Free CompTIA A+ TEST Questions

Ref:📕Mike Meyers’ CompTIA A+ Core 1 Certification Passport (Exam 220-1101)

CompTIA A+ 220-1101 4.0 Virtualization and Cloud Computing

1 / 31

Which three service delivery models were originally defined by the National Institute of Standards and Technology (NIST) when the cloud was first established in 2011?

A. Infrastructure as a Service (IaaS), Delivery as a Service (DaaS), and Platform as a Service (PaaS)

B. Software as a Service (SaaS), Infrastructure as a Service (IaaS), and Platform as a Service (PaaS)

C. Platform as a Service (PaaS), Business as a Service (BaaS), and Software as a Service (SaaS)

D. Infrastructure as a Service (IaaS), Business as a Service (BaaS), and Delivery as a Service (DaaS)

2 / 31

What are some of the biggest benefits of using virtualization?

A. It enables multiplatform testing and research on a single physical machine

B. It offers savings on hardware purchases, electricity use, and the space used for computing

C. It allows for rapidly replacing a hacked system with a snapshot of the properly working VM

D. All of the above

3 / 31

What are the two primary reasons CSPs use metering according to the provided text?

A. Billing and monitoring

B. Scaling and throttling

C. Resource control and billing

D. Analysis and summarization

4 / 31

What is the public cloud?

A. Services offered privately to specific organizations

B. Internet-based services available to anyone without cost or restriction

C. A private network where data is stored and accessed by authorized users

D. A data center where information is stored for backup and recovery

5 / 31

Which of the following actions can you perform on your VM after configuration and installation of a guest operating system?

A. Interact with the OS and other software inside it

B. Add or remove virtual hardware

C. Start, stop, pause, or delete the VM

D. All of the above

6 / 31

Which of the following best describes the similarity between cloud computing and the earlier time-sharing computing practices?

A. Both involve physical transportation of resources

B. Both involve renting time on a centralized computer to save costs

C. Both involve use of dial-up lines for communication

D. Both require hiring additional personnel in-house

7 / 31

What characteristics does PaaS (Platform as a Service) have in a cloud service model?

A. It provides subscribers with access to a personalized set of hardware and software resources over the Internet.

B. It includes features to facilitate software development and testing.

C. It is designed to allow software developers to manage, deploy, maintain, and improve their software products.

D. All of the above.

8 / 31

What determines the high availability required by a subscriber in a cloud service?

A. The quality and price of the CSP’s hardware

B. The payment made by the subscriber

C. The response time of the provider’s customer service

D. The terms of the Service Level Agreement (SLA) between the CSP and the subscriber

9 / 31

Which of the following security measures should be implemented in a Virtual Machine?

A. Only create one user profile regardless of the number of users.

B. Implement strong passwords.

C. No need to update OS frequently.

D. Antivirus and anti-malware apps are not necessary.

10 / 31

What are the three types of desktop virtualizations systems support?

A. Virtual desktop service, Desktop as a Service, and HTML5 infrastructure

B. Virtual desktop infrastructure, Remote desktop protocol, and Hyper-V service

C. Virtual desktop infrastructure, Remote desktop services, and Desktop as a Service

D. Virtualkast service, Desktop as a Box, and Hypervisor infrastructure

11 / 31

What is a private cloud?

A. A cloud that is open to the public with minimal access control

B. A system that is opened only for a select group such as companies or schools

C. A public connection shared by all

D. A cloud service that has no security features

12 / 31

Which of the following is not considered a cloud service provider mentioned in the text?

A. Amazon

B. Dropbox

C. Carbonite

D. Dell

13 / 31

What is a Community Cloud in the context of cloud computing?

A. A form of a public cloud for everyone.

B. A form of a private cloud, paid for by a community, that allows its members to share information and resources.

C. A cloud service exclusively for corporations in the same industry.

D. A physical bulletin board where community members post information.

14 / 31

What is the primary difference between Desktop as a Service (DaaS) and the virtual desktop infrastructure (VDI)?

A. DaaS uses cloud server while VDI uses data center.

B. DaaS service in the cloud is supplied by the user’s organization.

C. DaaS cannot create desktop environments on the premises while VDI can.

D. With DaaS the user’s organization doesn’t supply the hardware or software on which the virtual desktop is generated, only the endpoint device used to access the DaaS service in the cloud.

15 / 31

Which of the following correctly describes Remote Desktop Services (RDS)?.

A. Users access a remote desktop that shares hardware resources as well as system and application software.

B. A dedicated virtual machine creates its own unique operating environment.

C. The user’s organization does not supply the hardware or software on which the virtual desktop is generated, only the endpoint device used to access the service in the cloud.

