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WorksheetsNPTEL-CLOUD COMPUTING-PRACTICE TEST-5 2025
Total questions: 60
Worksheet time: 3600secs
What are the advantages of Cluster Computing?
High Performance
Hardware Fault tolerance
Low cost
Scalability
What of the following is/are the characteristics of Cloud Computing?
Homogeneity
Service Orientation
Geographic Distribution
None of the above
What of the following is/are false about Virtualization?
I. It is difficult to create backup machines.
II. It emulates more machines than are physically available
III. It allows easier timeshare lightly loaded systems on one host
II and III
I only
I and III
I, II, and III
What of the following is/are the characteristics of SaaS?
Application is accessed over the internet.
Resources are distributed as a service.
Provides a platform to build applications and services.
None of the above
In Horizontal Scale Out
Workload is split across multiple computation units.
Database Partitioning is needed.
More resources are added to a single computation unit.
All of the Above
What of the following is/are the purpose of cloud computing?
Analyzing customer or operations data.
Running e-business web sites.
Processing and storing applications or other forms.
All of the above
Why is Cloud Sourcing important?
Easier control of data.
High performance and reliability.
Easier remote access.
Rapid Scalability.
What of the following is the best use case for IaaS?
Building applications with ease.
Disaster recovery.
Business Intelligence and Analytics
None of the above
What of the following is(are) false?
Private cloud is used solely by an organization.
Hybrid cloud is shared by several organizations and supports a specific goal.
In the public cloud, the cloud infrastructure is made available to the general public.
None of the above
What of the following is/are the advantages of cloud computing?
Improved performance.
Increased data reliability.
Works well with low speed connections.
It is always fast.
What of the following is not an example of Private Cloud?
Eucalyptus
Amazon EC2
Ubuntu Enterprise Cloud
Microsoft ECI data center
A hybrid cloud is composed of two or more private, community, or public clouds.
True
False
Statement 1: In case of Public Cloud, the cloud infrastructure exists on the premises of the cloud provider.
Statement 2: Amazon VPC is an example of public cloud.
Which of the above statements are True?
I only
II only
I and II
None
Google Apps for Government is an example of which kind of cloud deployment model?
Public cloud
Private cloud
Community cloud
Hybrid cloud
Statement 1: On-site Private cloud applies to private clouds where the server side is outsourced to a hosting company.
Statement 2: Outsourced private cloud applies to private clouds implemented at a customer’s premises.
Which of the above statements are True?
I only
II only
I and II
None
Goals for a virtual machine architecture are:
Equivalence
Resource control
Efficiency
None
To run a virtual machine with all three desired properties which of the following condition should be satisfied?
Privileged instructions are a subset of sensitive instructions.
Sensitive instructions are a subset of privileged instructions
Both
None
Statement 1: Two types of XML parsers are Validating parsers and Non-Validating parsers.
Statement 2: A Non-Validating parser must retrieve all entities and must process all DTD content.
Will stop processing and indicate a failure if it cannot
Which of the above statements are True?
I only
II only
I and II
None
SAX (Simple API for XML) is an event-based interface.
True
False
Which of following is false about SOAP (Simple Object Access Protocol) ?
XML based.
Uses mainly HTTP as transport protocol.
Stateless, one way.
None.
Which of the following is false about SLA contents
A complete, specific definition of each service
An auditing mechanism to monitor the services
The responsibilities of the service provider and consumer
None of these
In cloud, computing resources are allocated
Through a centralized service discovering agent
By service level agreement
Globally without any centralized agent
All of them
Statement 1: Coefficient of variance represents the ratio of standard deviation to mean.
Statement 2: Coefficient of variance is a useful statistic for comparing the degree of uniformity from one data series to another.
Only statement 1 is true
Only statement 2 is true
Both the statements are true
Both the statements are False
Say a cloud service is well maintaining it’s 95% availability as mentioned in Service Level Agreement. However, still the services are not performing as expected when the load increases abruptly.
The problem can be referred to as an issue of
Load balancing
Linearity
Reliability
Durability
It is beneficial to purchase a cloud service when
Utility premium < the peak to average demand ratio
Utility premium > the peak to average demand ratio
Utility premium <= the peak to average demand ratio
Utility premium >= the peak to average demand ratio
If Rt is the ratio of execution time taken by a process in sequential and parallel architecture, and p is the number of parallel computing nodes available, then the parallel efficiency is
Rt / p
p / Rt
None of the above
p x Rt
Statement 1: Hadoop Distributed File System is an open source implementation of GFS architecture.
