Chapter 4

Question 1

Type 1 (Bare Metal Hypervisor)

Answer 1

This hypervisor is the primary operating system.

Question 2

Type 2 (Hosted)

Answer 2

This hypervisor runs on top of the existing OS. Virtual machines run on top of the current OS.

Question 3

Sandboxing

Answer 3

Isolated testing environment for Virtualization.

Question 4

Bridged Network Address

Answer 4

The VM shows up as a device on the physical network

Question 5

Shared network address

Answer 5

VM will share the same IP address as the physical host.

Question 6

NAT (Network Address Translation)

Answer 6

a technique used by routers or firewalls to map multiple private IP addresses from a local network (e.g., a home or office) to a single public IP address when connecting to the internet

Question 7

VDI (Virtual Desktop Infrastructure)

Answer 7

This is a technology that hosts user desktop environments on centralized servers in a data center or cloud, allowing users to access them remotely from almost any device

Question 8

Host Kernel

Answer 8

Core operating system (OS) component running directly on physical or virtual hardware, managing system resources (CPU, memory, devices) and providing a shared runtime environment for containers or virtual machines.

Question 9

Elasticity

Answer 9

Cloud characteristic allows for instant scaling up or down of resources as needed.

Question 10

Private Cloud

Answer 10

Cloud deployment model consisting of resources owned and operated by an organization for its exclusive use.

Question 11

Public

Answer 11

Cloud deployment model is available to the general public over the Internet

Question 12

IaaS (Infrastructure as a Service)

Answer 12

Cloud model involves outsourcing hardware equipment where the user still manages the operating system and applications

Question 13

SaaS (Software as a service)
Give an example!

Answer 13

Cloud model offers a complete, on-demand application with no local installation required
-example Microsoft 365

Question 14

PaaS (Platform as a service)

Answer 14

-No servers, no software, no maintenance team, no HVAC.
-Someone else handles the platform, I handle development
-Someone else monitors security
-You put the building blocks together!

Question 15

Multitenancy

Answer 15

characteristic of the public cloud where many different clients use the same underlying infrastructure