A SysOps Administrator Manages an Amazon RDS MySQL DB Instance

question 367

Multiple Choice

A SysOps Administrator manages an Amazon RDS MySQL DB instance in production. The database is accessed by several applications. The Administrator needs to ensure minimal downtime of the applications in the event the database suffers a failure. This change must not impact customer use during regular business hours. Which action will make the database MORE highly available?

• A) Contact AWS Support to pre-warm the database to ensure that it can handle any unexpected spikes in traffic
• B) Create a new Multi-AZ RDS DB instance. Migrate the data to the new DB instance and delete the old one
• C) Create a read replica from the existing database outside of business hours
• D) Modify the DB instance to outside of business hours to be a Multi-AZ deployment

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Definitions:

Database Accuracy

The extent to which data in a database is correct, up-to-date, and free of errors.

Field Properties

Attributes or characteristics that define and restrict data input, display, or value in a database field.

Data Type

A category that defines one of the different kinds of data, for example, integer, floating-point, or string, specifying the types of values it can hold, the operations that can be carried out with it, and how it is stored.

Decimal Places

The count of numbers located after the decimal point in a value, signifying the exactness of the measurement.