CHAPTER 1

Question 1

Availability:

Answer 1

The assurance of timely and reliable access to data services for authorized users.

Question 2

Bring Your Own Device (BYOD):

Answer 2

A policy that allows end users to use personal tools to access information and communicate across a business or campus network.

Question 3

Cellular Connection:

Answer 3

Cellular internet access that uses a cell phone network to connect.

Question 4

Client:

Answer 4

A network device that accesses a service on another computer remotely.

Question 5

Confidentiality:

Answer 5

The state of ensuring that only authorized recipients can access and read data.

Question 5

Cloud Computing:

Answer 5

Computing resources delivered as a service over a network.

Question 6

Converged Data Network:

Answer 6

A network that aggregates various forms of traffic, such as voice, video, and data.

Question 7

Dialup Telephone Connection:

Answer 7

An inexpensive communication option that uses any phone line and a modem.

Question 8

Digital Subscriber Line (DSL):

Answer 8

An always-on internet service that provides high bandwidth and high availability.

Question 9

End Device:

Answer 9

Either the source or destination of a message transmitted over a network.

Question 10

Extranet:

Answer 10

Part of a network that provides secure access to individuals who work for a different organization but require access to the organization’s data.

Question 11

Fault Tolerant Network:

Answer 11

A term for limiting the impact of a failure.

Question 12

Integrity:

Answer 12

The assurance that information has not been altered in transmission from origin to destination.

Question 13

Intermediary Device:

Answer 13

A device that connects end devices to the network.

Question 14

Internet:

Answer 14

A network that combines enterprise networks, individual users, and ISPs into a single global IP network.

Question 15

Internet Service Provider (ISP):

Answer 15

A company that helps create the internet by providing connectivity to enterprises and individuals.

Question 16

Intranet:

Answer 16

A private connection of LANs and WANs that is designed to be accessible only by the organization’s members, employees, or others with authorization.

Question 17

Local-Area Networks (LANs):

Answer 17

A network infrastructure that provides access to users and end devices in a small geographic area.

Question 18

Powerline Networking:

Answer 18

An emerging trend for home networking that uses existing electrical wiring to connect devices.

Question 19

Quality of Service (QoS):

Answer 19

A control mechanism that can provide different priorities to different users or data flows or guarantee a certain level of performance to a data flow in accordance with requests from the application program.

Question 20

Satellite Connection:

Answer 20

Internet connection provided using satellites to serve areas that would otherwise have no internet connectivity at all.

Question 21

Scalable Network:

Answer 21

A network that can expand quickly to support new users and applications without impacting the performance of the service being delivered to existing users.

Question 22

Server:

Answer 22

Computer hardware or software that is used by multiple concurrent users or provides services to many users.

Question 23

Small Office and Home Office (SOHO) Networks:

Answer 23

A network in which computers can connect to a corporate network or access centralized, shared resources.

Question 24

Topology:

Answer 24

The arrangement of networking components or nodes.

Question 25

Wide-Area Networks (WANs):

Answer 25

A network infrastructure that provides access to other networks over a wide geographic area.

Question 26

Wireless Internet Service Provider (WISP):

Answer 26

An ISP that connects subscribers to a designated access point or hotspot using wireless technologies similar to those found in home wireless local-area networks (WLANs).