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Reliability and Business Continuity →mediumMultiple ChoiceObjective-mapped

SOA-C02 Amazon CloudWatch Events (EventBridge) Practice Question

This SOA-C02 practice question tests your understanding of reliability and business continuity. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: amazon CloudWatch Events (EventBridge). Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A company runs a critical production database on Amazon RDS for MySQL with Multi-AZ deployment. The SysOps administrator needs to be automatically notified when a failover event occurs, and also capture the exact time and reason for the failover for compliance purposes. Which AWS service or feature should be used to capture the failover event details with the least operational overhead?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "least"

    Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Create an Amazon CloudWatch Events rule that matches the 'RDS DB Instance Event' for 'failover' and sends the event to an Amazon SNS topic for notification and logging.

Amazon CloudWatch Events (now part of Amazon EventBridge) can match RDS DB Instance events, including 'failover', and route them to an SNS topic for notification and to CloudWatch Logs for logging. This approach requires no custom scripting or polling, providing the least operational overhead while capturing the exact time and reason for the failover directly from the RDS event stream.

Key principle: Amazon CloudWatch Events (EventBridge)

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    Create an Amazon CloudWatch Events rule that matches the 'RDS DB Instance Event' for 'failover' and sends the event to an Amazon SNS topic for notification and logging.

    Why this is correct

    This correctly uses CloudWatch Events / EventBridge to capture RDS events including failovers with detailed information such as time and cause. It requires minimal setup and is designed for this purpose.

    Clue confirmation

    The clue word "least" in the question point toward this answer.

    Related concept

    Amazon CloudWatch Events (EventBridge)

  • ✗

    Enable detailed monitoring on the RDS instance and stream the logs to Amazon CloudWatch Logs where a metric filter can detect failover patterns.

    Why it's wrong here

    Detailed monitoring provides performance metrics at a higher frequency, but it does not generate failover events. Failovers are not captured in standard logs; they are separate events.

  • ✗

    Configure AWS CloudTrail to log all RDS API calls and analyze the logs for the 'Failover' event type.

    Why it's wrong here

    CloudTrail logs API calls made to the RDS service (e.g., modifying a DB instance). The internal failover process is not an API call initiated by the user; it is an automated action and is not recorded in CloudTrail.

  • ✗

    Use AWS Config to create a config rule that evaluates whether the 'DBInstanceStatus' changes to 'failover' and then trigger a remediation action.

    Why it's wrong here

    AWS Config records configuration changes and compliance over time. A failover event does not change a persistent configuration unless the instance is modified. Config rules are not suitable for capturing transient events like failovers.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse CloudTrail (which logs API calls) with RDS events (which log internal service events), leading them to choose CloudTrail even though automatic failovers are not API-driven and thus not recorded by CloudTrail.

Detailed technical explanation

How to think about this question

RDS publishes events to the RDS event stream for actions like failover, backup completion, and maintenance. CloudWatch Events/EventBridge can filter on the 'Event Source' as 'aws.rds' and 'Event Type' as 'RDS DB Instance Event' with a detail field like 'Event Message' containing 'failover'. The event payload includes the exact timestamp and a message describing the cause (e.g., 'A failover has been completed to the standby replica'). This eliminates the need for log parsing or custom polling, ensuring compliance capture with minimal overhead.

KKey Concepts to Remember

  • Amazon CloudWatch Events (EventBridge)
  • RDS DB Instance Events
  • Amazon SNS (Simple Notification Service)
  • Operational Overhead

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Amazon CloudWatch Events (EventBridge)

Real-world example

How this comes up in practice

A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Amazon CloudWatch Events (EventBridge) Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

What to study next

Got this wrong? Here's your next step.

Review amazon CloudWatch Events (EventBridge), then practise related SOA-C02 questions on the same topic to reinforce the concept.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Reliability and Business Continuity — This question tests Reliability and Business Continuity — Amazon CloudWatch Events (EventBridge).

What is the correct answer to this question?

The correct answer is: Create an Amazon CloudWatch Events rule that matches the 'RDS DB Instance Event' for 'failover' and sends the event to an Amazon SNS topic for notification and logging. — Amazon CloudWatch Events (now part of Amazon EventBridge) can match RDS DB Instance events, including 'failover', and route them to an SNS topic for notification and to CloudWatch Logs for logging. This approach requires no custom scripting or polling, providing the least operational overhead while capturing the exact time and reason for the failover directly from the RDS event stream.

What should I do if I get this SOA-C02 question wrong?

Review amazon CloudWatch Events (EventBridge), then practise related SOA-C02 questions on the same topic to reinforce the concept.

Are there clue words in this question I should notice?

Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.

What is the key concept behind this question?

Amazon CloudWatch Events (EventBridge)

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Last reviewed: Jun 11, 2026

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This SOA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SOA-C02 exam.