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:

Defensive

Relating to or intended for defense; marked by an effort to deny, evade, or avoid direct answer or action.

Client's Resistance

The opposition or reluctance of a client to engage with or continue with a service or intervention.

Participatory Research

A research approach that involves all stakeholders, especially those impacted by the issue being studied, in the research process.