TestOut :B.3.4 CompTIA A+ 220-1101 (Core 1) Domain 4: Virtualization and Cloud Computing

Which of the following cloud computing solutions delivers software applications to a client either over the internet or on a local area network? Answer PaaS DaaS SaaS IaaS

SaaS

Your company cloud service currently provides data storage, processing, and network connectivity that hosts several services and applications used by your employees. You want to transition to a cloud service that provides many of these services and applications natively without the IT department needing to constantly maintain and update the services and applications. In addition, the IT department wants to make sure that the cloud service provides employees with resources that are segregated from other employees. Which of the following cloud service solutions meets these requirements? Answer SaaS with a fine-grain multi-tenancy implementation. PaaS with a fine-grain multi-tenancy implementation. SaaS with a simple multi-tenancy implementation. PaaS with a simple multi-tenancy implementation.

SaaS with a simple multi-tenancy implementation.

You want to create a virtual machine environment in which you can develop and test new software. Which virtualization benefit BEST describes the testing environment that you want to implement? Answer Hypervisor Hardware virtualization Cross-platform virtualization Sandbox

Sandbox

You have been tasked with creating a new software application and test the development of the software. You want an environment that can be isolated from the production network for the development and testing. What virtualization feature will BEST meet your application development requirements? Answer Sandbox virtualization Hardware optimization Cross-platform virtualization Application virtualization

Sandbox virtualization

While creating a virtual machine, you decide to set it up to use an external network. What else do you need to do to enable the eternal network configuration? Answer Make sure that you are using a Type 1 hypervisor. Select a NIC using the virtual switch manager. Set the RAM on the virtual machine to match the host. Configure the virtual machine to use Remote Desktop Protocol (RDP).

Select a NIC using the virtual switch manager

Which key advantages do containers have over virtual machines? (Select two.) Answer Portability between hypervisor environments Hardware optimization The ability to run legacy software on an updated operating system Smaller size and may only require a few megabytes Faster start times for containerized applications

Smaller size and may only require a few megabytes Faster start times for containerized applications

Which of the following BEST describes the overall purpose of virtualization? Answer The ability to install and run multiple operating systems on a single physical machine. The ability to run tests on new software before moving it into production. The ability to run legacy software on an updated operating system. The ability to run an application with a different operation system than the host machine.

The ability to install and run multiple operating systems on a single physical machine.

Which of the following factors significantly determine the number of virtual machines that a host can accommodate? (Select two.) Answer The VHD file you want to use. The number of software applications installed on the host machine. The components installed on host machine. Installation of integration services (IS) on the virtual machine. What has been allocated by the Hyper-V manager.

The components installed on host machine. What has been allocated by the Hyper-V manager

You want to create a virtualization environment that runs directly on the host machine's hardware to manage the virtual machines. Which of the following virtualization types should you use? Answer VDI Type 1 hypervisor Type 2 hypervisor Container virtualization

Type 1 hypervisor

Which type of resource offers the following advantages? Flexibility of access Ease of use Self-service resource provisioning API availability Service metering Ability to try out software applications the answer is ..........?

cloud resources

What is another name for virtual machines? Answer Hypervisors Host machines Guest operating systems Sandbox

Guest operating systems

Which of the following accurately describe a Type 2 hypervisor? (Select two.) Answer Acts as an OS on a physical host machine. Can run on any OS. Dramatically improves performance of a Windows virtual machine. Manages access to software programs on the host. Acts as a software application.

Can run on any OS Acts as a software application.

Match each virtualization component on the left with the appropriate description on the right. Each type of component may be used once, more than once, or not at all. Drag Host machine Hypervisor Virtual machine Virtual hard disk Drop 1. Provides the hardware necessary to create a virtualized environment. 2. A thin layer of software that resides between the virtual machine and hardware. 3. A software implementation of a computer. 4. A file created to store data. 5. Allows virtual machines to interact with hardware.

1. Host machine 2. Hypervisor 3. Virtual machine 4. Virtual hard disk 5. Hypervisor

Which of the following accurately describes a hypervisor? (Select two.) Answer Manages access to software programs on the host. A layer of software that resides between the virtual operating system and the hardware. Allocates the storage space for a virtual machine. Allows virtual machines to interact directly with the hardware. Controls the number of virtual machines a host can accommodate.

A layer of software that resides between the virtual operating system and the hardware. Allows virtual machines to interact directly with the hardware.

Which of the following BEST describe a community cloud? (Select two.) Answer Platforms, applications, and storage are made available to the general public. Access is granted to only the users within a single organization. Commonly hosted externally by a third party. Provides a combination of cloud resources from different service providers. Designed to be shared by several organizations.

