Which of the following statements is NOT correct, when comparing RDS with a self-built database? (Single answer)

Which of the following statements is NOT correct, when comparing RDS with a self-built database? (Single answer)
A . RDS features a high availability of 99.95% while self-built databases require you to implement data protection, primary-standby replication, and RAID all by yourself.
B.RDS provides automatic backup while self-built databases require you to prepare storage space for backup copies and regularly verify that these copies can be restored.
C. Self-built database support quick deployment and elastic scaling.
D. RDS requires no O&M while self-built database require a dedicated DBA for maintenance
which results in high HR costs.

View Answer

Answer: C