In the Storage Disaster Recovery and Backup Solution, the RPO

question 1

Multiple Choice

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.

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Definitions:

Autarky

National self-sufficiency; no economic interaction with foreigners.

Opportunity Cost

The value of the best alternative that is forgone in making any choice or decision.

Terms of Trade

The ratio between a country's export prices and its import prices, indicating the quantity of imports goods a country can purchase through the sale of its exports.

Supply and Demand

Fundamental economic model describing how prices vary as a result of a balance between product availability and consumers' purchasing desires.