Machine Manager adds orchestration; Cluster Manager manages physical machines
c) Hypervisor = Type 1 only; Virtual Machine Monitor = Type 2 only
d) They refer to different layers in a multi-tier virtualization stack
Que7. Speed and flexibility are disadvantages of para-virtualization.
a) True
b) False
Que8. Which mechanism was specifically designed as a registry/discovery approach for web services?
a) SMS
b) HTTP (as a generic transfer protocol)
c) SMTP
d) UDDI (Universal Description, Discovery, and Integration)
Que9. Which of the following problems are effectively addressed by traditional web services, and which are NOT?
(i) Passing through firewalls using standard HTTP/HTTPS
(ii) Enabling interoperability across different programming languages and operating systems
(iii) Ultralow-latency, real-time inter-service communication
(iv) Service discovery through registries like UDDI
a) Only (i) and (ii) are addressed
b) (i), (ii), and (iv) are addressed; (iii) is NOT addressed
c) Only (ii) is addressed
d) All are addressed
Que10. Service-Oriented Architecture (SOA) models relationships primarily among:
a) Two entities (a service provider and a requestor) only
b) Two entities (a service provider and a broker) only
c) Three entities (a service provider, a service requestor, and a broker/registry)
d) Three entities (a service provider, a service requestor, and a hypervisor)
(July-Dec 2025)
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Question 1. What is/are the main difference(s) between virtualization and dual boot?
a) No difference between dual boot and virtualization
b) In virtualization, operating systems are not isolated from each other, but not in dual boot.
c) In a dual boot, both operating systems run simultaneously, but not in virtualization.
d) In virtualization, both operating systems run simultaneously, but not in dual boot.
Question 2. Ubuntu Enterprise Cloud (UEC) is an example of
a) Private cloud
b) Public cloud
c) Hybrid cloud
d) Community Cloud
Question 3. Organization should consider-(i) Network Dependency and (ii) Risks from multi-tenancy while thinking of deploying an outsourced private cloud.
a) Only (i) is true
b) Only (ii) is true
c) Both (i) and (ii) are true
d) None of (i) and (ii) are true
Question 4. Which of the following is/are XML parser API(s)?
a) XaaS (Anything as a Model)
b) DOM (Document Object Model)
c) CLI (Command Line Interface)
d) SLA (Service Level Agreement)
Question 5. The public cloud has a risk of multi-tenancy.
a) True
b) False
Question 6. In cloud computing, the Hypervisor is also known as
a) Cluster Manager
b) Virtual Machine Handler
c) Virtual Machine Manager
d) Virtual Machine Monitor
Question 7. Speed and flexibility are the two disadvantages of hardware-assisted virtualization.
a) True
b) False
Question 8. The following problems are addressed through Web services.
- Firewall
- Interoperability
- Complexity
- Speed
Question 9. A web service can be discovered using
a) SMS
b) HTTP
c) SMTP
d) UDDI
Question 10. Service-Oriented Architecture (SOA) consists of relationships between:
a) Two entities (a service provider and a requestor)
b) Two entities (a service provider and a broker)
c) Three entities (a service provider, a service requestor, and a broker)
d) Three entities (a service provider, a service requestor, and a hypervisor)
(Jan-Apr 2025 )
- The public cloud has a risk of multi-tenancy:
A. True
B. False
- Ubuntu Enterprise Cloud (UEC) is an example of:
A. Private cloud
B. Public cloud
C. Hybrid cloud
D. Community Cloud
- Organization should consider: (i) Network Dependency and (ii) Risks from multi-tenancy while thinking of deploying an outsourced private cloud.
A. Only (i)
B. Only (ii)
C. Both (i) and (ii)
D. None of (i) and (ii)
- Which of the following is/are XML parser API(s)?
A. XaaS (Anything as a Service)
B. DOM (Document Object Model)
C. CLI (Command Line Interface)
D. SLA (Service Level Agreement)
- What is/are the main difference(s) between virtualization and dual boot?
A. No difference between dual boot and virtualization
B. In virtualization, operating systems are not isolated from each other, but not in dual boot
C. In a dual boot, both operating systems run simultaneously, but not in virtualization
D. In virtualization, both operating systems run simultaneously, but not in dual boot
- In virtualization, a virtual machine monitor is also called:
A. Hypervisor
B. Short-term Scheduler
C. Analyzer
D. Parser
- Speed and flexibility are the two disadvantages of hardware-assisted virtualization:
A. True
B. False
- The following problems are addressed through Web services:
A. Firewall
B. Interoperability
C. Complexity
D. Speed
- A web service can be discovered using:
A. SMS
B. HTTP
C. SMTP
D. UDDI
- Service-Oriented Architecture (SOA) consists of relationships between:
A. Two entities (a service provider and a requestor)
B. Two entities (a service provider and a broker)
C. Three entities (a service provider, a service requestor, and a broker)
D. Three entities (a service provider, a service requestor, and a hypervisor)
(JULY-DEC 2024)
Q1.Service-Oriented Architecture (SOA) possess:
a) A service provider, service requestor and service broker
b) A service provider and service requestor
c) A service requestor and service broker
d) Only a service broker
Answer: a) A service provider, service requestor and service broker
Q2. XML is designed to describe _.
a) pricing
b) SLA
c) data
d) service
Answer: c) data
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These are Cloud Computing Nptel Week 2 Assignment Answers
Q3.SOAP (Simple Object Access Protocol) does not restrict the endpoint implementation technology choices. SOAP is a platform-neutral choice.
a) True
b) False
Answer: a) True
Q4.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.
a) system, cloud computing
b) cloud computing, system
c) system, edge computing
d) edge, system computing
Answer: a) system, cloud computing
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These are Cloud Computing Nptel Week 2 Assignment Answers
Q5.Network Virtualization is a _ environment that allows _ service providers to dynamically compose ____________virtual networks.
a) networking, single, single
b) physical, single, multiple
c) networking, multiple, single
d) networking, multiple, multiple
Answer: d) networking, multiple, multiple
Q6.Customized wearable devices for collecting health parameters are the best examples of
a) IoHT
b) Fog device
c) Fog-Cloud interfaced.
d) Cloud-Fog-Edge-IoHT
Answer:d) Cloud-Fog-Edge-IoHT
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These are Cloud Computing Nptel Week 2 Assignment Answers
Q7.Dew Computing is a paradigm where on-premises computers provide functionality that is _ of cloud services and is also collaborative with cloud services
a) dependant
b) independent
c) partial dependant
d) none of these
Answer: b) independent
Q8.SOAP uses __ as transport protocol
a) UDDI
b) SLA
c) HTTP
d) XML
Answer:c) HTTP
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These are Cloud Computing Nptel Week 2 Assignment Answers
Q9.Virtual Machine Monitor is also known as
a) Cluster Manager
b) Virtual Machine Handler
c) Virtual Machine Manager
d) Hypervisor
Answer:d) Hypervisor
Q10.Which of the following is/are XML parser API(s)?
a) XaaS (Anything as a Model)
b) SAX (Simple API to XML)
c) CLI (Command Line Interface)
d) DOM (Document Object Model)
Answer: b) SAX (Simple API to XML)
d) DOM (Document Object Model)
These are Cloud Computing Nptel Week 2 Assignment Answers
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