Question 1

COGNITIVE ASSESSMENT Which is the best description of a coaxial cable?

Accepted Answer

A)   one or more pairs of copper wires bundled together
B)   a cohesive cable connected at axis points
C)   dozens or hundreds of thin strands of glass or plastic that use light to transmit signals
D)   a single copper wire surrounded by at least three layersE) B) and D)
F) C) and D)

Question 2

COGNITIVE ASSESSMENT Which group developed the WiMAX standard?

Accepted Answer

A)   ANSI
B)   IBM
C)   IEEE
D)   W3CE) A) and D)
F) B) and C)

Question 3

Fiber-optic cables have the capability of carrying significantly more signals than wire cables.

Accepted Answer

A) True 
 B)False

Question 4

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?

Accepted Answer

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

Question 5

COGNITIVE ASSESSMENT Which of the following offers an alternative to infrared communications with high bandwidth transmissions?

Accepted Answer

A)   Bluetooth
B)   Wi-Fi
C)   cellular radio
D)   IrDAE) A) and B)
F) B) and D)

Question 6

____________________ is a set of standards for digital transmission of data over standard copper telephone lines.

Accepted Answer

ISDN,Integrated Services Digit...

Question 7

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

Accepted Answer

A)   peer-to-peer network
B)   hard network
C)   MAN
D)   interpolated networkE) A) and B)
F) All of the above

Question 8

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

Accepted Answer

A)   home grid
B)   file share
C)   residential multiplex
D)   home networkE) A) and C)
F) C) and D)

Question 9

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

Accepted Answer

A)   latency
B)   noise
C)   coax
D)   hubE) A) and B)
F) A) and C)

Question 10

COGNITIVE ASSESSMENT How are standards such as EDI used by businesses?

Accepted Answer

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 devicesE) B) and D)
F) B) and C)

Question 11

A(n)____________________ device is a device that accepts the transmission of data, instructions, or information.

Accepted Answer

The answer of A(n)____________________ device is a device that accepts...

Question 12

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

Accepted Answer

A)   hub
B)   packet
C)   NIC
D)   routerE) A) and B)
F) All of the above

Question 13

ADSL is ideal for Internet access because most users upload more information than they download from the Internet.

Accepted Answer

A) True 
 B)False

Question 14

​____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP.

Accepted Answer

A)   ​Internet research
B)   ​Communications software
C)   ​File sharing
D)   ​Network configurationE) B) and C)
F) B) and D)

Question 15

An extranet essentially is a small version of the Internet that exists within an organization.

Accepted Answer

A) True 
 B)False

Question 16

COGNITIVE ASSESSMENT What is a sending device?

Accepted Answer

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 informationE) None of the above
F) B) and D)

Question 17

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

Accepted Answer

A)   domestic carrier
B)   interstellar transport
C)   microwave station
D)   planetary dishE) C) and D)
F) All of the above

Question 18

Transmission from a satellite to an earth-based station is called an uplink.

Accepted Answer

A) True 
 B)False

Question 19

Some mobile users have a wireless modem that uses a mobile phone provider's network to connect to the Internet wirelessly from a computer or other mobile device.

Accepted Answer

A) True 
 B)False

Question 20

With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called ____________________.

Accepted Answer

The answer of With ISDN, the same telephone line that...

Exam 10: Communicating Digital Content

An extranet essentially is a small version of the Internet that exists within an organization.

Correct AnswerverifiedShow Answer

COGNITIVE ASSESSMENT Which group developed the WiMAX standard?

Correct AnswerverifiedShow Answer

COGNITIVE ASSESSMENT Which of the following offers an alternative to infrared communications with high bandwidth transmissions?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Transmission from a satellite to an earth-based station is called an uplink.

Correct AnswerverifiedShow Answer

____________________ is a set of standards for digital transmission of data over standard copper telephone lines.

Correct AnswerverifiedISDN,Integrated Services Digit...View AnswerShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

​____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP.

Correct AnswerverifiedShow Answer

With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called ____________________.

Correct AnswerverifiedShow Answer

Some mobile users have a wireless modem that uses a mobile phone provider's network to connect to the Internet wirelessly from a computer or other mobile device.

Correct AnswerverifiedShow Answer

COGNITIVE ASSESSMENT Which is the best description of a coaxial cable?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

COGNITIVE ASSESSMENT What is a sending device?

Correct AnswerverifiedShow Answer

ADSL is ideal for Internet access because most users upload more information than they download from the Internet.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

COGNITIVE ASSESSMENT How are standards such as EDI used by businesses?

Correct AnswerverifiedShow Answer

Fiber-optic cables have the capability of carrying significantly more signals than wire cables.

Correct AnswerverifiedShow Answer

A(n)____________________ device is a device that accepts the transmission of data, instructions, or information.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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ISDN,Integrated Services Digit...
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____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP.

Correct Answer
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