Chapter 1: Internal and External factors affecting successful communication

Question 1

A common computer used in a home or office

Answer 1

Desktop Computer

Question 2

A portable computer

Answer 2

Laptop

Question 3

A computer dedicated to providing application services to end
users on a network

Answer 3

Server

Question 4

A digital telephone that carries voice as data over data networks instead of analog phone lines

Answer 4

IP phone

Question 5

Local-area network media, usually copper cable

Answer 5

LAN media

Question 6

Depicts local-area network wireless access

Answer 6

Wireless Media

Question 7

The most common device for interconnecting local-area networks

Answer 7

LAN Switch

Question 8

A device that provides security to networks

Answer 8

Firewall

Question 9

A device that helps direct messages between networks

Answer 9

Router

Question 10

A specific type of router often found in home networks

Answer 10

Wireless Router

Question 11

A symbol used to summarize a group of networking devices out of local management control, often the Internet itself

Answer 11

Cloud

Question 12

One form of wide-area network (WAN) interconnection, represented by the lightning bolt–shaped line

Answer 12

WAN Media

Question 13

TCP/IP

Answer 13

IP (Internet Protocol) and TCP (Transmission Control Protocol).

Question 14

HTTP

What service is this protocol for?

Answer 14

Hypertext Transport Protocol

WWW

Question 15

SMTP

What service is this protocol for?

Answer 15

Simple Mail Transport Protocol

E-mail

Question 16

POP

What service is this protocol for?

Answer 16

Post Office Protocol

E-mail

Question 17

XMPP

What service is this protocol for?

Answer 17

Extensible Messaging and Presence Protocol

Instant Message

Question 18

OSCAR

What service is this protocol for?

Answer 18

Open System for Communication in Realtime

iNSTANT MESSAGE

Question 19

SIP

What service is this protocol for?

Answer 19

Session Initiation Protocol

IP telephony

Question 20

Elements of a Network

[BLANK] govern how the messages are sent, directed, received, and interpreted.

Answer 20

Rules or agreements (protocols)

Question 21

Elements of a Network

[BLANK] or units of information travel from one device to another.

Answer 21

Messages

Question 22

Elements of a Network

[BLANK] is a means of interconnecting these devices that can transport the messages from one device to another.

Answer 22

Medium

Question 23

Elements of a Network

[BLANK] on the network exchange messages with each other.

Answer 23

Devices

Question 24

These software programs that support communication functions are called [BLANK]

Answer 24

services

Question 25

VoIP

Answer 25

Voice Over Internet Protocol

Question 26

# Examples of priority decisions for an organization might include Increase priority for services like telephony or video distribution.

Answer 26

Time-sensitive communication

Question 27

# Examples of priority decisions for an organization might include Decrease priority for web page retrieval or e-mail.

Answer 27

Non-time-sensitive communication:

Question 28

# Examples of priority decisions for an organization might include Increase priority for production control or business transaction data.

Answer 28

High importance to organization

Question 29

# Examples of priority decisions for an organization might include Decrease priority or block unwanted activity, like peer-to-peer file sharing or live entertainment.

Answer 29

Undesirable communication

Question 30

A network security breach can lead to a variety of serious consequences, including what? ## Footnote NLTE

Answer 30

* Network outage, causing a loss of communication and business transactions * Loss of personal or business funds * Theft of intellectual property such as project bids, patents, and strategic plans * Exposure of confidential customer data

Question 31

To provide security, a network manager must address two areas which are?

Answer 31

Network infrastructure security and Content security

Question 32

# Network Security [BLANK] means protection of data stored on network devices and the protection of packets carrying data into or out of the network. Meaning, this means ensures confidentiality, maintaining communication integrity, and ensuring network availability.

Answer 32

Content Security

Question 33

# Network Security [BLANK] means protecting the devices from outside contact. Locking computer room doors and using quality password protection on network equipment and software.

Answer 33

Network infrastructure security

Question 34

[BLANK] is maintained by allowing only the intended and authorized recipients—individuals, processes, or devices—to read the data.

Answer 34

Data Privacy

Question 35

[BLANK] means having the assurance that the information has not been altered in transmission, from origin to destination. It can be compromised when information has been corrupted—willfully or accidentally—before the intended recipient receives it.

Answer 35

Data Integrity

Question 36

[BLANK] is the assurance that the identity of the sender has been validated. It is compromised when a user or device fakes its identity and supplies incorrect information to a recipient.

Answer 36

Source Integrity