Virtualization and Cloud Computing

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CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Cert Guide

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This chapter is from the book

This chapter is from the book 

CompTIA A+ Core 1 (220-1101) and Core 2 (220-1102) Cert Guide

Learn More Buy

Answer Review Questions

1. Match each of the following cloud-based models to its description.

   Model	Description
   a. SaaS
   b. IaaS
   c. PaaS

   1. Provides access to storage, network services, virtualization, and servers

   2. Gives application developers the opportunity to develop and deploy software in a cloud environment

   3. Enables software to be hosted on remote servers and accessed through web browsers

2. Which of the following are characteristics of a virtual machine? (Choose all that apply.)

   1. A user can access multiple guest operating systems without rebooting.

   2. 32-bit and 64-bit operating systems can be installed on different virtual machines on a single host machine.

   3. Multiple virtual machines use the same hardware as the host computer.

   4. Running multiple guest operating systems is more expensive than running those same operating systems as host systems.

3. Which of the following are advantages of cloud computing? (Choose all that apply.)

   1. Rapid elasticity

   2. DHCP services

   3. Resource pooling

   4. Metered service

4. What is the name of the program that acts as the translator between the host machine and its virtual machines?

   1. Virtual machine server

   2. Virtualization machine manager

   3. Virtual host manager

   4. Virtualized guest server

5. The Windows 10 VM is selected in the following figure. Assuming that the host system has 8GB (8,192MB) of RAM, can you determine how much RAM will be available to the host system when the Windows 10 VM is running?

   

   1. 8192MB

   2. 2048MB

   3. 6144MB

   4. Impossible to determine from the image

6. Which of the following best describes sandboxing as it relates to a virtual machine?

   1. It is a type of hybrid cloud computing.

   2. It is a type of firewall between the host server and the outside world.

   3. It is a backup for virtual machines.

   4. It is the isolation of VMs within the host system for better security.

7. A VMM that runs directly on the hardware instead of inside the operating system is known as which of the following?

   1. Hypervisor

   2. Thin-client virtualization

   3. Client-side host/guest virtualization

   4. DEP (Data Execution Prevention)

8. Which of the following refers to creating a user interface to a computer that is hosted on a central server on-premises or in the cloud?

   1. Community cloud

   2. File synchronization

   3. Desktop virtualization

   4. VM checkpoint

9. The virtual software Microsoft 365 is running across platforms as well as operating systems, so users in the company on iPads, Linux devices, and macOS can have the same application software experience. What is this an example of?

   1. Virtual machine management

   2. Supporting legacy software and operating systems

   3. On-demand self-service

   4. Cross-platform virtualization

10. A technician is setting up a workstation that will be used for virtualization. Which of the following should the technician ensure? (Choose three.)

    1. The system has as much RAM as possible.

    2. The BIOS/UEFI supports hardware-assisted virtualization.

    3. The VMM runs inside the guest operating system.

    4. Virtualization support must be enabled in the BIOS/UEFI.