D. It enables the creation of virtual machines on a data center or cloud server, each having their own desktop image.

16 / 31

What are the benefits of using Infrastructure as a Service (IaaS)?

A. It reduces the cost of virtual servers

B. It allows subscribers to manage hardware and operating environments

C. It provides unlimited data storage, database servers, caching, media hosting, and more

D. It restricts subscribers from launching new virtual servers

17 / 31

Which of the following statements about Virtual Desktop Infrastructure (VDI) is incorrect based on the text?

A. In VDI, the hypervisor creates virtual machines, each with its own desktop image, on a data center or cloud server

B. VDI can create desktop environments on the premises, on a remote workstation on a local network, or in the cloud.

C. In VDI, users access the virtual desktops remotely from endpoint devices.

D. Every VDI desktop starts anew each time it’s started, unable to store or recall state.

18 / 31

What is application virtualization?

A. A process that delivers only portions of an application to a VM when they are needed.

B. The interaction of a thin network client running in an application environment on a VM.

C. A method that enables legacy operating systems and applications to continue to be used in modern systems.

D. A system for managing the delivery of virtual applications to user environments.

19 / 31

What is a hybrid cloud?

A. A cloud environment solely made up of public cloud

B. A cloud environment exclusively using private cloud and onsite resources

C. A mixture of differing amounts of public cloud, private cloud, and onsite resources

D. A cloud infrastructure within a single organisation

20 / 31

What is the key difference between emulation and virtualization?

A. Virtualization imitates the actions of another system, while emulation runs independent of the base system.

B. Emulation imitates the actions of another system, while virtualization runs on the base system.

C. Virtualization and emulation are essentially the same thing.

D. Emulation imitates the actions of another system, while virtualization runs independent of the base system.

21 / 31

What is the easiest way to network a computer that will be hosting one or more VMs?

A. Using a wireless NIC that uses a PCle slot

B. Using the fastest wired Ethernet supported

C. Using a USB network adapter

D. Any method as long as it provides internet connection

22 / 31

What is a difference between file synchronization and making a backup copy?

A. Backup copies are periodically replaced while synchronized files are not

B. The location of a backup copy is more important than its contents

C. Synchronized files remain identical to their source file at all times

D. Backup files are stored online while synchronized files are not

23 / 31

What does a cloud deployment model define?

A. The type of service or content provided

B. The security measures implemented

C. Who has access to the cloud and its construction

D. The software utilities used for managing the cloud

24 / 31

Which of the following best describes the differences between Type 1 and Type 2 hypervisors?

A. Type 1 runs directly on hardware, while Type 2 runs on a standard operating system.

B. Type 1 runs on a standard operating system, while Type 2 runs directly on hardware.

C. Type 1 is also known as ’bare-metal’ hypervisor, while Type 2 is known as ’layered’ hypervisor.

D. Type 1 is used for client-side virtualization, while Type 2 is used for server operating systems.

25 / 31

Which term refers to the ability of a cloud service like IaaS or PaaS to expand services and resources based on demand, often instantaneously?

A. Resource pooling

B. System redundancy

C. Elasticity

D. Load balancing

26 / 31

What is the correct sequence in the Test-Driven Development process?

A. Create a test, adapt the programming, test the program, write a program, then repeat

B. Create a program, write a test, adapt the programming, test the program, then repeat

C. Write a program, create a test, test the program, adapt the programming, then repeat

D. Create a test, write a program, test the program, adapt the programming, then repeat

27 / 31

What are the three hardware requirements for efficient virtualization support?

A. CPU speed, Graphics Card, and Sound Card

B. RAM, Storage Space, and Display Size

C. Processor Cores, Clock Speed, and L3 Cache

D. RAM, Storage Space, and Hardware Virtualization

28 / 31

What is the main benefit of shared resources in cloud computing?

A. It creates a virtualized environment

B. It provides individual or corporate subscribers with a ’dedicated’ space

C. It allows the same resources to be accessed over the Internet

D. It implements system, network, and storage virtualizations

29 / 31

How can you enable Hyper-V on a Windows system?

A. By downloading and executing the hypervisor software and follow its setup wizard

B. Through the Windows Features dialog box

C. By clicking New | Virtual Machine and completing the wizard that opens

D. By saving and deleting guest virtual machines in VMM

30 / 31

What is the purpose of sandboxing within the realm of virtualization?

A. To run entirely new programs on a production server

B. To test or trial suspicious or newly developed programs on a virtualized computer

C. To allocate more resources than needed for a particular task

D. To increase the risk of running a program in a production environment

31 / 31

What is a major tradeoff of using Software as a Service (SaaS)?

A. Lack of software variety

B. Need to give up control of your data to the provider

C. Unavailability of service without internet

D. High subscription cost

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CompTIA A+ 220-1101 4.0 Virtualization and Cloud Computing

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