Deck 6: Telecommunications and Networks

Question 1

What network connects computer systems and devices within an office, home, or several floors in a building?

A)a metropolitan area network
B)a local area network
C)a wide area network
D)a personal area network

Answer 1

B

Question 2

Which frequency is commonly used for wireless communications?

A)3G frequency
B)radio frequency
C)wireless frequency
D)ultra-low frequency

Answer 2

B

Question 3

Who creates smartphone applications?

A)user groups
B)international consultants
C)third-party software developers
D)administrators of the communications network

Answer 3

C

Question 4

What communication channel is similar to two people talking on the phone exchanging information and interrupting each other if needed?

A)simplex
B)half-duplex
C)full-duplex
D)dual

Question 5

What smartphone uses the RIM operating system?

A)Apple iPhone
B)Palm
C)BlackBerry
D)Android

Question 6

What device converts a signal from binary or analog form into a signal of another form?

A)a router
B)a modem
C)a multiplexer
D)a switch

Question 7

What very short-range wireless connectivity technology enables consumers to swipe their credit cards or even cell phones within a few inches of a special point of sale terminal to pay for purchases?

A)Wi-Fi
B)bluetooth
C)ultra wideband
D)near field communications

Question 8

Robell is a new telecommunication company offering high-end communication services that will provide the fastest transmission of data.The service is targeting large organizations that are willing to pay a high subscription rate.What type of transmission media did Robell use?

A)twisted-pair
B)co-axial cable
C)fibre-optic
D)power-line cable

Question 9

What wireless telecommunications technology brand, owned by an alliance of 300 technology companies, is popping up at airports, coffee shops, college campuses, libraries, and restaurants?

A)4G
B)Wi-Fi
C)UWB
D)WiMAX

Question 10

What type of networks would a university use to connect all its campus throughout the Greater Toronto Area?

A)a personal area network
B)a local area network
C)a wide-area network
D)a metropolitan area network

Question 11

What is the name given to communication services operating over a total fibre-optic network?

A)BPL
B)Bluetooth
C)FiOS
D)NFC

Question 12

What system can support wireless communications at a rate of 70 Mbps between towers located up to 50 kilometres apart?

A)Wi-Fi
B)WiMax
C)Bluetooth
D)ultra wideband

Question 13

Which of the following devices operate over greater distances and at fast transmission speeds?

A)broadband
B)ZigBee
C)WiMAX
D)ultra wideband

Question 14

What is the term used for providing Internet access to homes and businesses over standard high-voltage power lines

A)DSL
B)WiMAX
C)4G
D)BPL

Question 15

What basic processing alternative places isolated processing devices, which cannot communicate with other devices, at various remote locations?

A)file processing
B)batch processing
C)distributed processing
D)decentralized processing

Question 16

What did the Government of Canada do in regards to building out the broadband infrastructure in Canada?

A)It partnered with telecommunications companies to extend Internet coverage in rural areas.
B)It provided $225 million to expand Internet coverage in urban areas.
C)It subsidized the development of road and highways as an incentive to facilitate telecommunications development
D)It developed plans to provide high-speed Internet access to unserved areas.

Question 17

What type of satellite system employs many satellites, each in an orbit at an altitude of less than 1,600 kilometres?

A)a very small aperture satellite system
B)a microwave satellite system
C)a low-Earth orbit satellite system
D)a geostationary satellite system

Question 18

What is an area covered by one or more interconnected wireless access points commonly called?

A)a reception area
B)a hot spot
C)a coverage zone
D)a station site

Question 19

Exotic Food Canada Inc.is a premium food chain with offices all over Ontario.Each of its offices has different information systems.What model of processing will fit Exotic Food Canada Inc.?

A)centralized processing
B)decentralized processing
C)distributed processing
D)customized processing

Question 20

What type of communication devices will enable Charlie to wirelessly connect his Smartphone to the audio devices in his car so he can be hands-free?

A)near field
B)short band
C)Bluetooth
D)Wi-Fi

Question 21

Which of the following is NOT supported by unified communications?

A)e-mail
B)voice mail
C)Web presence
D)instant messaging

Question 22

Telecommunications devices relay signals between computer systems and transmission media.

Question 23

The ITU and the IEEE are two telecommunications standards-setting organizations in the U.S.

Question 24

What type of people is well-suited for telecommuting?

A)salespeople
B)executive people
C)project managers
D)business sponsors

Question 25

In the face of a slowdown in the economy, many organizations are cancelling video teleconferencing meetings and replacing them with business travel in order to save on costs.

Question 26

Bayleaf is an area with a high concentration of senior citizens who require special assistance, especially those who are having mobility issues.Which of the following services will directly help this community?

A)Electronic document distribution service
B)call centres service
C)reverse 911 service
D)voice mail-to-text service

Question 27

What is one way to help safeguard a wireless network?

A)connect to the router and change the default logon and password
B)enable service set identifier broadcasting
C)configure the security to WEP
D)disable the admin access

Question 28

A half-duplex channel can transmit data in either direction, but not simultaneously.

Question 29

A networking protocol is a set of rules, algorithms, messages, and other mechanisms that enables software and hardware in networked devices to communicate effectively.

Question 30

How many GPS satellites are used to determine the accurate position of a GPS receiver?

A)three
B)four
C)five
D)six

Question 31

Alex must protect his research data when it is sent abroad for review.What measures will he use to protect his data?

A)encryption
B)a virtual private network
C)a dedicated network service
D)a personal area bridge

Question 32

Kbps stands for thousands of bytes per second.

Question 33

What does an asymmetric DSL provide?

