4.2 - Client-side Virtualization

Question 1

Term

Answer 1

Definition

Question 2

Virtualization Technology

Answer 2

Allows multiple operating systems to run on one single desktop simultaneously.

Question 3

Example of Virtualization

Answer 3

Running macOS with Windows 11, Linux Ubuntu, etc., on the same desktop.

Question 4

Virtual OS Perception

Answer 4

Each OS seems to have its own CPU, memory, and storage, but they share the same hardware.

Question 5

Desktop Virtualization Software

Answer 5

Runs multiple operating systems on top of the primary OS.

Question 6

Standalone Server Virtualization

Answer 6

Hosts multiple virtual machines on one hardware, common in data centers.

Question 7

History of Virtualization

Answer 7

Used since the 1960s with IBM mainframes.

Question 8

Use of Virtualization

Answer 8

Allows running legacy software on older operating systems while using the latest OS.

Question 9

Running Multiple OSs

Answer 9

Possible to run different OSs (e.g., Windows 10, Windows 11) on virtual machines simultaneously.

Question 10

Benefits of Virtualization

Answer 10

No need for partitions or rebooting; switch between OSs instantly.

Question 11

Hypervisor

Answer 11

Software that manages the CPU, memory, storage, etc., for different virtual machines.

Question 12

Hardware-Based Virtualization

Answer 12

CPU virtualization technologies like Intel VT and AMD-V.

Question 13

RAM in Virtualization

Answer 13

Important to have sufficient RAM as each VM requires significant memory.

Question 14

Storage in Virtualization

Answer 14

VMs need ample storage, often requiring multiple gigabytes per OS.

Question 15

Networking in Virtualization

Answer 15

Each guest OS needs proper network configuration.

Question 16

Sandboxing in Virtualization

Answer 16

Creating isolated testing environments for safe application development.

Question 17

Snapshots in VMs

Answer 17

Allows saving and restoring VM states for testing and development.

Question 18

VM Escaping

Answer 18

A security risk where malware gains access to the hypervisor and other VMs.

Question 19

Hosted Services Security

Answer 19

VM escaping can be a concern when using hosted services on shared physical platforms.

Question 20

Security in VMs

Answer 20

Virtual machines require similar security controls as physical systems.

Question 21

Downloading VMs

Answer 21

Caution advised against using third-party pre-installed VMs due to potential malware.

Question 22

Network Configurations

Answer 22

VMs can use shared, bridged, or private network configurations.

Question 23

Shared Network Address

Answer 23

VM uses the same IP as the host via network address translation.

Question 24

Bridged Network Address

Answer 24

Each VM gets a unique IP, like a physical network device.

Question 25

Private Network Address

Answer 25

VM cannot communicate outside the virtual network.