300-540 · Question #18
What is a valid connection method between carrier-neutral facilities that are more than 20 miles away from each other?
The correct answer is A. Carrier access Ethernet ring. For distances greater than 20 miles, valid inter-facility transport options must support: Metro-scale connectivity Carrier-grade reliability A carrier access Ethernet ring (MEN / Metro Ethernet) is designed for: Interconnecting data centers or meet-me rooms Distances far…
Question
What is a valid connection method between carrier-neutral facilities that are more than 20 miles away from each other?
Options
- ACarrier access Ethernet ring
- BPrivate wireless connection
- CCAT6e connection
- DMultimode fiber connection
How the community answered
(26 responses)- A73% (19)
- B15% (4)
- C8% (2)
- D4% (1)
Explanation
For distances greater than 20 miles, valid inter-facility transport options must support: Metro-scale connectivity Carrier-grade reliability A carrier access Ethernet ring (MEN / Metro Ethernet) is designed for: Interconnecting data centers or meet-me rooms Distances far exceeding 20 miles High-availability layer-2 or layer-3 transport Why the others are invalid: CAT6e maximum ~100 meters Multimode fiber typically <2 km (~1.25 miles) Private wireless not used for high-capacity DC interconnects, unreliable for core transport Thus, the only correct carrier-grade method is Carrier access Ethernet ring.
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