Question 133 of 1,546
Reliability and Business ContinuityeasyMultiple ChoiceObjective-mapped

Quick Answer

The correct action is to create a CloudWatch alarm on the StatusCheckFailed metric and configure the recovery action. This works because the StatusCheckFailed metric detects when the EC2 instance has lost system reachability due to underlying hardware failure, and the recovery action automatically stops and starts the instance on new healthy hardware, preserving its private IP, Elastic IP, and instance ID. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of EC2 resilience features versus scaling or failover mechanisms—a common trap is confusing recovery with Auto Scaling group health checks or launching a second instance, but recovery specifically restores the same instance. Remember that StatusCheckFailed is the only metric that triggers a hardware-level recovery action, not CPU or memory alarms. Memory tip: think "StatusCheckFailed = Stops and Starts on new hardware" to distinguish it from Auto Scaling, which only replaces instances.

SOA-C02 Reliability and Business Continuity Practice Question

This SOA-C02 practice question tests your understanding of reliability and business continuity. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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 SysOps administrator needs to ensure that an EC2 instance automatically recovers from an underlying hardware failure. Which action should be taken?

Question 1easymultiple choice
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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 a CloudWatch alarm on the StatusCheckFailed metric and configure the recovery action.

Option B is correct because configuring the EC2 instance with a CloudWatch alarm based on StatusCheckFailed will trigger a recovery action that stops and starts the instance on new hardware. Option A is wrong because Auto Scaling groups manage instance counts but do not recover a specific instance. Option C is wrong because Elastic IP reassignment does not recover the instance. Option D is wrong because a second instance does not automatically recover the original.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

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

  • Launch a second instance in a different Availability Zone.

    Why it's wrong here

    Does not recover original instance.

  • Assign an Elastic IP address to the instance.

    Why it's wrong here

    Elastic IP provides a static IP but does not recover instance.

  • Create a CloudWatch alarm on the StatusCheckFailed metric and configure the recovery action.

    Why this is correct

    CloudWatch alarm can initiate instance recovery.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Place the instance in an Auto Scaling group with a min size of 1.

    Why it's wrong here

    Auto Scaling does not recover a failed instance; it launches a new one.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Identify which SOA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related practice questions

Related SOA-C02 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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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 — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create a CloudWatch alarm on the StatusCheckFailed metric and configure the recovery action. — Option B is correct because configuring the EC2 instance with a CloudWatch alarm based on StatusCheckFailed will trigger a recovery action that stops and starts the instance on new hardware. Option A is wrong because Auto Scaling groups manage instance counts but do not recover a specific instance. Option C is wrong because Elastic IP reassignment does not recover the instance. Option D is wrong because a second instance does not automatically recover the original.

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

Identify which SOA-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Same concept, more angles

1 more ways this is tested on SOA-C02

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A SysOps administrator needs to ensure that an EC2 instance automatically recovers from an underlying hardware failure. Which configuration should be used?

easy
  • A.Use AWS Lambda to periodically check instance health and reboot if necessary.
  • B.Enable termination protection on the instance.
  • C.Create a CloudWatch alarm on the StatusCheckFailed metric and configure the recovery action.
  • D.Place the instance in an Auto Scaling group with a minimum size of 1.

Why C: Option C is correct because a CloudWatch alarm based on the StatusCheckFailed metric can trigger a recovery action. Option A is wrong because Auto Scaling recovery terminates and replaces the instance, which may change the private IP. Option B is wrong because termination protection only prevents accidental deletion. Option D is wrong because a Lambda function is unnecessary and more complex.

Last reviewed: Jun 20, 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.