SK0-004 · Question #746
A cable management arm should be used:
The correct answer is D. when channeling cables in a rack for a 48-port switch. A cable management arm is most appropriate for rack-mounted equipment with high port density like a 48-port switch, where organizing many cables while allowing the unit to slide on rails is essential.
Question
A cable management arm should be used:
Options
- Awhen channeling cables in a rack for a 2U server
- Bwhen channeling cables in a rack for a UPS
- Cwhen channeling cables on a tower server
- Dwhen channeling cables in a rack for a 48-port switch
How the community answered
(35 responses)- A3% (1)
- B3% (1)
- C6% (2)
- D89% (31)
Why each option
A cable management arm is most appropriate for rack-mounted equipment with high port density like a 48-port switch, where organizing many cables while allowing the unit to slide on rails is essential.
A 2U server typically has only a small number of cables such as power, one or two network, and a management port, making a CMA far less critical than for a high-density switch.
A UPS primarily uses power cables and lacks the high-density network cabling that makes a cable management arm necessary.
Tower servers are freestanding and not rack-mounted on sliding rails, so a cable management arm - which is designed to articulate with rack rail systems - does not apply.
A 48-port switch can have 48 or more patch cables connected simultaneously, and a cable management arm keeps this dense cable bundle organized, prevents strain on ports, and allows the switch to be extended on its rack rails for maintenance without disconnecting or tangling cables. The high cable count makes a CMA the most critical and appropriate use case among the options.
Concept tested: Cable management arm use case for high-density rack equipment
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