A)high-speed Internet access over a subscribers cable network
B)an additional phone line to receive "always on" Internet access
C)a dedicated connection from each user to the phone company's local telephone office
D)a level of service that is independent of how far the subscriber is from the local telephone office

Question 34

At Athabasca University in Alberta, distance learning is made possible via the use of telecommuting.

Question 35

What does a VPN provide to users?

A)a personalized password
B)a personal network at home
C)access to an organization's public network
D)a token that displays a constantly changing password

Question 36

The CRTC created a registry to deal with solicitation.What is the name given to this registry?

A)National Do Not Call Registry
B)National Do Not Disturb Registry
C)National Call Centre Access Registry
D)National Automatic Call Centre Registry

Question 37

What can a network manager do with network-management software?

A)create folders
B)scan for viruses
C)implement password assignments
D)monitor the Internet usage of users

Question 38

What is a common aspect of a multiplexer?

A)It is used on local phone calls
B)It can greatly increase telecommunications costs
C)It greatly affects the speed and quality of an individual call
D)It combines data from multiple sources into a single output signal that carries multiple channels

Question 39

Ali is looking at how to manage office space since he has many more consultants than offices for each one of them.The consultants are equipped with laptops and can work practically everywhere where they can access the Internet.What can he implement that would work?

A)videoconference
B)electronic data interchange
C)shift work schedules
D)telecommuting

Question 40

What two operating systems are NOT commonly used on smartphones?

A)Symbian and Palm OS
B)iPhone OS and RIM OS
C)HP UX and z/OS
D)Android and Microsoft Windows Mobile

Question 41

There are well over 2 billion cell phone users worldwide.

Question 42

A metropolitan area network is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.

Question 43

Organizations need telecommunications solutions that provide more and more bandwidth.

Question 44

Bluetooth is a wireless communications specification that describes how to connect various telecommunications devices over distances of up to 30 metres at speeds greater than 5 Mbps.

Question 45

Network management software controls the computer systems and devices in a network and allows them to communicate with each other.

Question 46

Most wireless networks now use the Wi-Fi Protected Access (WPA) security protocol that offers significantly improved protection over wired equivalent privacy (WEP).

Question 47

Transmission media can be divided into two broad categories: guided transmission and wireless transmission.

Question 48

With distributed processing, processing devices are placed at remote locations, but are connected to each other via a network.

Question 49

A geostationary satellite orbits the Earth in a very low orbit at an altitude of less than 10,000 kilometres.

Question 50

Microwave is a high-frequency signal sent through the air via line-of-sight, often between Earth-based stations or between Earth-based stations and satellites.

Question 51

The process of translating an analog signal to a digital signal is called modulation.

Question 52

Sending an e-mail message is an example of asynchronous communications.

Question 53

Guided media networks are inherently more secure than wireless networks.

Question 54

A VPN supports a secure, encrypted connection between an organization's private network and remote users.

Question 55

A PBX is a telephone switching exchange that serves a single organization, enabling users to share a certain number of outside lines (trunk lines) to make telephone calls to people outside the organization.

Question 56

The Droid smartphone is manufactured by Motorola and uses the Android operating system from Apple.

Question 57

Fortunately, there is a single, unified, worldwide standard for 3G communications, which simplifies the deployment of 3G communications equipment and devices.

Question 58

In file server systems, multiple computer platforms are dedicated to special functions, such as database management, printing, communications, and program execution.

Question 59

In a circuit-switching network, no fixed path is created between the communicating devices, and the data is broken into packets for sending over the network.

Question 60

Broadband communications means high-speed, wireless communications.

Question 61

____________________ is a very short-range wireless connectivity technology designed for cell phones and credit cards.

Question 62

Picocells deliver high-speed Internet access to homes and small businesses over existing phone lines.

Question 63

The traditional telephone network is an example of a(n) ____________________ network.

Question 64

A(n) ____________________ is a form of distance learning where students and instructor attend the online course at the same time.

Question 65

Ryerson University's Rogers Communication Centre building in Ontario was the first media building in Canada to be wired to handle __________ Ethernet desktop applications.

Question 66

____________________ refers to the rate at which data is exchanged, usually measured in bits per second.

Question 67

A(n) ____________________ is any material substance that carries an electronic signal to support communications between a sending and receiving device.

Question 68

____________________ refers to the electronic transmission of signals for communications.

Question 69

In a packet switching network, no ____________________ is created between the communicating devices.

Question 70

GPS receivers receive the signals from four GPS satellites to determine a highly accurate location of the receiver, even though just three signals are sufficient.

Question 71

eBay, Google, Microsoft, and Yahoo are promoting themselves by providing free ____________________ to people at several airports.

Question 72

____________________ is a wireless communications technology that transmits extremely short electromagnetic pulses, lasting just 50 to 1,000 picoseconds, across a broad range of radio frequencies of several gigahertz.

Question 73

Automated clearing house and wire transfer are two forms of electronic funds transfer.

Question 74

____________________ is a transmission media type that uses twisted pairs of copper wire that may be shielded or unshielded.

Question 75

The Internet is an example of a packet switching network that uses the packet switching protocol called ____________________.

Question 76

____________________ enables users of multifunctional devices to synchronize with information in a desktop computer, send or receive faxes, print, and generally coordinate all mobile and fixed computer devices.

Question 77

____________________ is a common form of guided transmission media that uses extremely thin strands of glass bound together in a sheathing and light beams to transmit signals.

Question 78

____________________ transmission involves the broadcast of communications in one of three frequency ranges: microwave, radio, and infrared.

Question 79

A(n) ____________________ channel permits data transmission in both directions at the same time.

Question 80

In addition to providing broadband service to electric customers, ____________________ connectivity will enable electric companies to better monitor, manage, and control the reliability of their electric grids.