M7Q37: Virtualization

Question 1

Virtualization allows us to use a single systems hardware to run multiple “virtual machines” or virtualized computers within it and the software that enables virtualization is called a Hypervisor. Which type of Hypervisor is installed directly on the bare metal hardware of a server?

A. Type 1 Hypervisor
B. Type 2 Hypervisor

Answer 1

A. Type 1 Hypervisor

Explanation: A Type 1 Hypervisor is called a “Bare Metal” Hypervisor because it is installed directly onto the bare metal hardware of a system. This means that a Type 1 Hypervisor serves as the main Operating System running all the hardware and is not installed under a separate operating system. VMWare vSphere/ESXi, Microsoft Hyper-V and Citrix XenServer are examples of Type 1 Hypervisors and are used to run virtualization environments inside companies and data centers. Type 2 Hypervisors are referred to as “Hosted” Hypervisors and are installed directly under a host Operating System such as Windows, Mac OSX, or Ubuntu. With Type 2 Hypervisors the Hypervisor is an application running within the Host OS.

Question 2

Type 2 Hypervisors are for running virtual machines on a local/personal computer, while Type 1 Hypervisors are used to deploy large scale virtualization environments inside companies and data centers.

A. True
B. False

Answer 2

A. True

Explanation: Type 1 Hypervisors are used inside data centers while Type 2 Hypervisors are used to set up virtual machines on a local computer.

Question 3

Virtual machines use a ______________ to connect to the virtualized switching environment.

A. Virtual Router
B. Virtual Firewall
C. Virtual NIC
D. Virtual Server

Answer 3

C. Virtual NIC

Explanation: Just like regular computers need a physical Network Interface Card to connect to the network, virtual machines use a virtual Network Interface Card to connect to the network.

Question 4

To configure VLANs inside of a virtualized environment which device is used?

A. Virtual Server
B. Virtual Firewall
C. Virtual Router
D. Virtual Switch

Answer 4

D. Virtual Switch

Explanation: Virtual Switches are necessary components within a virtualized environment for connecting virtual machines into the network. Just as you would set up VLANs on a regular switch, the same can be done with virtual Switches for setting up VLANs inside a virtual environment.

Question 5

The main benefits of virtualization are.

(choose all that apply)

A. Better use of hardware resources
B. Power savings and reduced footprint
C. Recovery
D. Flexibility

Answer 5

A. (Better use of hardware resources), B. (Power savings and reduced footprint) C. (Recovery), D. (Flexibility)

Explanation: All of the above are benefits of implementing virtualization.