Chapter 13 - Network Virtualization

Question 1

three main cloud computing services defined by NIST

Answer 1

Software as a Service (SaaS) - cp responsible for access to apps and services delivered over internet.
Platform as a Service (PaaS) - cp responsible for providing users access to development tools and services used to deliver apps
Infrastructure as a Service (IaaS) - cp responsible for providing access to network equipment, virtualized network services and supporting network infrastructure

Question 2

Which cloud service provides programmers access to the development tool and services used to deliver applications?

Answer 2

PaaS

Question 3

Which cloud service provides users with access to services such as email, communications, and Office 365 delivered over the internet?

Answer 3

SaaS

Question 4

Which cloud service provides IT managers with access to network equipment, virtualized services, and a supporting network infrastructure?

Answer 4

IaaS

Question 5

Which cloud model is used to meet the needs of a specific industry, such as healthcare or media?

Answer 5

Community Cloud

Question 6

What technology separates the OS from the hardware?

Answer 6

virtualization

Question 7

Which technology is a program, firmware, or hardware that adds an abstraction layer on top of the physical hardware?

Answer 7

hypervisor

Question 8

Which technology is installed on top of the existing OS to create and run VM instances?

Answer 8

Type 2 Hypervisor

Question 9

This is a logical entity that enables network administrators to manage and dictate how the data plane of switches and routers should handle network traffic.

Answer 9

SDN Controller

Question 10

what plane does a network administrator access to configure a device.

Answer 10

management plane

Question 11

computer system consists of the following abstraction layers:

Answer 11

Services
OS
Firmware
Hardware

Question 12

what three components are included when talking about the cloud?

Answer 12

data center
cloud computing
virtualization

Question 13

Which services are provided by a private cloud?

Answer 13

Multiple internal IT services in an enterprise

Question 14

what technology is the foundation of cloud computing?

Answer 14

virtualization

Question 15

advantages of server virtualization

Answer 15

• less equipment
• less energy consumed
• less space required
• easier prototyping
• faster server provisioning
• increased server uptime
• improved disaster recovery
• legacy support

Question 16

what is a hypervisor

Answer 16

a program, firmware or hardware that adds an abstraction layer on top of the physical hardware