Deck 10: Communicating Digital Content

Question 1

Which of the following is a simple, inexpensive network that typically connects fewer than 10 computers?

A) peer-to-peer network
B) hard network
C) MAN
D) interpolated network

Answer 1

A

Question 2

Which of the following is true of the installation of a network like the one shown in the accompanying figure?

A) It is an internal network that uses Internet technologies
B) It must span a smaller distance than a WLAN network, but it is easier.
C) It must have built-in wireless capability or the appropriate wireless network card, USB adapter, or other wireless device
D) It can span a larger distance than a P2P network, and it is easier.

Answer 2

C

Question 3

Which of the following is the least likely technology PANs would use?

A) Bluetooth
B) peer-to-peer
C) Wi-Fi
D) special USB cables

Answer 3

B

Question 4

Which of the following is a network standard that specifies no central computer or device on the network should control when data can be transmitted?

A) Ethernet
B) Telnet
C) IEEE
D) Gopher

Question 5

Which of the following terms identifies any network based on the 802.11 family of standards?

A) mesh
B) IEEE
C) Wi-Fi
D) FireWire

Question 6

How many feet can the range of Bluetooth devices be extended with additional equipment?

A) 40
B) 45
C) 125
D) 325

Question 7

As shown in the accompanying figure, what is the term for a network that covers a large geographic area, such as a city, country, or the world, using a variety of wired and wireless transmission media?

A) local area network (LAN)
B) metropolitan area network (MAN)
C) wide area network (WAN)
D) variable area network (VAN)

Question 8

In the accompanying figure, what type of LAN is shown?

A) P2P
B) SLAN
C) WLAN
D) FTP

Question 9

The type of network shown in the accompanying figure, describes a network in which each computer has equal responsibilities and capabilities. What is this kind of network called?

A) file
B) P2P
C) print
D) linked

Question 10

Which of the following is the greatest problem with regard to a bus network?

A) Devices attached or detached at any point on the bus disrupt the rest of the network.
B) Failure of one device usually affects the rest of the network.
C) The bus itself might become inoperable.
D) Bus networks are expensive and difficult to install.

Question 11

Which of the following is a LAN that uses no physical wires?

A) BLAN
B) WLAN
C) PLAN
D) TLAN

Question 12

The design of computers, devices, and media in a network is categorized as either client/server or peer-to-peer. What is the term used to refer to this characterization?

A) network topology
B) network architecture
C) network standard
D) network protocol

Question 13

Who invented the Ethernet?

A) Bill Gates
B) Robert Metcalfe
C) Larry Ellison
D) Steve Jobs

Question 14

Which of the following is a transmission media on which data, instructions, or information travel?

A) communications route
B) communications channel
C) communications flow
D) communications path

Question 15

Which of the following is the data transfer rate equivalent to one million bits per second?

A) Mbps
B) Tbps
C) Pbps
D) Gbps

Question 16

Which of the following defines guidelines that specify the way computers access the medium to which they are attached, the type(s) of medium used, the speeds used on different types of networks, and the type(s) of physical cable and/or the wireless technology used?

A) network metric
B) network index
C) network matrix
D) network standard

Question 17

Digital communications describes a process in which two or more computers or devices transfer all of the following EXCEPT ____.

A) data
B) information
C) instructions
D) networks

Question 18

On a network such as the one illustrated in the accompanying figure, what kind of computer controls access to the hardware, software, and other resources on the network and provides a centralized storage area for programs, data, and information?

A) host
B) indexed
C) client
D) master

Question 19

On a network such as the one illustrated in the accompanying figure, some servers perform a specific task and can be placed with other servers to perform multiple tasks. What are these kind of servers call?

A) baseband
B) unique
C) multitasking
D) dedicated

Question 20

On what kind of network, such as that illustrated in the accompanying figure, do one or more computers act as a server and the other computers on the network request services from the server?

A) dedicated
B) client/server
C) integrated
D) indexed

Question 21

Which of the following kinds of devices is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device?

A) linkage
B) communications
C) dial-up
D) baseband

Question 22

For best performance of a communications channel, which of the following should be true?

A) bandwidth and latency should be low
B) bandwidth should be low and latency high
C) bandwidth should be high and latency low
D) bandwidth and latency should be high

Question 23

Which of the following can detect problems-such as why traffic is flowing slowly-on networks that use the TCP/IP protocol?

A) Ethernet analyzers
B) bit monitoring scripts
C) torrent flow apps
D) packet sniffer software

Question 24

Which of the following has the fastest transfer rate?

A) T3
B) ATM
C) Fractional T1
D) FTTP

Question 25

Which of the following can be avoided if a computer or mobile device has a motherboard that integrates networking capability?

A) hub
B) packet
C) node
D) NIC

Question 26

Which of the following terms is the time it takes a signal to travel from one location to another on a network?

A) latency
B) symmetry
C) frequency
D) delay register

Question 27

Which of the following is true of DSL?

