Deck 8: Networking and Digital Communication

Question 1

The U.S.Department of Defense uses a(n)________,which is a specialized network used to determine locations,maps,and directions using signals from satellites that are orbiting the Earth.

A)mesh network
B)NIC
C)MAN
D)GPS

Answer 1

D

Question 2

In the 1970s,Xerox developed ________,which continues to be a popular networking architecture.

A)Wi-Fi
B)the Internet
C)extranet
D)Ethernet

Answer 2

D

Question 3

All of the following are essential components of every computer system EXCEPT:

A)software.
B)hardware.
C)people.
D)networks.

Answer 3

D

Question 4

Large organizations may operate a ________ network to connect its LANs and transmit data at more than 1 gigabit per second.

A)node
B)local area
C)backbone
D)mesh

Question 5

________ are hardware devices or software programs that direct messages as they travel between networks.

A)Routers
B)Modems
C)Satellites
D)Ports

Question 6

A(n)________ network is often used to set up a temporary communications system that requires no centralized router.

A)local area
B)wide area
C)mesh
D)metropolitan area

Question 7

All of the following are advantages of using a computer network EXCEPT that it

A)reduces costs by sharing hardware.
B)promotes independence so users have exclusive control over their own data and applications.
C)increases efficiency when software is shared.
D)increases communication and productivity.

Question 8

The system of satellites used to determine any position on the Earth is known as

A)GPS.
B)LAN.
C)Wi-Fi.
D)MAN.

Question 9

The most basic computer network can be described as

A)a minimum of five computers linked together.
B)the Internet.
C)two or more computers that are linked together.
D)the use of satellites linking computers together.

Question 10

A ________ is a network of computers in a close physical area.

A)WAN
B)MAN
C)LAN
D)GAN

Question 11

Each individual computer and networked peripheral attached to a LAN is a

A)node.
B)server.
C)router.
D)hub.

Question 12

Remote access means that a(n)

A)computer is linked directly to a network.
B)technical support agent can access your computer.
C)user is connecting to a network through a phone line, television cable, or wireless link.
D)LAN is set up in an office in a remote location.

Question 13

A(n)________ broadcasts messages to all devices connected to a LAN.

A)switch
B)port
C)hub
D)NIC

Question 14

Networks that use electrical lines are sometimes called ________.

A)power-line networks
B)electrical-line networks
C)twisted pair networks
D)power-line paired networks

Question 15

Cables containing copper wires that resemble those in standard telephone cables are known as ________ cables.

A)coaxial
B)fiber-optic
C)Wi-Fi
D)twisted pair

Question 16

The device or program that forwards messages between networks is known as a

A)bridge.
B)router.
C)backbone.
D)gateway.

Question 17

A newer PC will likely have an Ethernet ________ on the main circuit board so it can directly connect to an Ethernet network.

A)router
B)cable
C)port
D)jack

Question 18

In a local area network,a ________ only transmits data to the destination node.

A)switch
B)port
C)hub
D)NIC

Question 19

All of the following statements are true EXCEPT:

A)Wireless networks are convenient for people on the move.
B)Wireless networks are easier to install because they don't require drilling or digging.
C)Wireless networks use radio transmitters.
D)Wireless networks are faster than wired networks.

Question 20

The primary difference between a LAN and a WAN is the

A)speed.
B)geographical area.
C)variety of hardware devices.
D)number of hardware devices.

Question 21

Another name for the original Ethernet standard is ________.

A)10BASE-T Ethernet
B)Fast Ethernet
C)Gigabit Ethernet
D)3G

Question 22

A ________ is a hardware device that connects a computer to a telephone line.

A)modem
B)router
C)network card
D)hub

Question 23

A(n)________ converts a message from digital to analog or from analog to digital.

A)hub
B)modem
C)switch
D)port

Question 24

Network transmission speeds are measured in ________ per second.

A)bits
B)bytes
C)binaries
D)lines

Question 25

A(n)________ cable uses light waves to transmit multimedia and voice data.

