Final answer:
For a medium-sized business requiring high-speed, dedicated, and symmetric internet connectivity, fiber optic service is the optimal choice due to its low loss, high bandwidth, and reliability, which are not matched by alternatives such as DSL, cable, or satellite.
Step-by-step explanation:
If a medium-sized business is looking for high-speed internet with dedicated, symmetric access, the best option would be fiber optic connectivity. Unlike DSL, cable, and satellite, fiber optic internet provides several advantages crucial for a business environment: low loss, high bandwidth, reduced crosstalk, and the essential feature of offering symmetric upload and download speeds. This last feature is particularly valuable for businesses that need to upload content just as swiftly as they download it. Additionally, fiber optic cables are not affected by distance in the same way that DSL can be, nor are they susceptible to network congestion like cable, ensuring consistent speeds during peak usage times.
It is also worth noting that fiber optics fit within the ongoing conversation about net neutrality. While ISPs can control the speed and access on their networks, fiber offers a level of consistency and speed that can help businesses avoid the pitfalls that might arise from a non-neutral net. Lastly, the ever-evolving landscape of internet technology underlines the importance of investing in a future-proofed infrastructure. Fiber optic technology continues to be the frontrunner in this respect, having surpassed the older wire-based and satellite systems.