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Chapter 5 Network Cabling Detailed Questions And Expert Answers
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Chapter 5 Network Cabling Detailed Questions And Expert Answers
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Chapter 5 Network Cabling 2024/2025 DetailedQuestions And Expert Answers
100Base-T Answer: A Physical layer standard for networks that specifies
baseband transmission, twisted-pair cabling, and 100-Mbps throughput. Also
known as Fast Ethernet.
1000Base-LX Answer: A Physical layer standard for networks that specifies 1-
Gbps transmission over fiber-optic cable using baseband transmission. Represents
its reliance on long wavelengths of 1300 nanometers.
1000Base-SX Answer: A Physical layer standard for networks that specifies 1-
Gbps transmission over fiber-optic cable using baseband transmission. Represents
its reliance on short wavelengths of 850 nanometers.
1000Base-T Answer: A Physical layer standard for achieving 1 Gbps over
twisted-pair cable.
10GBase-T Answer: A Physical layer standard for achieving 10-Gbps data
transmission over twisted-pair cable.
802.3af Answer: The IEEE standard that specifies a way of supplying electrical
power (up to 15.4 watts) over twisted-pair Ethernet connections, also known as
PoE (Power over Ethernet).
, 802.3at Answer: The IEEE standard that improves upon the older 802.3af by
supplying more power (up to 25.5 watts) over Ethernet connections.
alien crosstalk Answer: Electromagnetic interference induced on one cable by
signals traveling over a nearby cable.
APC (Angle Polished Connector) Answer: The latest advancement in ferrule
technology that uses the principles of reflection to its advantage by placing the
end faces of the highly polished ferrules at an angle to each other, thus reducing
the effect of back reflection.
attenuation Answer: The loss of a signal's strength as it travels away from its
source.
bandwidth Answer: The amount of data that could theoretically be
transmitted during a given period of time.
BiDi transceiver Answer: A fiber-optic transceiver that supports bidirectional
transmission on both its ports.
bidirectional Answer: A transmission method that allows each fiber cable to
carry data in both directions.
bit rate Answer: In digital transmissions, a measurement of throughput and
bandwidth that is expressed as bits transmitted per second.
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