In the storage disaster recovery and backup solution, the RPO of a storage product is 30 minutes and the RTO is 15 minutes.
Which of the following statements are correct?
A . When the storage system is faulty, the time difference between the production site and the DR site may be 45 minutes.
B . The duration from the time when a fault occurs to the time when the service is suspended to the time when the service is recovered may be 45 minutes.
C . When the storage system is faulty, the time difference between the production site and the DR site may be 30 minutes.
D . The period from the time when a fault occurs to the time when the service is suspended to the time when the service is recovered may be 15 minutes.
Answer: D