AWS认证SAA-C03每日一题

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【SAA-C03助理级解决方案架构师认证】

A company maintains a searchable repository of items on its website. The data is stored in an Amazon RDS for MySQL database table that contains over 10 million rows.The database has 2 TB of General Purpose SSD (gp2) storage.There are millions of updates against this data every day through the company's website. The company has noticed some operations are taking 10 seconds or longer, and has determined that the database storage performance is bottleneck.
Which solution addresses the performance issues?
A   :    Change the storage type to Provissioned lOPS  SSD (lo1).

B  :    Change the instance to a memory-optimized instance class.
C  :    Change the instance to a burstable performance DB instance class.
 D  :   Enable Multi-AZ RDS read replicas with MySQL natice asynchronous replication.

正确答案  A