Which design components promote supportability?

• A. Reliability, Maintainability, and Support Features
• B. Cost, Weight, and Aesthetics
• C. Power Consumption, Size, and Manufacturing Time
• D. Accessibility, Modularity, and Color

Answer: (A)

Design for supportability centers on building elements that keep the system available and easy to repair in the field. Reliability means the system fails less often, which lowers the amount of maintenance and the downtime that users experience. Maintainability focuses on how quickly and easily technicians can diagnose, access, disassemble, repair, and reassemble components, shortening repair cycles and getting the system back online faster. Support features include built-in diagnostics, modular or serviceable design, standardized interfaces, clear documentation, spare parts planning, and remote monitoring or troubleshooting capabilities—all of which help technicians locate and fix issues quickly.

In PBL, readiness and uptime are core goals, so these design components directly promote supportability and reduce life‑cycle costs. Other options touch on cost, weight, aesthetics, or unrelated attributes like color; while they can influence supportability indirectly, they don’t provide the direct design elements that actively promote supportability.