7 - Fundamentals of Virtual and Cloud Computing

Question 1

The technique of converting a hardware-based resource into software.

Answer 1

virtualization

Question 2

Creates the virtual hardware for devices.

Answer 2

hypervisor

Question 3

This type of hypervisors are operating systems that natively run VMs and are intended to be installed on a dedicated bare metal server.

Answer 3

Type 1 hypervisor

Note: This is significant because, as an OS, the Type 1 hypervisor has complete access to the underlaying hardware of the physical computer, which alleviates the performance penalty that Type 3 hypervisors commonly face.

Question 4

This type of hypervisor is installed as an application on PCs or laptops.

Answer 4

Type 2 hypervisors

Note: This allows the user to run different VMs that all share the laptop or computer’s hardware resources.

Question 5

Many IT professionals use a Macbook Pro for personal computing at home, and to work remotely. Sometimes they need a Microsoft Windows application for work. Rather than buy another laptop, the IT team from the office can install a Windows environment that can run Windows applications on MacOS.

What kind of software will the IT team need to install on a Mac to enable it to run this Windows environment?

Answer 5

Type 2 hypervisor

Question 6

A software tool used to host virtual systems.

Answer 6

hypervisor

Question 7

What does IaaS stand for?

Answer 7

infrastructure as a service

Question 8

What does PaaS stand for?

Answer 8

platform as a service

Question 9

What does SaaS stand for?

Answer 9

software as a service

Question 10

Which cloud service model requires the customer to be responsible for operating systems?

Answer 10

IaaS

Question 11

The term ___ cloud is most often associated with equipment hosted within a single company’s on-premises data center.

Answer 11

private

Question 12

In the case of a ___ cloud, the cloud provider is responsible for maintaining the hardware and repairing the infrastructure instead of the customer.

Answer 12

public

Question 13

___ clouds are data centers that are jointly owned and operated by the tenants.

Answer 13

community

Question 14

A(n) ___ cloud refers to the combination of private cloud and public cloud and is most commonly associated with companies that extend their applications and services between their own data center and that of a public cloud provider’s.

Answer 14

hybrid

Question 15

___ cloud is the concept of leveraging the services of multiple public cloud providers.

Answer 15

multi-cloud

Question 16

Why would a business likely choose a hybrid cloud solution?

a) They want a cloud provider to take responsibility for all hardware aspects of their systems.
b) They want to maintain total control of all hardware their software runs on.
c) They want to use their own systems but add the ability to scale up for burst demand.
d) They want to jointly own and control the hardware their software runs on.

Answer 16

c) They want to use their own systems but add the ability to scale up for burst demand.