A)copper
B)twisted-pair
C)fiber-optic
D)coaxial

Question 26

T1 connections transmit data at this speed:

A)1 Mbps.
B)1.5 Mbps.
C)45 Mbps.
D)1 Gbps.

Question 27

________ is another term for millions of bits.

A)Kilobits
B)Megabits
C)Terabits
D)Gigabits

Question 28

________ refers to the quantity of data that can be transmitted through a communication medium in a given amount of time.

A)Attenuation
B)Megahertz
C)Bandwidth
D)Ethernet

Question 29

From the ground,a GPS ________ interacts with signals from a satellite to determine its position.

A)clock
B)drive
C)connector
D)receiver

Question 30

A(n)________ signal is represented by a continuous wave.

A)analog
B)digital
C)bandwidth
D)network

Question 31

A voice message must be converted to a(n)________ signal so it can be stored on a computer's hard drive.

A)Wi-Fi
B)hardcoded
C)digital
D)analog

Question 32

Dial-up modem connections are sometimes called ________ connections because they don't offer much bandwidth when compared to other types of connections.

A)narrowband
B)smallband
C)broadband
D)minimal

Question 33

T3 connections transmit data at this speed:

A)1 Mbps.
B)1.5 Mbps.
C)45 Mbps.
D)1 Gbps.

Question 34

A hard-wired Internet connection through a LAN is called a(n)________ connection.

A)dedicated
B)complete
C)indirect
D)virtual

Question 35

A single fiber-optic cable can replace ________ copper telephone cables.

A)10,000
B)16,000
C)20,000
D)30,000

Question 36

A personal area network is possible because of the wireless technology known as

A)USB.
B)FireWire.
C)Bluetooth.
D)PDA.

Question 37

A broadband connection could be any of the following EXCEPT:

A)cable modem.
B)fiber-optic.
C)wireless connection.
D)dial-up.

Question 38

The fastest Ethernet devices today follow the ________ standard.

A)10Base-T Ethernet
B)Fast Ethernet
C)100BASE-T
D)Gigabit Ethernet

Question 39

A(n)________ uses radio waves to carry information at high speed.

A)T1 connection
B)fiber-optic cable
C)wireless connection
D)phone cable

Question 40

At the receiving end of a phone call,an analog signal must be converted back into a(n)________ signal.

A)auditory
B)digital
C)analog
D)direct

Question 41

________ is a radio-based wireless standard which provides Wi-Fi style access with approximately 70 Mbps speeds to a 25-square mile area.

A)3G
B)WiMAX
C)Bluetooth
D)Infrared

Question 42

Asynchronous communication is when the sender and recipient

A)directly connect to share files.
B)do not use the same operating system.
C)do not have to be online at the same time.
D)use different software but are able to communicate through the Internet.

Question 43

A ________ is a high-speed,high-end computer that shares data and other resources with client computers.

A)server
B)super computer
C)client
D)PDA

Question 44

A ________ is a code embedded as a one-pixel graphics file in an email message which notifies the sender that the message was opened.

A)phish
B)Web bug
C)cookie
D)virus

Question 45

Graphical bodies used to represent a person in a virtual meeting place are known as

A)agents.
B)emulators.
C)avatars.
D)memes.

Question 46

Many phone companies offer ________,a technology for bringing broadband connections to homes and small businesses by sharing the copper telephone lines that carry voice calls.

A)DSL
B)cable modem connections
C)satellite connections
D)wireless connections

Question 47

A ________ network is a tunnel through the Internet that uses encryption and other security measures to keep out unauthorized users.

A)mesh
B)virtual private
C)peer-to-peer
D)local area

Question 48

The rules for how data is exchanged between devices is known as a(n)

A)protocol.
B)algorithm.
C)procedure.
D)code.

Question 49

Most Web-based email systems use ________ to retrieve mail and store the messages in a folder on a remote mail server.

