What term describes what you should have to reduce the risk of lost link?

What term describes what you should have to reduce the risk of lost link?

• A. Redundant and backup systems
• B. Antenna Gain
• C. Noise
• D. Wave Propagation

Answer: (A)

Redundancy and backup systems. Having multiple independent control and data links, plus automatic safety features, creates fault tolerance so a single failure doesn’t abruptly cut the link. In practice, this means a primary control link backed up by a second channel, quick switchovers, and fail-safes like Return-to-Home or automatic landing if contact is lost. This approach directly lowers the chance of losing the drone due to a single point of failure. Antenna gain can improve range but doesn’t address what happens if a link actually fails. Noise degrades signals and can contribute to a drop, but it’s not a preventative safeguard. Wave propagation describes how signals travel through the environment, not a strategy to prevent losing the link.

Redundancy and backup systems. Having multiple independent control and data links, plus automatic safety features, creates fault tolerance so a single failure doesn’t abruptly cut the link. In practice, this means a primary control link backed up by a second channel, quick switchovers, and fail-safes like Return-to-Home or automatic landing if contact is lost. This approach directly lowers the chance of losing the drone due to a single point of failure.

Antenna gain can improve range but doesn’t address what happens if a link actually fails. Noise degrades signals and can contribute to a drop, but it’s not a preventative safeguard. Wave propagation describes how signals travel through the environment, not a strategy to prevent losing the link.