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Question 505 of 1,546
Security and Compliance →hardMultiple ChoiceObjective-mapped

Quick Answer

The answer is `aws:ResourceTag`. This condition key is the correct choice because it allows you to restrict S3 bucket access by tag using IAM policy condition, evaluating the tags attached to the resource itself at the time of the request. By specifying `aws:ResourceTag/Project` with a value of `DataEngineering`, the policy ensures that only S3 buckets bearing that exact tag are accessible to the DataScientists group, enforcing a precise, attribute-based access control. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this concept tests your understanding of resource-based conditions versus request-based conditions; a common trap is confusing `aws:ResourceTag` with `aws:RequestTag`, which controls tags on the action being performed (like tagging a bucket), not the bucket itself. Remember the mnemonic: "ResourceTag restricts the thing you touch, RequestTag restricts the tag you push."

SOA-C02 Security and Compliance Practice Question

This SOA-C02 practice question tests your understanding of security and compliance. 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. 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 company uses AWS Organizations and wants to restrict access to S3 buckets based on project tags. The security policy requires that users in the 'DataScientists' group can only access S3 buckets that have the tag 'Project: DataEngineering'. Which IAM policy condition key should the SysOps administrator use in a customer managed policy to enforce this restriction?

Question 1hardmultiple 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

✓

aws:ResourceTag

Option A is correct because the `aws:ResourceTag` condition key is used in IAM policies to control access based on the tags attached to the AWS resource (in this case, an S3 bucket). By specifying `aws:ResourceTag/Project` with a value of `DataEngineering`, the policy ensures that only S3 buckets with that exact tag are accessible to the 'DataScientists' group. This key is evaluated against the resource's tags at the time of the request, making it the appropriate choice for tag-based resource restrictions.

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.

  • ✓

    aws:ResourceTag

    Why this is correct

    The aws:ResourceTag condition key allows you to control access based on tags attached to the resource being accessed (e.g., S3 bucket tag). You can use it in the 'Condition' element of an IAM policy to enforce the tag requirement.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    s3:ExistingObjectTag

    Why it's wrong here

    s3:ExistingObjectTag is used to conditionally allow access based on tags attached to S3 objects, not buckets. This would not restrict bucket-level access.

  • ✗

    s3:ResourceTag

    Why it's wrong here

    This is not a valid IAM condition key for any service. IAM condition keys follow a 'service:conditionkey' pattern, and 's3:ResourceTag' does not exist.

  • ✗

    iam:ResourceTag

    Why it's wrong here

    iam:ResourceTag is used to control access based on tags attached to IAM resources (users, roles, policies), not S3 buckets.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse `aws:ResourceTag` with service-specific keys like `s3:ExistingObjectTag`, mistakenly applying object-level conditions to bucket-level restrictions, or they assume `s3:ResourceTag` exists as a valid key when it does not.

Detailed technical explanation

How to think about this question

Under the hood, `aws:ResourceTag` works by matching the tag key-value pair on the resource against the condition in the IAM policy during authorization. For S3, bucket-level tags are evaluated at the API call level (e.g., `s3:ListBucket` or `s3:GetObject`), but note that some S3 operations like `ListAllMyBuckets` do not support resource-level conditions because they operate at the account level. A real-world scenario is when a company uses multiple projects with separate S3 buckets; applying `aws:ResourceTag` ensures that data scientists can only interact with buckets tagged for their project, preventing accidental cross-project data access.

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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

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.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: aws:ResourceTag — Option A is correct because the `aws:ResourceTag` condition key is used in IAM policies to control access based on the tags attached to the AWS resource (in this case, an S3 bucket). By specifying `aws:ResourceTag/Project` with a value of `DataEngineering`, the policy ensures that only S3 buckets with that exact tag are accessible to the 'DataScientists' group. This key is evaluated against the resource's tags at the time of the request, making it the appropriate choice for tag-based resource restrictions.

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.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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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.