A Large Company Is Using an Amazon RDS for Oracle

question 12

Multiple Choice

A large company is using an Amazon RDS for Oracle Multi-AZ DB instance with a Java application. As a part of its disaster recovery annual testing, the company would like to simulate an Availability Zone failure and record how the application reacts during the DB instance failover activity. The company does not want to make any code changes for this activity. What should the company do to achieve this in the shortest amount of time?

• A) Use a blue-green deployment with a complete application-level failover test
• B) Use the RDS console to reboot the DB instance by choosing the option to reboot with failover
• C) Use RDS fault injection queries to simulate the primary node failure
• D) Add a rule to the NACL to deny all traffic on the subnets associated with a single Availability Zone

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Definitions:

Accounting Equation

The fundamental equation that represents the relationship between an entity's assets, liabilities, and owner's equity; Assets = Liabilities + Owner's Equity.

Revenue Recognition Principle

An accounting principle that stipulates revenue should be recognized and recorded when it is earned, regardless of when the cash is received.

Business Entity Principle

An accounting concept that treats a business as separate and distinct from its owners for purposes of recording financial transactions.

Monetary Unit Principle

An accounting principle that assumes business transactions or events can be measured and expressed in monetary units.