Question-15: One of the greatest practises for improving Google Database speed is to allot sufficient RAM so that your working set may nearly entirely exist inside memory. The working set consists of the data and indexes that are being used on a consistent basis by your instance. The size of the working set will increase according to the amount of time spent using the database instance. You should keep a close eye on performance metrics on a consistent basis in order to determine the average, highest, and lowest values for a number of different time periods. You will be able to determine whether performance has declined if you take these steps. Check the statistic when the database instance is being heavily used to determine whether or not practically all of your working set is stored in memory. One of your relational databases has a crash during a period of the day with significant levels of traffic, but the replica is never elevated to the role of master. You want to steer clear of situations like these in the future. What is it that you ought to do?
A. Use a different database
B. Choose larger instances for your database
C. Create snapshots of your database more regularly
D. Implement routinely scheduled failovers of your databases

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