A) It is a popular digital line alternative for the small business or home user.
B) Users share DSL nodes with up to hundreds of other users.
C) It uses a line that is shared with other users in the neighborhood.
D) It has widespread availability.

Question 28

The amount of data, instructions, and information that can travel over a communications channel sometimes is called which of the following?

A) broadband
B) latency
C) baseband
D) bandwidth

Question 29

Which of the following terms is an electrical disturbance that can degrade communications?

A) latency
B) noise
C) coax
D) hub

Question 30

Which of the following enables a computer or device that does not have built-in networking capability to access a network?

A) hub
B) packet
C) NIC
D) router

Question 31

Many home users are connecting multiple computers and devices together into a system. What is the name for this system?

A) home grid
B) file share
C) residential multiplex
D) home network

Question 32

Which of the following has the fastest transfer rate?

A) Cable
B) DSL
C) ISDN
D) FTTP

Question 33

Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating?

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

Question 34

Which of the following did Sven Mattisson and Jaap Haartsen invent?

A) Ethernet
B) IrDA
C) WiMAX
D) Bluetooth

Question 35

How many wired and/or wireless computers and mobile devices might a router be able to connect?

A) more than 200
B) more than 450
C) more than 500
D) There is no limit.

Question 36

Which of the following is a communications device that connects multiple computers together and transmits data to its correct destination on a network?

A) grid
B) multiplexer
C) baseband modem
D) router

Question 37

Which of the following kinds of modems is a modem that sends and receives digital data over and information to and from a digital line?

A) wireless
B) broadband
C) access
D) baseband

Question 38

For smaller business and home networks, which of the following allows multiple computers to share a single broadband Internet connection such as through a cable modem or DSL modem?

A) multiplexer
B) router
C) grid
D) baseband modem

Question 39

Which of the following defines how a network uses close-range radio signals to communicate between two devices or objects equipped with this technology?

A) NFC
B) IrDA
C) VoIP
D) WiMAX

Question 40

Which of the following is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network?

A) wireless link
B) router
C) wireless access point
D) integral point

Question 41

How are standards such as EDI used by businesses?

A) to secure their network
B) to define how data transmits across transmission media
C) as a service for transferring funds
D) to classify their network cable types in order to connect devices

Question 42

Which of the following is an earth-based reflective dish that contains the antenna, transceivers, and other equipment necessary for microwave communications?

A) domestic carrier
B) interstellar transport
C) microwave station
D) planetary dish

Question 43

Your school computer library has a network that connects computers and devices within a few small rooms. What type of network does it likely use?

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

Question 44

Your smartphone, digital camera, and printer are all part of a network in your workspace. What type of network is likely in use?

A) LAN
B) PAN
C) MAN
D) VAN

Question 45

What does EFT stand for?

A) external fee transfer
B) external funds transportation
C) electronic fee transportation
D) electronic funds transfer

Question 46

What is a sending device?

A) a device that initiates an instruction to transmit data, instructions, or information
B) a device that connects to a communications channel
C) a device on which data, instructions, and information travel
D) a device that accepts the transmission of data, instructions, or information

Question 47

Which of the following is true of broadcast radio with regard to physical transmission media?

A) It is slower and more susceptible to noise.
B) It is slower and less susceptible to noise.
C) It is faster and more susceptible to noise.
D) It is faster and less susceptible to noise.

Question 48

Which of the following is a wireless transmission medium that distributes radio signals through the air over long distances?

A) mobile transmission
B) optical resolution
C) bandless transmission
D) broadcast radio

Question 49

Which of the following are radio waves that provide a high-speed signal transmission?

A) generations
B) microwaves
C) fixed access events
D) indices

Question 50

What is a receiving device?

A) a device that initiates an instruction to transmit data, instructions, or information
B) a device that connects to a communications channel
C) a device on which data, instructions, and information travel
D) a device that accepts the transmission of data, instructions, or information

Question 51

Which of the following is not an application of communications satellite technology?

A) GPS
B) paging
C) weather forecasting
D) fixed wireless

Question 52

What term describes the process in which two or more computers or devices transfer data, instructions, and information?

A) digital cybering
B) digital communication
C) digital channeling
D) digital connecting

Question 53

Microwave transmission involves sending signals from one microwave station to another. What is this often called?

A) line-of-sight transmission
B) flexed-point wireless
C) out-of-sight transmission
D) fixed wireless

Question 54

Which of the following statements is not true of peer-to-peer networks?

A) Each computer has equal responsibilities and capabilities.
B) The network operating system is stored on a network server.
C) They are simple, inexpensive networks that typically connect fewer than 10 computers.
D) Each computer stores files on its own storage device.

Question 55

Which of the following statements best describes a BAN?

A) a network that covers a broad area
B) a network type that is not allowed because of concerns about invasion of privacy
C) a set of wearable or implanted body sensors that turns the body into a human router
D) a device that uses Bluetooth technology to set up a network

Question 56

What is the maximum transfer transmission rate for Bluetooth?