Commonly hosted externally by a third party. Designed to be shared by several organizations.

Which of the following BEST describes a community cloud implementation? Answer Designed to be accessed by the general public. Designed to be a combination of public and private cloud resources. Designed to be shared by several organizations. Designed to be used by a single organization.

Designed to be shared by several organizations

Rachel, an employee in the support department, wants to run a virtual machine on her computer to troubleshoot customer issues. Which of the following must she complete before virtualization will work on her computer? Answer Flash the computer's BIOS to add virtualization support. Install additional memory. Enable virtualization support in the BIOS settings. Install an extra hard disk that the new virtual machine will run on.

Enable virtualization support in the BIOS settings.

Your company currently has an on-premises cloud solution that provides services to its employees. However, the company would like to begin offering some services to the public from the cloud. Which of the following cloud computing solutions would BEST meet your company's new cloud computing requirements? Answer Private cloud Community cloud Hybrid cloud Public cloud

Hybrid cloud

Which term describes the layer of software that resides between the virtual operating system and the physical hardware in a virtualization environment? Answer Virtual machine Hypervisor Virtual hard disk Workload management

Hypervisor

You were recently hired by a small startup company. The company is in a small office and has several remote employees. You have been asked to find a business service that would accommodate the company's current size but would also be able to scale as the company grows. The service needs to provide adequate storage as well as additional computing power. Which cloud service model would BEST fit these requirements? Answer PaaS IaaS SaaS DaaS

IaaS

What does the term cloud mean when referring to cloud computing? Answer It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network. It is the name of an operating system that anyone can use to design, build, and provide cloud services. It refers to the virtual hardware that cloud computing is built on. It is a metaphor for a data storage service with an ever-growing capacity, like storm clouds.

It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network.

What are the benefits of installing integration services (IS) on a Hyper-V Windows virtual machine? (Select two.) Answer Lets you cut and paste between the virtual machine and host. Lets you increase the amount of RAM used by the virtual machine. Lets you select a NIC if you have configured an external virtual network. Dramatically improves performance by installing Hyper-V aware drivers. Makes it possible to decrease the virtual machine storage space.

Lets you cut and paste between the virtual machine and host Dramatically improves performance by installing Hyper-V aware drivers.

Google Cloud, Amazon Web Services, and Microsoft Azure are some of the most widely used cloud storage solutions for enterprises. Which of the following factors prompt companies to take advantage of cloud storage? (Select two.) Answer Need to bring costs down Need for a storage provider to manage access control Need for a platform to develop applications Growing demand for storage Need for software to manage enterprise applications

Need to bring costs down Growing demand for storage

Which of the following BEST describes the Platform as a Service (PaaS) cloud computing service model? Answer PaaS delivers software applications to the client either over the internet or on a local area network. PaaS delivers everything a developer needs to build an application on the existing cloud infrastructure. PaaS stores and provides data from a centralized location without the need for local collection and storage. PaaS delivers infrastructure to the client, such as processing, storage, networks, and virtualized environments.

PaaS delivers everything a developer needs to build an application on the existing cloud infrastructure

Match each cloud computing definition on the left with the appropriate characteristic on the right. Each characteristic may be used once, more than once, or not at all. Drag Public cloud Private cloud Community cloud Hybrid cloud Drop Provides resources to a single organization. Combines public, private, and community cloud resources from different service providers. Designed to be shared by several organizations. Provides computing resources that are accessible to the general public. Keeps an organization's data separate and secure from any other organization using the same service provider.

Private cloud Hybrid cloud Community cloud Public cloud Private cloud

A company has subscribed to a cloud service that offers cloud applications and storage space. Through acquisition, the number of company employees quickly doubled. The cloud service vendor was able to add cloud services for these additional employees without requiring hardware changes. Which of the following cloud concepts does this represent? Answer On-demand Resource pooling Measured service Rapid elasticity

Rapid elasticity

As the network engineer for a large financial institution, you have been given the responsibility to provide a new financial desktop to the financial advisors in all company branch offices. The requirements for the software desktop include: It must be a virtualization solution. It must be hosted in the cloud by a third party. It must run on a tablet. Which of the following virtualization types BEST meets your desktop software requirements? Answer VDI Type 1 hypervisor Container virtualization Type 2 hypervisor

VDI

Which term refers to a software implementation of a computer system that executes programs like a physical machine? Answer Workload management Hypervisor Physical host Virtual machine

Virtual machine