Chapter 15: Virtualization and Cloud Computing

Question 1

In virtualization, a layer of programming that creates, supports, and manages a virtual machine is called a/an ____.

Answer 1

hypervisor

Question 2

A ____ hypervisor is installed on the system in lieu of an operating system.

Answer 2

Type 1

Question 3

A ____ hypervisor is installed on top of the operating system.

Answer 3

Type 2

Question 4

Infrastructure as a Service (IaaS) providers enable you to:

Answer 4

Set up and tear down infrastructure, such as servers, switches, and routers, on demand.

Question 5

The ____ cloud service model provides a complete deployment and management system with all the tools needed to administer and maintain a Web application.

Answer 5

PaaS or Platform as a Service

Question 6

The ____ cloud service model replaces applications once distributed and licensed via physical media with subscriptions to equivalent applications from online servers.

Answer 6

SaaS or Software as a Service

Question 7

Software, platforms, and infrastructure delivered through networks that the general public sign up to use is called a/an ____ cloud.

Answer 7

public

Question 8

If a business wants some of the flexibility of the cloud, needs complete ownership of its data, and can afford both, it can build an internal cloud the business owns called a/an ____ cloud.

Answer 8

private

Question 9

A/An ____ cloud is a private cloud paid for and used by more than one organization with similar goals or needs.

Answer 9

community

Question 10

A/An ____ cloud deployment describes some combination of public, private, and community cloud resources.

Answer 10

hybrid

Question 11

____ is the practice of increasing the capacity of a service or application deployed in a private cloud by adding extra instances in a public cloud.

Answer 11

Cloud bursting

Question 12

____ is an automation philosophy that defines the infrastructure (servers and network components) an application or service requires in configuration files or scripts well enough that it is easy to create identical copies of the needed infrastructure.

Answer 12

IaC or Infrastructure as Code

Question 13

____ is a higher level of automation in which smaller automated tasks are composed into longer sequences. These sequences (sometime called pipelines, processes, or workflows) better represent whatever the organization or its employees are trying to accomplish.

Answer 13

orchestration

Question 14

A/An ____ is software that performs Layer 2 switching within a hypervisor and enables virtual machines (VMs) to communicate with each other without going outside of the host system.

Answer 14

virtual switch

Question 15

The centralized installation, configuration, and handling of every switch in a network is known as ____.

Answer 15

distributed switching

Question 16

____ is programming that allows a master controller to determine how network components will move traffic through the network and is used in virtualization.

Answer 16

SDN or Software-Defined Networking

Question 17

____ is a cloud computing service that enables a user or organization to virtualize user workstations and manage them as flexibly as other cloud resources.

Answer 17

DaaS or Desktop as a Service

Question 18

A/An ____ can establish a permanent tunnel (often using IPsec) between a local network and a virtual network in the cloud.

Answer 18

site-to-site VPN

Question 19

In SDN or software-defined networking, the ____ plane is responsible for setting up network devices to use the correct network controller.

Answer 19

management