A) 24 Mbps
B) 54 Mbps
C) 300 Mbps
D) 1 Gbps

Question 57

Which of the following is the maximum transfer transmission rate for communications satellites?

A) 2.56 Mbps
B) 2.56 Gbps
C) 25 Gbps
D) 2.56 Tbps

Question 58

What is another term for servers that control access to the hardware, software, and other network resources?

A) client computers
B) node computers
C) receiver computers
D) host computers

Question 59

Network servers and web servers are examples of what type of server?

A) client servers
B) dedicated servers
C) device servers
D) resource servers

Question 60

You own a third-party business that provides networking services such as EDI, secure data and information transfer, storage, and email. Into what category of business does this business fall?

A) EAN
B) NIC
C) CIN
D) VAN

Question 61

About which of the following do privacy advocates worry can destroy a person's anonymity?

A) RFID
B) Bluetooth
C) NFC
D) UWB

Question 62

Which of the following is not an example of a dedicated line?

A) ISDN
B) DSL
C) dial-up
D) ATM

Question 63

Which of the following technologies is your new mobile phone payment device most likely to use?

A) Token ring
B) Bluetooth
C) WiMax
D) NFC

Question 64

Which of the following statements is not true of Wi-Fi?

A) When a Wi-Fi network accesses the Internet, it works in conjunction with the TCP/IP network standard.
B) Wi-Fi sometimes is referred to as wireless Ethernet.
C) Even if two products are Wi-Fi Certified, they must share the same platform in order to communicate.
D) In open or outdoor areas free from interference, computers or devices should be within 300 feet of each other to be able to communicate.

Question 65

Which of the following technologies is your new remote control most likely to use?

A) TCP/IP
B) Bluetooth
C) IrDA
D) RFID

Question 66

Which of the following is not true of communications software?

A) Some communications devices require separate communications software to ensure proper data transmission.
B) Email, FTP, and VoIP are examples of system software for communications.
C) Communications software can help users establish a connection to another computer, mobile device, or network.
D) Communications software works with network standards and protocols to ensure data moves through the network or Internet correctly.

Question 67

Which of the following best describes DSL connections?

A) transmits at fast speeds on existing standard copper telephone wiring; popular for small business or home user
B) uses long-distance digital telephone lines to carry multiple signals over a single line; only medium to large companies can afford them
C) uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical, permanent location
D) a service that carries voice, data, video, and multimedia at a high speed; used by telephone networks and the Internet

Question 68

What is the definition of a protocol, as it applies to networks?

A) the language used to translate analog signals into digital signals
B) a method for connecting nodes on a network
C) the rules governing acceptable network use by employees or other users
D) a standard that outlines characteristics of how two network devices communicate

Question 69

Which of the following technologies is the new tollbooth on the local highway most likely to use?

A) TCP/IP
B) Bluetooth
C) IrDA
D) RFID

Question 70

Which of the following statements best describes the Ethernet network standard?

A) no central computer or device on the network should control when data can be transmitted
B) describes rules for dividing messages into small pieces, called packets
C) computers and devices on the network share or pass a special signal in a unidirectional manner and in a preset order
D) computers on a network cannot communicate unless they share the same form of translation

Question 71

You run a large network in which it is important to keep a duplicate of the central devices in case the primary one fails. What category of network topology does this network use?

A) bus network
B) ring network
C) star network
D) core network

Question 72

Which network type connects each computer and device to a central device?

A) a bus network
B) a ring network
C) a star network
D) a core network

Question 73

Which group developed the WiMAX standard?

A) ANSI
B) IBM
C) IEEE
D) W3C

Question 74

What is the term used to connect a device to a network that has an IP address?

A) bus
B) link
C) node
D) core

Question 75

You love to take pictures of your family. What standard do you use to print pictures directly from your camera?

A) USB
B) WBA
C) IBW
D) UWB

Question 76

Which of the following technologies is your new inventory tracking system at your small business most likely to use?

A) TCP/IP
B) Bluetooth
C) IrDA
D) UWB

Question 77

What is the approximate distance most Bluetooth devices can be from each other to communicate, without using additional equipment?

A) 8 feet
B) 33 feet
C) 80 feet
D) 100 feet

Question 78

What is another term for an Internet peer-to-peer network?

A) a file sharing network
B) a client/server network
C) a WLAN
D) an interconnected webwork

Question 79

Which of the following technologies is your new wireless headset most likely to use?

A) TCP/IP
B) Bluetooth
C) IrDA
D) RFID

Question 80

Which statement best describes how the RFID standard works?

A) The network uses radio signals to communicate with a tag placed in or attached to an object, animal, or person.
B) Two connected network devices use infrared light to create a direct frequency.
C) A node on a network must have an individual ID code that can communicate with other ready devices.
D) The network uses reference devices instead of actual devices to speed up the transmission process.