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Operations and Maintenance →hardMultiple SelectObjective-mapped

Quick Answer

The answer is to add an IAM role with S3 access and attach an IAM instance profile to the EC2 instance in the CloudFormation template. This is required because s3fs mounts depend on the EC2 instance having valid AWS credentials to authenticate with S3; without an instance profile that includes a role with the necessary S3 permissions, the mount command will fail regardless of other configuration details. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of how IAM roles and instance profiles interact with EC2 in CloudFormation—a common trap is assuming that security group rules or bucket region settings are the cause, but S3 access from EC2 is governed solely by IAM permissions, not network layers. Remember the mnemonic: “Role and Profile, S3’s file.”

PAS-C01 Operations and Maintenance Practice Question

This PAS-C01 practice question tests your understanding of operations and maintenance. 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.

Exhibit

Refer to the exhibit.

CloudFormation template snippet:
Resources:
  SAPApplicationServer:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: m5.large
      ImageId: ami-0abcdef1234567890
      SecurityGroupIds:
        - !Ref SecurityGroup
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          yum install -y s3fs-fuse
          mkdir /mnt/sap
          s3fs my-sap-bucket /mnt/sap
      Tags:
        - Key: Name
          Value: SAP-APP

An administrator deploys the CloudFormation stack above. The EC2 instance launches but the s3fs mount fails. Which TWO actions are needed to fix the issue? (Choose two.)

Question 1hardmulti select
Full question →

Exhibit

Refer to the exhibit.

CloudFormation template snippet:
Resources:
  SAPApplicationServer:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: m5.large
      ImageId: ami-0abcdef1234567890
      SecurityGroupIds:
        - !Ref SecurityGroup
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          yum install -y s3fs-fuse
          mkdir /mnt/sap
          s3fs my-sap-bucket /mnt/sap
      Tags:
        - Key: Name
          Value: SAP-APP

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 IAM role with permissions to access the S3 bucket and attach it to the EC2 instance.

Options A and C are correct. The instance needs an IAM role with S3 access (A) and the instance profile must be attached (C). Option B is wrong because the bucket region is not the issue. Option D is wrong because security group does not affect S3 access. Option E is wrong because the script runs as root, so sudo is not needed.

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.

  • ✓

    Create an IAM role with permissions to access the S3 bucket and attach it to the EC2 instance.

    Why this is correct

    s3fs requires IAM credentials; an instance profile provides them.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✓

    Add an IAM instance profile to the EC2 instance resource in the CloudFormation template.

    Why this is correct

    The instance profile is needed to associate the IAM role with the instance.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Modify the security group to allow outbound HTTPS traffic.

    Why it's wrong here

    S3 access uses HTTPS, but security group outbound is typically open by default.

  • ✗

    Ensure the S3 bucket is in the same region as the EC2 instance.

    Why it's wrong here

    S3 is global; region does not affect access.

  • ✗

    Add 'sudo' before the s3fs command in the UserData script.

    Why it's wrong here

    UserData runs as root, so sudo is unnecessary.

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

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 PAS-C01 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.

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FAQ

Questions learners often ask

What does this PAS-C01 question test?

Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create an IAM role with permissions to access the S3 bucket and attach it to the EC2 instance. — Options A and C are correct. The instance needs an IAM role with S3 access (A) and the instance profile must be attached (C). Option B is wrong because the bucket region is not the issue. Option D is wrong because security group does not affect S3 access. Option E is wrong because the script runs as root, so sudo is not needed.

What should I do if I get this PAS-C01 question wrong?

Identify which PAS-C01 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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Last reviewed: Jun 20, 2026

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This PAS-C01 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 PAS-C01 exam.