In Which method of communication do signals travel in both directions over a medium but in only one direction at a time?
In a half-duplex system, both parties can communicate with each other, but not simultaneously; the communication is one direction at a time.
When viewing the pinout for t568b What is the correct order of wire colors starting at Pin 1?
Ch. 5 Quiz CTS1134
|Telephone connections follow what registered jack standard?||registered jack 11 (RJ-100)|
|When viewing the pinout for T568B, what is the correct order of wire colors, starting at pin 1?||white/orange, orange, white/green, blue, white/blue, green, white/brown, brown|
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Why should you terminate coaxial cable with connectors that are rated for the exact cable type?
Why should you terminate coaxial cable with connectors that are rated for the exact cable type? A mismatched connector will have different impedance ratings, causing data errors. A wavelength mismatch occurs when transmissions are optimized for one type of cable but sent over a different type of cable.
Which statement accurately describes what near end crosstalk next is?
32 Cards in this Set
|A typical fiber termination kit should include what tool for cutting a clean slice through fiber strands?||Fiber cleaver|
|Which statement accurately describes what near end crosstalk NEXT is?||NEXT is crosstalk that occurs between wire pair’s near the source of the signal|
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What is the maximum allowable distance for horizontal wiring?
Under TIA/EIA-568-B, maximum allowable horizontal cable distance is 90 m of installed cabling, whether fibre or twisted-pair, with 100 m of maximum total length including patch cords.
Which cabling consists of one or more insulated wire pairs encased in a plastic sheath?
|UTP (unshielded twisted pair)||A type of cabling that consists of one or more insulated wire pairs encased in a plastic sheath. As its name implies, UTP does not contain additional shielding for the twisted pairs. As a result, UTP is both less expensive and less resistant to noise than STP.|
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What is t568b color code?
T568A and T568B are the two color codes used for wiring eight-position RJ45 modular plugs. Both are allowed under the ANSI/TIA/EIA wiring standards. The only difference between the two color codes is that the orange and green pairs are interchanged.
What is the color code for 568b?
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|Pin #||Wire Color|
|568-A Color Code|
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What is a twist ratio and why is it important?
What is twist ratio and why is it important? Twist ratio is the number of twists per meter or foot of wire pairs. It is important because the number of twists per foot in a pair of wires translates to the more resistant the pair will be to cross talk or noise.