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The maximum distance a signal can travel and still be interpreted accurately is equal to a segment's maximum length.

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Describe what FDM (frequency division multiplexing) is and how it works.

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FDM (frequency division multiplexing) is...

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The most significant factor in choosing a transmission method is its ____.


A) noise
B) attenuation
C) throughput
D) latency

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Match each item with a statement below:

Premises
A form of transmission in which signals are modulated as radio frequency (RF) analog waves that use different frequency ranges.
Transmission that involves one transmitter and multiple, undefined receivers.
A common source of noise.
Transmission form in which (typically) digital signals are sent through direct current (DC) pulses applied to the wire.
Part of the network that does not contain end nodes.
Technology used to modify analog signals to make them suitable for carrying data over a communication path.
Transmission that issues signals to multiple, defined recipients.
Every pulse in a digital signal.
Part of a network that contains end nodes.
Responses
EMI (electromagnetic interference)
baseband
bit
nonbroadcast
Broadcast
unpopulated segment
populated segment
Broadband
data modulation

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A form of transmission in which signals are modulated as radio frequency (RF) analog waves that use different frequency ranges.
Transmission that involves one transmitter and multiple, undefined receivers.
A common source of noise.
Transmission form in which (typically) digital signals are sent through direct current (DC) pulses applied to the wire.
Part of the network that does not contain end nodes.
Technology used to modify analog signals to make them suitable for carrying data over a communication path.
Transmission that issues signals to multiple, defined recipients.
Every pulse in a digital signal.
Part of a network that contains end nodes.

Which term describes the hardware that makes up the enterprise-wide cabling system?


A) wiring board
B) patch panel
C) network diagram
D) cable plant

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____________________ cabling consists of one or more insulated wire pairs encased in a plastic sheath.

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UTP (unshielded twis...

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The serial interface on the back of the connectivity device is often labeled "____."


A) Connector
B) Port
C) Board
D) Console

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Which connector is used in RS-232 transmissions?


A) DB-25
B) ST
C) BNC
D) Cat-5

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Explain how half-duplex transmissions work.

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In half-duplex transmission, signals may...

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Modulation can be used to make a signal conform to a specific pathway.

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When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.


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

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A digital signal composed of a pulse of positive voltage represents a(n) ____.


A) 0
B) 1
C) 4
D) 8

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Describe the benefits of fiber-optic cabling over copper cabling.

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Fiber-optic cable provides the following...

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Serial refers to a style of data transmission in which the pulses that represent bits follow one another along a ____ transmission line.


A) long
B) short
C) secondary
D) single

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____ describes a popular serial data transmission method.


A) EIA/TIA Commercial Building Wiring Standard
B) EIA/TIA RS-232 (Recommended Standard 232)
C) EIA/TIA 568A standard
D) EIA/TIA 568BA standard

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Explain the makeup of coaxial cable.

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Coaxial cable consists of a central meta...

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Describe variables that may influence the final cost of implementing a certain type of media.

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The following variables can all influenc...

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Which term identifies a room containing connectivity for groups of workstations in its area?


A) MDF (main distribution frame)
B) entrance facilities
C) work area
D) telecommunications closet

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In modulation, a simple wave called a(n) ____ wave, is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.


A) carrier
B) data
C) information
D) FM

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Describe two benefits of digital signaling that make it worthwhile even though extra signaling pulses are involved.

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Because digital transmission involves se...

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