Deck 25: Networks Fundamentals

Question 1

A(n) modem converts analog signals to digital and vice versa.

Answer 1

True

Question 2

Intranets and extranets use and support Web technologies, such as hyperlinks and HTML.

Answer 2

True

Question 3

Communication channels can include telephone systems, fiber optics, satellites, microwaves, or any combination of these.

Answer 3

True

Question 4

Which of the following is NOT an example of malicious code?

A) Trojan horses
B) Worms
C) Hackers
D) Spyware

Question 5

A(n) ____ is a software program such as Internet Explorer.

A) client
B) server
C) operating system
D) router

Question 6

With software sharing companies purchase a site license for users.

Question 7

Digital, mobile, and standard telephones are supported through the PSTN network.

Question 8

Sniffer software is used to located hot spots.

Question 9

Network connections can be in the same city or in different locations all over the world.

Question 10

Different from a desktop computer, a network server doesn't require an operating system.

Question 11

WAN stands for Wireless Access Network.

Question 12

PSTN stands for Public Switched ____ Network.

A) Telephone
B) Telecommunications
C) Technology
D) Triangular

Question 13

A telephone network is similar in makeup to a computer network, though it transfers voice data.

Question 14

The term client/server network describes a network design model.

Question 15

Networks can be categorized by type as LANs or WANs.

Question 16

Information sent over telephone lines is transmitted in the form of binary code.

Question 17

Which of the following is NOT true about network risks?

A) Server malfunctions or failures mean users temporarily lose access to printers, drives, and information.
B) A standalone system is vulnerable to the same risks as networked computers.
C) Hackers can delete data.
D) Some people threaten networks and data by creating viruses and other types of malicious software..

Question 18

The cost for e-mail depends on the size of the message and the distance the message has to travel.

Question 19

To communicate on a WLAN, the computer and other devices that access the network must contain a modem.

Question 20

Which of the following is true about the benefits of networking?

A) People share information through special group projects, databases, blogs, FTP, and more.
B) One hardware device connected to a network can serve the needs of many users.
C) Software sharing saves money.
D) All of the above are true.

Question 21

The ____________________ is the biggest network of all.

Question 22

____ operating systems provide network control and include special functions for connecting computers and other devices.

A) Client
B) LAN
C) Server
D) WAN

Question 23

Ali is researching communication hardware for her Intro to Networking class so that she can write a report for her instructor. Ali learns that ____ is high-speed Internet access.

A) dial-up
B) USB
C) broadband
D) firewall

Question 24

A(n) ____________________ directs traffic on the Internet or on multiple connected networks.

Question 25

Which of the following is NOT true about connecting to the Internet?

A) A cable modem uses the same type of cable as used for cable TV.
B) A cable modem can be connected to a router so that your computer has wireless access to the Internet.
C) T-1 lines can be used for data transfer on a network or provide phone service for a building.
D) A DSL can carry data, but not voice.

Question 26

A(n) ____________________ is a small, simple, inexpensive device that joins multiple computers together.

Question 27

Which of the following types of networks use IP technology?

A) Intranets
B) Extranets
C) the Internet
D) All of the above

Question 28

____ consist of special hardware and software that protects an Internal network from external networks.

A) Proxy servers
B) Antivirus
C) Biometrics
D) Firewalls

Question 29

Which of the following is NOT a type of server operating system?

A) Microsoft Windows
B) Mac OS X
C) Adobe Dreamweaver
D) UNIX/Linux

Question 30

Which of the following is NOT a classification type of network?

A) client/server
B) peer-to-peer
C) intranet
D) LAN

Question 31

Which of the following is NOT true about network security?

A) It is not always evident that some type of computer crime or intrusion has occurred.
B) The best way to protect data is to effectively control access to it.
C) The most common form of restricting access to data is biometrics.
D) A secure password uses a mixture of upper- and lower-case letters, as well as numbers and special characters.

Question 32

Ali is researching communication hardware for her Intro to Networking class so that she can write a report for her instructor. Ali learns that all of the following are true, EXCEPT: ____.

A) a cable modem can be connected directly to your computer, enabling you to connect to the Internet.
B) DSL modems are widely used to provide broadband Internet access.
C) T-1 lines can be used to transmit 25 digitized voice channels.
D) sniffer software devices are usually external devices, not built-in.

Question 33

A(n) ____________________ is a group of two or more computers linked together.

Question 34

The figure above shows examples of a(n) ____ network.

A) client/server
B) peer-to-peer
C) intranet
D) extranet

Question 35

Which of the following is NOT true about the networks shown in the figure above?

A) No computer is designated as the server.
B) People on the network can determine what files on their computer they share with others on the network.
C) Designed for the exclusive use of people within an organization.
D) Used in many small offices.

Question 36

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

Question 37

Simon is in charge of network security at a medium-sized company. His boss has asked him to give an overview of the company's network security to the board of directors. Simon tells the board that his department does all of the following, EXCEPT: ____.

A) regularly back up data and store it off site.
B) occasionally run antivirus software in order to protect data and programs.
C) use biometric security measures, which examine a fingerprint in order to gain access to a secure area.
D) use a firewall to keep unauthorized users from accessing the computers.

Question 38

Most WANs consist of two or more LANs and are connected by ____.

A) routers
B) modems
C) cables
D) nodes

Question 39

A(n) ____ is hardware (a computer) that can be used to share mail, databases, and more.

A) client
B) server
C) operating system
D) router

Question 40

Simon is in charge of network security at a medium-sized company. His boss has asked him to give an overview of the company's network security to the board of directors. Simon tells the board that he uses a(n) ____ as an intermediary between a user and the Internet, ensuring security, administrative control, and caching service.

A) proxy server
B) firewall
C) router
D) hub

Question 41

Do you always know that computer crime or an intrusion has occurred? What is the best way to protect data? What might someone do if they gain unauthorized access to data? What is the most common form of restricting access? What should a secure password include? Give an example of a secure password. How is most password protection broken?