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DSAC ANNEX B QUESTIONS AND ANSWERS
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DSAC ANNEX B QUESTIONS AND ANSWERS
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DSAC ANNEX B QUESTIONS AND ANSWERSVirtualization is the creation of a virtual -(Rather than actual)-version of something, such
as an operating system (OS), a server, a storage devices or network resources.
True/False - Answers- True
How do hypervisors function? - Answers- Hypervisors take physical resources and
divide them up for use by virtual environments.
OS virtualization allows software to use hardware to run multiple operating system
images at the same time.
True/False - Answers- True
The virtualization layer is responsible for recreating the same or a different environment
where the guest will operate.
True/False - Answers- True
Desktop Virtualization - Answers- The host server runs virtual machines using a
hypervisor.
Don't use the host systems hard drive.
Useful for development and testing teams.
3 TYPES OF DESKTOP VIRTUALIZATION
-Virtual Desktop Infrastructure (vDI)
-Remote Desktop Services (RDS)
-Desktop-As-A-Service
Application Virtualization - Answers- Abstracts the application layer away from the
operating system.
Application can run in an encapsulated form.
Able to maintain cost-effective configuration.
Storage Virtualization - Answers- The process of pooling the physical storage of
multiple network storage devices so it looks like a single storage devices.
Helps allocate, move, change and manage resources.
Facilitates archiving, easy backup and recovery.
PREFERRED
VMware VSAN
Network Virtualization - Answers- Helps manage and monitor the entire computer
network as a single administrative entity.
Can keep track of various network elements.
Assist with network optimization for data transfer rates.
Improves overall productivity and efficiency.
Server Virtualization - Answers- A process of partitioning the resources of a single
server into multiple virtual servers.
, Saves on hardware cost.
Keeps infrastructure streamlined and redundant.
Virtual servers can run as separate machines based on roles.
What kind of Hypervisors are these?
VMware ESX
VMware server
VMware ESXi - Answers- Type 1
What kind of Hypervisors are these?
Microsoft Virtual PC
Oracle VM VirtualBox
VMware Workstation/Fusion/Player - Answers- Type 2
What are some characteristics of VM's? - Answers- Hardware independence, Isolation,
Partitioning, Encapsulation.
List the Benefits of Hypervisors. - Answers- Ecosystem, Performance, Cost,
Management tool, Live Migration.
RAM - Answers- The memory resource settings for a virtual machine determine how
much of the host's memory is allocated to the virtual machine.
CPU - Answers- A processor, or component of a computer system that performs the
tasks required for computer applications to run.
(NIC) Network Interface Card - Answers- Called a network adapter on a VM, assists in
connecting to a network, to enhance communications, or to replace an older adapter.
Thick Provisioning - Answers- A large amount of storage space provided in advance in
anticipation of future storage needs.
Thin Provisioning - Answers- Helps eliminate storage underutilization problems by
allocating storage space in a flexible on-demand manner
Different types of data stores - Answers- vVol, NFS (Version 3 and 4.1), VMFS (Version
5 and 6), vSAN.
Which data store is not used by the Marine Corps? - Answers- vVol
What is a Nas? - Answers- A storage device connected to a network that allows storage
and retrieval of data from a centralized location for authorized network users.
Using the Server Message Block (SMB) protocol, an application (or the user of an
application) can access files or other resources at a remote server.
True/False - Answers- True
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