What are wear leveling and garbage collection in SSDs, and how do they affect performance?

• A. Wear leveling spreads writes to prolong life; garbage collection reclaims stale blocks; both affect latency and throughput.
• B. Wear leveling speeds up writes; garbage collection increases capacity.
• C. Wear leveling and garbage collection are primarily CPU tasks; they don't affect SSD performance.
• D. Wear leveling reduces endurance; garbage collection reduces latency only.

Answer: (A)