A)Listserv
B)POP
C)groupware
D)P2P

Question 50

________ uses high-bandwidth connections to communicate multimedia over wireless networks,but lacks true broadband speed.

A)4G
B)DSL
C)3G
D)Wi-Fi

Question 51

A ________ network is a configuration that allows every computer on the network to act as both a client and a server.

A)client/server
B)host system
C)metropolitan area
D)peer-to-peer

Question 52

One example of a synchronous method of communication is

A)blogs.
B)instant messaging.
C)forums.
D)email.

Question 53

When a business can legally copy software to all of the computers they own,the company has a ________ license.

A)site
B)company
C)pirate
D)sharing

Question 54

Information from the Internet to the subscriber,called ________ traffic,sometimes approaches speeds similar to a T1.

A)upstream
B)downstream
C)asynchronous
D)upload

Question 55

Examples of broadband technologies include all of the following EXCEPT:

A)DSL.
B)dial-up.
C)fiber-optic.
D)All are broadband connections

Question 56

A worldwide public newsgroup available on the Internet is

A)TCP/IP.
B)Usenet.
C)Listserv.
D)Blogger.

Question 57

Internet connections that work through the same network of coaxial cables that deliver television signals work through a ________ modem.

A)fax
B)satellite
C)cable
D)POTS

Question 58

Using a PC to copy software or data from a server,is known as

A)uploading.
B)mirroring.
C)downloading.
D)server sharing.

Question 59

Data traveling from a home computer to the Internet is called

A)downstream traffic.
B)upstream traffic.
C)T1 traffic.
D)DSL traffic.

Question 60

A ________ stores data and software that can then be shared by several users.

A)file server
B)firewall
C)thread
D)client

Question 61

Computer ________ integration links computers and telephones to increase productivity.

Question 62

If one attempts to send a message to an email address which does not exist,it will return to you,or ________.

A)bounce
B)backup
C)overload
D)export

Question 63

TCP/IP is the most famous protocol for computer networking.

Question 64

Most email messages are junk email,also known as

A)IM.
B)a virus.
C)spam.
D)an avatar.

Question 65

A(n)________ area network is a network of local area networks.

Question 66

DSL is slower than fiber-optic Internet.

Question 67

The ________ encryption scheme improves the security of wireless networks.

A)WPA
B)phishing
C)VPN
D)WEP

Question 68

With VoIP,phone calls are carried over the public phone network.

Question 69

Broadband connections include all of the following EXCEPT:

A)cable modems.
B)satellites.
C)telephone modems.
D)DSL.

Question 70

MMORPGs are

A)a group of asynchronous communication methods.
B)software standards for wireless technology.
C)circuit boards for enhanced handling of multimedia.
D)online role-playing games involving hundreds of thousands of players.

Question 71

Narrowband is a network of newsgroups available worldwide through the Internet.

Question 72

A DSL connection can share signals with a telephone line.

Question 73

A scheme called ________ is designed to capture sensitive financial information from the person visiting a Web site.

A)spamming
B)phishing
C)VPN
D)MMORPG

Question 74

A ________ helps block unauthorized access to a computer.

A)bridge
B)VPN
C)WEP
D)firewall

Question 75

Wi-Fi technology can reach a range of 5 to 10 meters.

Question 76

Wi-Fi refers to

A)wireless LAN connections.
B)a new connection which uses fiber-optic cables to connect a PC to the Internet.
C)a drive on a laptop that connects to the Internet.
D)the bandwidth of the server to which a laptop connects.

Question 77

T1 and T3 connections are considered ________ connections.

A)direct
B)dial-up
C)DSL
D)slow-speed

Question 78

Bandwidth is measured in bits.

Question 79

Bluetooth technology can reach a range of 10 meters.

Question 80

________ is a secure electronic "tunnel" through the Internet that prevents unauthorized access or eavesdropping.

A)WEP
B)VPN
C)Bluetooth
D)Peer-to-peer