Exam 10: Communicating Digital Content

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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 multiplexing.

(True/False)
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COGNITIVE ASSESSMENT You want to use the UMB cellular transmission standard on your new mobile phone. Which standard will you use?

(Multiple Choice)
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In ____________________ wire, each cable consists of two separate insulated copper wires that are twisted together.

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On a client\server network, one or more computers act as a server, and the other computers on the network request services from the server.

(True/False)
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COGNITIVE ASSESSMENT Which of the following has the fastest maximum transfer transmission rate?

(Multiple Choice)
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A DSL modem converts digital signals to analog signals and vice versa so that data can travel along an analog phone line.

(True/False)
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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?

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A(n)____________________ line is equal in speed to 28 T1 lines but quite expensive.

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ISDN is more widely used now than in the past.

(True/False)
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A star network consists of a single central cable, to which all computers and other devices connect.

(True/False)
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On networks that use the TCP\IP protocol, ____________________ software monitors and logs packet traffic for later analysis.

(Short Answer)
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Identify the letter of the choice that best matches the phrase or definition.
Premises:
Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel.
Responses:
UWB
fiber-optic
4G
Correct Answer:
Verified
Premises:
Responses:
Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel.
UWB
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COGNITIVE ASSESSMENT Which of the following communications technologies does not use broadcast radio signals?

(Multiple Choice)
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Which of the following is true of DSL?

(Multiple Choice)
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  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? 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?

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

(Multiple Choice)
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Identify the letter of the choice that best matches the phrase or definition.
Premises:
Type of lines that can be either analog or digital.
Responses:
3G
P2P
firewalls
Correct Answer:
Verified
Premises:
Responses:
Type of lines that can be either analog or digital.
3G
(Matching)
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Each token ring network has several tokens.

(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 way to transmit signals through a door, and with a high transfer rate, because you have some video to transfer from a digital video camera. Which of the following protocols is the best bet for you?

(Multiple Choice)
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COGNITIVE ASSESSMENT Which of the following is not true of communications software?

(Multiple Choice)
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