Exam 10: Communicating Digital Content

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Identify the letter of the choice that best matches the phrase or definition.
Premises:
Consists of a single copper wire surrounded by at least three layers.
Responses:
infrared
UWB
3G
Correct Answer:
Verified
Premises:
Responses:
Consists of a single copper wire surrounded by at least three layers.
infrared
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The most popular T-carrier line is the ____________________ line.

(Short Answer)
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Identify the letter of the choice that best matches the phrase or definition.
Premises:
Category of cellular transmission that transmits digital data at speeds from 9.6 Kbps to 144 Kbps.
Responses:
UWB
3G
fiber-optic
Correct Answer:
Verified
Premises:
Responses:
Category of cellular transmission that transmits digital data at speeds from 9.6 Kbps to 144 Kbps.
UWB
(Matching)
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What is TCP\IP and how does it work? Define packet switching in the course of your response.

(Essay)
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Identify the letter of the choice that best matches the phrase or definition.
Premises:
Transmission media that sends communications signals through the air or space using radio, microwave, and infrared signals.
Responses:
fiber-optic
cellular radio
4G
Correct Answer:
Verified
Premises:
Responses:
Transmission media that sends communications signals through the air or space using radio, microwave, and infrared signals.
fiber-optic
(Matching)
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Which of the following is the data transfer rate equivalent to one million bits per second?

(Multiple Choice)
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COGNITIVE ASSESSMENT Which of the following has a port to which a cable connects in order to coordinate the transmission and receipt of data, instructions, and information to and from the computer or device containing it?

(Multiple Choice)
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Most of today's computer networks use coaxial cable.

(True/False)
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Data, instructions, and information travel along transmission media in either analog or digital form, depending on the transmission media.

(True/False)
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The area of network communications standards is an area with which you are not familiar, so you have decided to study it in some detail. You expect to have to network a wide range of devices in the near future, so this is a timely subject of study. ​ You are looking for a technology that will replace the requirement for a line-of-sight transmission between devices like digital cameras, fax machines, and printers, and you also would like the data transfers between the devices to occur at a rate of up to 3 Mbps. Which of the following network standards is a good match for your needs?

(Multiple Choice)
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Consumers can purchase blank NFC tags at a reasonable cost and easily program them to perform certain actions.

(True/False)
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Identify the letter of the choice that best matches the phrase or definition.
Premises:
To prevent unauthorized users from accessing files and computers, many routers are protected by these.
Responses:
2G
RFID
P2P
Correct Answer:
Verified
Premises:
Responses:
To prevent unauthorized users from accessing files and computers, many routers are protected by these.
2G
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Contactless payment is a popular use of UWB technology.

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

(Multiple Choice)
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COGNITIVE ASSESSMENT Which of the following is not an example of a dedicated line?

(Multiple Choice)
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COGNITIVE ASSESSMENT About which of the following do privacy advocates worry can destroy a person's anonymity?

(Multiple Choice)
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COGNITIVE ASSESSMENT What is another term for an Internet peer-to-peer network?

(Multiple Choice)
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Which of the following is a LAN that uses no physical wires?

(Multiple Choice)
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COGNITIVE ASSESSMENT Your smartphone, digital camera, and printer are all part of a network in your workspace. What type of network is likely in use?

(Multiple Choice)
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Hot spots offer mobile users the ability to connect to the Internet with their Wi-Fi enabled wireless computers and devices.

(True/False)
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