Comprehensive and Detailed Step-by-Step Explanation:
When delivering 10Gbps speeds over long distances, fiber optic cables are the best choice. Here's the breakdown:
A). Multimode Fiber (Correct Answer):
Multimode fiber is designed for relatively short to medium distances (up to 1,312 feet or 400 meters) while supporting high-speed data transfer (10Gbps and above).
It uses LED light sources and is cost-effective for environments like data centers or within buildings.
For the specified distance of over 328ft but under 1,312ft, multimode fiber is the most suitable option.
Incorrect Options:
B). Single-mode Fiber: While single-mode fiber supports much greater distances (up to several miles or kilometers) and higher speeds, it is more expensive and unnecessary for the specified range. Single-mode fiber is generally used for long-haul networking or telecommunications.
C). Cat 6a: Cat 6a is capable of 10Gbps speeds but only up to 328ft (100 meters). It cannot reliably handle the specified distance of over 328ft.
D). Cat 6: Cat 6 is also limited to 10Gbps speeds at distances up to 328ft (100 meters). Beyond this range, it is unsuitable.
Key Takeaway:
For delivering 10Gbps speeds over distances longer than 328ft (100m) but under 1,312ft (400m), Multimode Fiber is the best choice due to its ability to support high-speed data over medium distances at a reasonable cost.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1101), Domain 3.1 - Cable types and their characteristics, including fiber optic cables.