Statement 2: In Google File System, the master maintains regular communication with the chunk servers.
Only statement 1 is true
Only statement 2 is true
Both the statements are true
Both the statements are false
Which of the following is true?
IaaS can be built on PaaS
PaaS can be built on SaaS
IaaS can be built on SaaS
None of the above
What type of vendor is Microsoft Azure?
IaaS
PaaS
Saas
None of these
Which of the following is/are the services offered by Google Cloud Platform?
App Engine
Cloud SQL
Search
All of the above
Google App Engine is an Infrastructure as a Service (IaaS) component of GCP.
True
False
The Azure web app provides a ____________ for your code and provides a __________ to view the deployed app
Hosting Space, URN
Compiler, URL
Hosting Space, URL
Compiler, URN
Which of the following is not meant to be delivered by the 5G technology?
Higher multi-GPS peak data speed
Massive network capacity
Ultra high latency
Increased availability
Statement: 5G technology has denser connections than that of in 4G.
True
False
Cloud computing services provide a flexible for realizing goals of cyber physical system (CPS).
hardware
software
platform
None of the above
A Cyber-Physical Cloud Computing (CPCC) architectural framework can be defined as "a system environment that can slowly build, modify and provision cyber‐physical systems composed of a set of cloud computing based sensor, processing, control, and data services".
The above statement is
Correct
Wrong
Spatial cloud eases out the GIS decision making due to the following reasons:
Integrate the latest databases
Merge disparate systems
Exchange information internally and externally
None of the above
On premise resource utilization is optimum in
Cloud computing
Cloud-Fog-Edge computing
Dew computing
None of the above
Statement: To utilize all functionalities of cloud computing, the network users are heavily dependent on internet connectivity.
True
False
What are the key features of dew computing?
Independence
Collaboration
Both of the above
None of the above
Statement 1: Remote authentication systems is an example of Backend-as-a-Service(BaaS).
Statement 2: Database management is an example of Functions-as-a-Service(BaaS).
Statement 1 is True
Statement 2 is true
Both Statement 1 and Statement 2 are True
Both Statement 1 and Statement 2 are False
Statement: Serverless applications are ones that need server provision and do not require managing servers.
True
False
In sustainable cloud computing, three sub-components of cloud architecture are?
Software as a Service
Platform as a Service
Infrastructure as a Service
All of the above
In sustainable cloud computing, Application models can be?
Data parallel
Function parallel
Message passing
All of the above
Components of sustainable cloud computing are?
Virtualization
Capacity Planning
Waste heat utilization
All of the above
Which of the following are requirements of virtual machine live migration?
Load balancing
System Maintenance
Power Management
All the above
The lack of effective handoff mechanisms in WiFi networks as users move rapidly causes an in the number of packets .
decrease, losses
increase, losses
increase, gains
no variation, gains
How to evaluate Mobile Cloud Computing performance?
Energy Consumption
Security
Time to Completion
Monetary Cost
only I and II
only II and IV
only I, II and IV
I, II, III, IV
What is/are the key component(s) of Mobile Cloud Computing?
Profiler
Solver
Synchronizer
All of the above
Offloading is beneficial when amounts of computation are needed with relatively amounts of communication.
Large, small
Small, large
Small, does not depend
Does not depends, small
Which of the following is/are true?
In cloud computing, the distance between the client and server is over multiple hops.
In fog computing, the distance between the client and server is over multiple hops.
In cloud computing, the distance between the client and server is over a single hop.
In fog computing, the distance between the client and server is over a single hop.
Which of the following is/are fog devices?
Cellular base stations
Network routers
WiFi Gateways
None of these
What is/are true about cloudlets?
Increases the latency in reaching the cloud servers
Reduces the latency in reaching the cloud servers
Resides far from the mobile devices
Resides near to the mobile devices
Which of the following aspect(s) is/are present in context-aware dynamic parking service case study?
Decision making of traffic authorities
Reservation service process
Context-aware optimization
None of the above
In the containers terminology
Statement 1: ps : List all containers (incl. stopped)
Statement 2: rm : Delete a container
Which of the above statements are True?
I only
II only
I and II
None
Docker provides application level virtualization.
True
False
A green broker can perform scheduling of applications to reduce energy consumption.
True
False
Which of the following is NOT a hardware challenge in resource management?
Memory
CPU
Information security
Workstations
Security responsibilities of a IaaS cloud service provider is typically upto
Guest OS
Application
Solution Stack
Hypervisor
Which of the following security property ensures that subscriber can’t deny the action done by him/her.
Authorization
Non-repudiation
Confidentiality
Integrity
