Cloud Computing

Question 1

The practice of using a network of remote servers hosted on the Internet

Answer 1

Cloud Computing

Question 2

▪ Services experience very little downtime when using the cloud
▪ Availability is the percentage of uptime versus downtime

Answer 2

High Availability

Question 3

▪ Ability to increase the number of items in a system at a linear rate or less
than a linear rate

Answer 3

Scalability

Question 4

Increasing the power of the existing resources in the working
environment

Answer 4

Vertical Scaling (Scaling Up)

Question 5

Adding additional resources to help handle the extra load being
experienced

Answer 5

Horizontal Scaling (Scaling Out)

Question 6

▪ The ability to quickly scale up or down
● Elasticity is the system’s ability to handle changes to demand in
real time

Answer 6

Rapid Elasticity

Question 7

▪ Being charged for a service on a pay per use basis
▪ The benefit of using the cloud is that most things are done on a metered
basis

Answer 7

Metered Utilization

Question 8

▪ Charging is based upon the actual usage of the service being consumed
▪ Measured services are charged based on the actual usage of the service
being consumed

Answer 8

Measured Services

Question 9

▪ The ability to minimize the costs by putting VMs on other servers
▪ Shared resources is pooling together all the hardware to make a cloud
provider

Answer 9

Shared Resources

Question 10

▪ The ability to store data that can spread to other places depending on the
configuration

Answer 10

File Synchronization

Question 11

▪ Systems and users interact with devices on public networks, such as the
Internet and other clouds

Answer 11

Public Cloud

Question 12

Systems and users that only have access with other devices inside the
same private cloud or system

Answer 12

Private Cloud

Question 13

Combination of private and public clouds

Answer 13

Hybrid Cloud

Question 14

Collaborative effort where infrastructure is shared between several
organizations from a specific community with common concerns

Answer 14

Community Cloud

Question 15

The ability for customers to share computing resources in a public or private cloud

Answer 15

Multitenancy

Question 16

Assigns a particular resource to a single organization

Answer 16

Single-Tenancy

Question 17

The need to procure hardware, software, and personnel necessary to run
the organization’s cloud
▪ allows the ability to control all the physical and
logical access to servers

Answer 17

On-premise solution

Question 18

Third-party service provider that provides all the hardware and facilities
needed to maintain a cloud solution

Answer 18

Hosted Solution

Question 19

Hosts desktop OSs within a virtualized environment hosted by a centralized server or server farm

Answer 19

Virtual Desktop Infrastructure (VDI)

Question 20

Performs all the application processing and data storage

Answer 20

Server

Question 21

Hosts all the desktop instances on a single server or server farm

Answer 21

Centralized Model

Question 22

Maintained by a service provider and provided to the end user as a
service

Answer 22

Hosted Model/ Desktop as a Service (DAAS)

Question 23

Copies the desktop image to a local machine prior to being used by the
end user

Answer 23

Remote Virtual Desktop Model

Question 24

Amount of space on a cloud-based server as file storage

Answer 24

Cloud Storage Application

Question 25

The ability to synchronize from different devices using a single account

Answer 25

File Synchronization

Question 26

Network of servers that locates the nearest server to minimize delay or download time

Answer 26

Content Delivery Network (CDN)

Question 27

Enables the network to be intelligently and centrally controlled, or programmed, using software applications ● Can be changed automatically by the network itself using automation and orchestration

Answer 27

Software-Defined Networking (SDN)

Question 28

Focuses on the communication resource requests or information about the network as a whole

Answer 28

Application Layer

Question 29

Uses the information from the applications and decides how to route a data packet on the network

Answer 29

Control Layer

Question 30

Contains the network devices that receive information about where to move the data

Answer 30

Infrastructure Layer

Question 31

Used to monitor traffic conditions and the status of the network ● Provides a layer of abstraction between the devices and the control and data flow that happen on the network

Answer 31

Management Plane