300-360 · Question #150
An engineer must implement a cabling infrastructure that supports speeds up to 10G, can run a good distance before cable loss, and can support IEEE8.2.11ac speeds. Which infrastructure satisfies…
The correct answer is D. CAT 6A cables. CAT 6A (Augmented Category 6) is the correct choice because it is the only copper cable category certified for 10GBASE-T at the full 100-meter distance specified by TIA-568. It also provides sufficient bandwidth (500 MHz) to carry the multi-gigabit backhaul that 802.11ac Wave 2…
Question
An engineer must implement a cabling infrastructure that supports speeds up to 10G, can run a good distance before cable loss, and can support IEEE8.2.11ac speeds. Which infrastructure satisfies these requirements?
Options
- ACAT 5E cables
- BCAT 3 cables
- CCAT 5 cables
- DCAT 6A cables
How the community answered
(36 responses)- A3% (1)
- B6% (2)
- D92% (33)
Explanation
CAT 6A (Augmented Category 6) is the correct choice because it is the only copper cable category certified for 10GBASE-T at the full 100-meter distance specified by TIA-568. It also provides sufficient bandwidth (500 MHz) to carry the multi-gigabit backhaul that 802.11ac Wave 2 APs can demand. CAT 5 (100 MHz) and CAT 5E (100 MHz) support a maximum of 1 Gbps at 100 m and cannot reliably run 10G at standard distances. CAT 3 (16 MHz) is limited to 10/100 Mbps. Because 802.11ac can produce aggregate throughput exceeding 1 Gbps, a 10G-capable wired uplink is the appropriate infrastructure investment.
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