- A
First, create IAM roles with least privilege for CodePipeline and CodeBuild. Then, create an encrypted S3 bucket for storing artifacts. Next, create a source repository (e.g., AWS CodeCommit). After that, create a build project configured with security scanning tools. Finally, create the CodePipeline that integrates the source, build, and deployment stages.
This is the correct order because IAM roles must be established first to define permissions for services. The encrypted bucket is needed to securely store artifacts. The source repository and build project are independent components that must exist before the pipeline can reference them. The pipeline is created last to tie all components together.
- B
First, create an encrypted S3 bucket. Then, create a source repository. Next, create IAM roles. After that, create a build project with security scanning. Finally, create the pipeline.
Why wrong: This is incorrect because IAM roles should be created before resources like the bucket or source repository, as roles define who can create and access those resources. Placing IAM roles after bucket and source might lead to permission errors and misconfiguration.
- C
First, create the pipeline. Then, create a source repository. Next, create a build project with security scanning. After that, create IAM roles. Finally, create an encrypted S3 bucket.
Why wrong: This is incorrect because the pipeline cannot be created without first having the source repository, build project, and artifact bucket defined. Additionally, IAM roles are prerequisites for almost all AWS service actions, so they should be created early, not after the pipeline.
- D
First, create a source repository. Then, create a build project with security scanning. Next, create IAM roles. After that, create the pipeline. Finally, create an encrypted S3 bucket.
Why wrong: This is incorrect because the artifact bucket must exist before the pipeline is created, as the pipeline needs a location to store artifacts. Also, IAM roles should be established before creating resources like the source repository and build project to ensure proper permissions.
SCS-C02 Threat Detection and Incident Response Practice Question
This SCS-C02 practice question tests your understanding of threat detection and incident response. 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.
Drag and drop the steps to implement a secure CI/CD pipeline with AWS CodePipeline and IAM in the correct order.
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
First, create IAM roles with least privilege for CodePipeline and CodeBuild. Then, create an encrypted S3 bucket for storing artifacts. Next, create a source repository (e.g., AWS CodeCommit). After that, create a build project configured with security scanning tools. Finally, create the CodePipeline that integrates the source, build, and deployment stages.
Secure pipeline requires encrypted artifact bucket, IAM roles, source repo, build project with security scanning, and pipeline.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
First, create IAM roles with least privilege for CodePipeline and CodeBuild. Then, create an encrypted S3 bucket for storing artifacts. Next, create a source repository (e.g., AWS CodeCommit). After that, create a build project configured with security scanning tools. Finally, create the CodePipeline that integrates the source, build, and deployment stages.
Why this is correct
This is the correct order because IAM roles must be established first to define permissions for services. The encrypted bucket is needed to securely store artifacts. The source repository and build project are independent components that must exist before the pipeline can reference them. The pipeline is created last to tie all components together.
Related concept
Authentication checks who the user is.
- ✗
First, create an encrypted S3 bucket. Then, create a source repository. Next, create IAM roles. After that, create a build project with security scanning. Finally, create the pipeline.
Why it's wrong here
This is incorrect because IAM roles should be created before resources like the bucket or source repository, as roles define who can create and access those resources. Placing IAM roles after bucket and source might lead to permission errors and misconfiguration.
- ✗
First, create the pipeline. Then, create a source repository. Next, create a build project with security scanning. After that, create IAM roles. Finally, create an encrypted S3 bucket.
Why it's wrong here
This is incorrect because the pipeline cannot be created without first having the source repository, build project, and artifact bucket defined. Additionally, IAM roles are prerequisites for almost all AWS service actions, so they should be created early, not after the pipeline.
- ✗
First, create a source repository. Then, create a build project with security scanning. Next, create IAM roles. After that, create the pipeline. Finally, create an encrypted S3 bucket.
Why it's wrong here
This is incorrect because the artifact bucket must exist before the pipeline is created, as the pipeline needs a location to store artifacts. Also, IAM roles should be established before creating resources like the source repository and build project to ensure proper permissions.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SCS-C02 questions on access control and AAA configuration.
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Threat Detection and Incident Response — study guide chapter
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Threat Detection and Incident Response — This question tests Threat Detection and Incident Response — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: First, create IAM roles with least privilege for CodePipeline and CodeBuild. Then, create an encrypted S3 bucket for storing artifacts. Next, create a source repository (e.g., AWS CodeCommit). After that, create a build project configured with security scanning tools. Finally, create the CodePipeline that integrates the source, build, and deployment stages. — Secure pipeline requires encrypted artifact bucket, IAM roles, source repo, build project with security scanning, and pipeline.
What should I do if I get this SCS-C02 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SCS-C02 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 11, 2026
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