SOA-C02 Reliability and Business Continuity Practice Question
This SOA-C02 practice question tests your understanding of reliability and business continuity. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Refer to the exhibit. An IAM policy is attached to a group. A SysOps Administrator in that group tries to terminate an EC2 instance with the tag 'Environment=production'. The action fails. What is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The instance does not have the tag 'Environment=production'.
Option C is correct because the IAM policy explicitly uses a condition key `ec2:ResourceTag/Environment` with `StringEquals` to restrict the `ec2:TerminateInstances` action to only instances tagged with `Environment=production`. If the instance does not have that exact tag, the condition fails, and the action is denied. The SysOps Administrator is in the group that has this policy attached, so the failure is most likely due to the instance lacking the required tag.
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.
✗
The condition key 'ec2:ResourceTag/Environment' is invalid.
Why it's wrong here
It is a valid condition key.
✗
The policy does not allow the ec2:TerminateInstances action.
Why it's wrong here
The policy explicitly allows the action.
✓
The instance does not have the tag 'Environment=production'.
Why this is correct
The policy requires the tag to be present for the action to be allowed.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The condition uses 'StringEquals' instead of 'StringLike'.
Why it's wrong here
StringEquals is appropriate for exact match.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume the policy itself is misconfigured (e.g., invalid condition key or wrong operator) rather than checking whether the resource actually meets the condition, leading them to overlook the most straightforward explanation.
Detailed technical explanation
How to think about this question
IAM condition keys like `ec2:ResourceTag/Environment` are evaluated at request time against the resource's current tags. The `StringEquals` operator performs a case-sensitive exact match, so even a minor difference (e.g., 'Production' vs 'production') would cause the condition to fail. In real-world scenarios, this is commonly used to enforce that only non-production instances can be terminated by certain roles, preventing accidental deletion of critical resources.
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.
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
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
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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: The instance does not have the tag 'Environment=production'. — Option C is correct because the IAM policy explicitly uses a condition key `ec2:ResourceTag/Environment` with `StringEquals` to restrict the `ec2:TerminateInstances` action to only instances tagged with `Environment=production`. If the instance does not have that exact tag, the condition fails, and the action is denied. The SysOps Administrator is in the group that has this policy attached, so the failure is most likely due to the instance lacking the required tag.
What should I do if I get this SOA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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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.
Question Discussion
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