Deck 24: Network Fundamentals

Question 1

An extranet is similar to a(n) server but it allows specific users outside of the organization to access internal information systems.

Answer 1

False

Question 2

A wide area network (WAN) connects personal computers, workstations, and other devices in a limited geographical area.

Answer 2

False

Question 3

Client/server networks are easier to set up and manage than peer-to-peer networks.

Answer 3

False

Question 4

Networks are divided into four main types.

Question 5

Server operating systems are high-end programs designed to provide network control and include special functions for connecting computers and other devices into a network.

Question 6

To connect wirelessly requires different equipment than that used for a wired connection.

Question 7

What types of phones are supported through the Public Switched Telephone Network (PSTN)?

A) Digital
B) Mobile
C) Standard
D) All of the above

Question 8

A standalone computer system is vulnerable to the same kinds of risks as a network.

Question 9

Which of the following network benefit do companies take advantage of when they purchase a site license?

A) Enhanced communication
B) Hardware sharing
C) Software sharing
D) Collaborative environment

Question 10

The term client/server network describes a software architectural model.

Question 11

A network is simply a group of two or more computers linked together.

Question 12

Which of the following can contain communication links across metropolitan, regional, or national boundaries?

A) LAN
B) Wireless LAN
C) WAN
D) Intranet

Question 13

Electronic identification cards are used to gain access to certain areas within a building or department.

Question 14

Which of the following is true about e-mail?

A) The cost depends on the size of the message
B) Delivery is almost instantaneous
C) It is private
D) It cannot be sabotaged

Question 15

The communication area of a LAN might be as large as a state, country, or even the world.

Question 16

The Internet is the biggest network of all.

Question 17

The best plan for a company that handles secure information is to handle security breaches as they occur.

Question 18

In a client/server network, all computers are equal.

Question 19

Biometric security measures are usually applied when high-level security is required.

Question 20

In a client/server network, which of the following would be considered the client?

A) Microsoft Windows
B) Internet Explorer
C) Printer
D) Desktop computer

Question 21

Handbooks, employee manuals, and employment forms would most likely be found on ____.

A) an intranet
B) an extranet
C) the Internet
D) a hub

Question 22

Case 24-1 Javier has decided to upgrade his communication hardware and get a faster Internet connection. After considering all the options, he has decided to use a wireless Internet service provider. The speeds Javier will get with his new wireless connection will be more than ____ times faster than his old dial-up connection.

A) 2
B) 7
C) 30
D) 384

Question 23

Which of the following uses coaxial cable to send and receive data?

A) Modem
B) Cable modem
C) Digital subscriber line (DSL)
D) T-1 line

Question 24

Case 24-1 Javier has decided to upgrade his communication hardware and get a faster Internet connection. After considering all the options, he has decided to use a wireless Internet service provider. To connect his laptop wirelessly to the Internet, Javier will need a(n) ____.

A) hub
B) router
C) T-1 line
D) adapter

Question 25

A cache is a(n) ____.

A) place to store something temporarily
B) special type of password
C) external wireless adapter
D) dedicated connection to the Internet

Question 26

In a client/server network, the ____ manages network resources.

A) client
B) server
C) node
D) router

Question 27

A(n) ____ is a type of fiber-optic telephone line that can transmit up to 1.544 megabits per second.

A) DSL
B) HDSL
C) VDSL
D) T-1 line

Question 28

Computer information is stored digitally, but information sent over the telephone lines is transmitted in the form of ____.

A) analog waves
B) bridges
C) air waves
D) fiber optics

Question 29

The word modem is an acronym for ____.

A) mo dern dem arcation
B) mo st dem and
C) mo dulate dem odulate
D) mo dification dem onstration

Question 30

Case 24-2 Bryah owns a small business and travels frequently. She is concerned about the security of the data on her laptop, which includes valuable information and trade secrets. When Bryah creates a password to restrict access to her computer, she should ____.

A) change it frequently
B) use all lowercase letters
C) write it down
D) use the same one as her Internet account

Question 31

FIGURE 24-1 Figure 24-1 above shows an example of ____.

A) a communication channel
B) a client/server network
C) a peer-to-peer network
D) T-1 lines

Question 32

Case 24-2 Bryah owns a small business and travels frequently. She is concerned about the security of the data on her laptop, which includes valuable information and trade secrets. When Bryah is traveling, accidental association would be a concern when she is ____.

A) connecting wirelessly to the Internet
B) employing biometric security measures
C) screening potential employees
D) backing up data

Question 33

FIGURE 24-2 Figure 24-2 above shows a computer with a ____ attached.

A) dial-up modem
B) wireless router
C) hub
D) T-1 line

Question 34

Antivirus software should ____.

A) be run when you suspect a problem
B) be run weekly
C) be run monthly
D) always be running

Question 35

A(n) ____ acts like a switchboard through a firewall.

A) Web server
B) FTP server
C) proxy server
D) database server

Question 36

Biometric security measures examine any of the following, except ____.

A) fingerprints
B) blood type
C) voice pattern
D) retina of the eye

Question 37

"Sniffer" software is used to ____.

A) prevent hackers from accessing your computer
B) locate wireless hot spots
C) transmit voice data over telephone lines
D) set up and manage a peer-to-peer network

Question 38

____________________ are people who break into computer systems to steal services and information.

Question 39

Companies handling sensitive information should back up data regularly and store it ____.

A) on the same computer
B) on the network server
C) on CDs
D) off site

Question 40

The ____ determines the amount of data that can be sent at one time.

A) router
B) hub
C) node
D) bandwidth

Question 42

____________________ consist of special hardware and software to protect individual companies' networks from external networks.

Question 43

What are some of the changes that have occurred in our society because of the Internet? What are some disadvantages of being so dependent on the Internet?

Question 44

The ____________________ is a worldwide system composed of thousands of smaller networks.

Question 45

____________________ is a recent wireless technology that can deliver maximum speeds of up to 7 Mbps to your cell phone, home computer, or car.

Question 46

A(n) ____________________ is designed for the exclusive use of people within an organization.