4.2 - Summarize aspects of client-side virtualization

Question 1

3 purposes of VMs?

4.2 Summarize aspects of client-side virtualization: Purpose of VMs

Answer 1

• Sandbox
• Test development
• Application virtualization

Question 2

What do hypervisors do?

4.2 Summarize aspects of client-side virtualization

Answer 2

Allows to run VMs on a single computer

VM = Guest OS

There are type 1 & type 2 hypervisors

Question 3

How do type 1 hypervisors differ from type 2 hypervisors?

4.2 Summarize aspects of client-side virtualization

Answer 3

By running directly on the host computer’s hardware

The host’s machine has no OS running.

These are aka bare metal. Examples include VMware, ESXi, Microsoft Hyper-V, & KVM

Question 4

How do type 2 hypervisors differ from type 1 hypervisors?

4.2 Summarize aspects of client-side virtualization

Answer 4

By running on top of the host computer’s OS

Type 2 hypervisors run less efficiently than type 1 hypervisors. Examples include VirtualBox, VMware work-station, & Hyper-V for Windows 10/11

Question 5

Which type of hypervisor is faster?

4.2 Summarize aspects of client-side virtualization

Answer 5

Type 1 hypervisors

But requires a proper server, more knowledgeable adminstration, & is sometimes costlier

Question 6

What is a sandbox?

4.2 Summarize aspects of client-side virtualization: Purpose of VMs - Sandbox

Answer 6

An isolated environment

Separated from production servers & the underlying OS

They’re mainly used on development servers (servers used for software development)

Question 7

What does cross-platform virtualization mean?

4.2 Summarize aspects of client-side virtualization: Purpose of VMs - Application Virtualization

Answer 7

Being able to run different OSs/software on a single machine

Regardless of the underlying hardware or OS

It also means Being able to run a VM on different types of hypervisors (i.e running it on VMware Workstation & on VirtualBox)

Question 8

How does cross-platform virtualization enhance operational efficiency?

4.2 Summarize aspects of client-side virtualization: Purpose of VMs - Application Virtualization

Answer 8

By using common file formats

i.e. by using VMs with .vmdk file extention to be used with VMware Workstation & VirtualBox

Question 9

4 types of virtualization network connection options?

We are referring to hypervisors (VMware, VirtualBox, etc.)

4.2 Summarize aspects of client-side virtualization: Resource Requirements

Answer 9

• Bridged networking
• NAT
• Host-only networking
• No networking

Bridged networking vs NAT: Bridged networking gives VMs their own IP addresses for direct access, while NAT shares one IP among VMs through the host