CPNT 217 virtualization and cloud computing

Question 1

What does a traditional physical computer support?

Answer 1

Applications via a specific operating system’s layer.

Question 2

What are some local hardware resources of a physical computer?

Answer 2

CPU/CPUs

Question 3

What are key concerns for data centers?

Answer 3

Cooling

Question 4

What are the concerns related to network and storage?

Answer 4

Physical wiring

Question 5

What is a virtual server?

Answer 5

A software-based environment that emulates all the processes of a physical computer.

Question 6

What is required to create a virtual machine?

Answer 6

Installing an Operating System (OS) and other applications.

Question 7

Who are the major players in virtualization technology?

Answer 7

VMware

Question 8

What is the primary benefit of virtualization?

Answer 8

Eliminates the need for a physical system while increasing server utilization.

Question 9

How does virtualization reduce business continuity costs?

Answer 9

By replicating and restoring on any target server

Question 10

What are the five different types of virtualization?

Answer 10

Server, Storage, network, desktop, application

Question 11

What is a hypervisor?

Answer 11

A software that is installed on bare metal hardware to manage virtual machines.

Question 12

What are the two types of hypervisors?

Answer 12

Type-I (bare metal) and Type-II (hosted).

Question 13

What is the purpose of VMware Workstation?

Answer 13

OS testing

Question 14

What feature allows easy rollback in VMware Workstation?

Answer 14

Snapshots and backups.

Question 15

What does the Bridge networking option do in VMware Workstation?

Answer 15

Connects the virtual network adapter to the physical Ethernet adapter

Question 16

What is the purpose of NAT in VMware Workstation?

Answer 16

Allows virtual machines to connect to an external network using a single IP address.

Question 17

What is the function of Host Only networking in VMware Workstation?

Answer 17

Allows communication between the host computer and virtual machines on the same host-only network without internet access.

Question 18

What is the role of DHCP in NAT and Host Only networks?

Answer 18

Assigns IP addresses to internal virtual machines.

Question 19

What is the main advantage of using virtualization?

Answer 19

Reduces hardware and operating costs

Question 20

What is the impact of virtualization on server provisioning time?

Answer 20

It reduces the time it takes to provision new servers.

Question 21

What is the difference between Type-I and Type-II hypervisors?

Answer 21

Type-I runs directly on hardware, type-II runs on applications

Question 22

What does application virtualization do?

Answer 22

Delivers applications to end-user devices in a virtualized manner.

Question 23

What is desktop virtualization?

Answer 23

Separates the physical desktop environment into a virtual desktop infrastructure.

Question 24

What is the main purpose of using a virtualization host?

Answer 24

To support different types of operating systems that can operate on the same hardware.

Question 25

What is the significance of resource pooling in virtualization?

Answer 25

It allows multiple virtual machines to share physical resources efficiently.

Question 26

What does the term 'high availability' refer to in virtualization?

Answer 26

The ability to keep systems operational with minimal downtime.

Question 27

What is the role of VMware Tools in virtual machines?

Answer 27

Enhances functionality with network

Question 28

What is a Virtual Machine (VM) configured as?

Answer 28

A router

Question 29

What types of networks have their own DHCP for internal virtual machines?

Answer 29

NAT and Host-only networks

Question 30

What is the metaphor for Internet-based computing?

Answer 30

Cloud Computing

Question 31

What are the advantages of Cloud Computing?

Answer 31

Reduce costs

Question 32

What are the main clients of Cloud Computing?

Answer 32

Computers

Question 33

What is a Cloud Computing provider's datacenter?

Answer 33

A collection of servers hosting applications

Question 34

What are the three main Cloud Computing service models?

Answer 34

Infrastructure as a Service (IaaS)

Question 35

What does IaaS stand for and what does it provide?

Answer 35

Infrastructure as a Service; it delivers computer infrastructure for virtualization environments.

Question 36

What is an example of IaaS?

Answer 36

Amazon S3

Question 37

What does PaaS stand for and what does it offer?

Answer 37

Platform as a Service; it provides tools for developers to create

Question 38

What is an example of PaaS?

Answer 38

Google App

Question 39

What does SaaS stand for and what does it entail?

Answer 39

Software as a Service; applications hosted in the cloud for end users to access via internet browsers.

Question 40

What is an example of SaaS?

Answer 40

Microsoft Office 365

Question 41

What are Container as a Service (CaaS) and its purpose?

Answer 41

CaaS packages an application with its dependencies to run anywhere a container engine is installed.

Question 42

What is Function as a Service (FaaS)?

Answer 42

A platform for developing and managing applications without complex infrastructure maintenance

Question 43

What is Hardware as a Service (HaaS)?

Answer 43

A service model allowing users to rent hardware instead of owning it.

Question 44

What is Desktop as a Service (DaaS)?

Answer 44

A service that offers a virtualized desktop computer.

Question 45

What is a Public Cloud?

Answer 45

A cloud used by the general public

Question 46

What is a Private Cloud?

Answer 46

A hosting solution that protects data behind a firewall

Question 47

What is a Hybrid Cloud?

Answer 47

A combination of public and private clouds

Question 48

What is a Community Cloud?

Answer 48

A cloud platform shared by several companies with similar needs

Question 49

What was the first computing platform based on?

Answer 49

Mainframes

Question 50

What are the challenges of the first platform (mainframes)?

Answer 50

High acquisition costs

Question 51

What is the second computing platform based on?

Answer 51

Client-server model with distributed application architecture.

Question 52

What are the challenges of the second platform (client-server model)?

Answer 52

Creation of IT silos

Question 53

What is the significance of the third platform in computing?

Answer 53

It represents a transformation in how organizations use technology for business operations.