What is data redundancy vs data durability, and how do cloud providers achieve durability?

What is data redundancy vs data durability, and how do cloud providers achieve durability?

• A. Data redundancy duplicates data across locations; durability measures probability data remains intact over time; achieved via replication, erasure coding, checksums, and regular integrity verification
• B. Data redundancy refers to backups only, while durability measures data availability
• C. Data redundancy duplicates metadata only
• D. Data durability duplicates data across locations, ensuring instant recovery

Answer: (A)