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Question 647 of 1,740
Monitoring and Logging →hardMultiple ChoiceObjective-mapped

Quick Answer

The answer is that the Lambda execution role lacks the required IAM permissions to upload trace data to X-Ray. This is correct because the AWSLambdaBasicExecutionRole policy only grants write access to CloudWatch Logs, not the xray:PutTraceSegments and xray:PutTelemetryRecords actions needed for X-Ray tracing to function. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of how Lambda integrates with X-Ray at the IAM level, often disguised by a correctly configured TracingConfig set to Active—a common trap where candidates assume the setting alone enables tracing. Remember, enabling X-Ray in the function configuration is only half the battle; the execution role must explicitly include the AWSXRayDaemonWriteAccess policy or equivalent permissions. Memory tip: “Active config, missing role—traces won’t reach their goal.”

DOP-C02 Monitoring and Logging Practice Question

This DOP-C02 practice question tests your understanding of monitoring and logging. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.

```
Resources:
  MyLambdaFunction:
    Type: AWS::Lambda::Function
    Properties:
      Handler: index.handler
      Role: !GetAtt LambdaExecutionRole.Arn
      Code:
        ZipFile: |
          exports.handler = async (event) => {
            console.log(JSON.stringify(event));
            return { statusCode: 200 };
          };
      Runtime: nodejs18.x
      TracingConfig:
        Mode: Active
  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service: lambda.amazonaws.com
            Action: sts:AssumeRole
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
```

Refer to the exhibit. A CloudFormation template deploys a Lambda function with X-Ray tracing enabled. However, traces are not appearing in the X-Ray console. What is the most likely missing configuration?

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.

Question 1hardmultiple choice
Full question →

Exhibit

Refer to the exhibit.

```
Resources:
  MyLambdaFunction:
    Type: AWS::Lambda::Function
    Properties:
      Handler: index.handler
      Role: !GetAtt LambdaExecutionRole.Arn
      Code:
        ZipFile: |
          exports.handler = async (event) => {
            console.log(JSON.stringify(event));
            return { statusCode: 200 };
          };
      Runtime: nodejs18.x
      TracingConfig:
        Mode: Active
  LambdaExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service: lambda.amazonaws.com
            Action: sts:AssumeRole
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
```

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

✓

The Lambda execution role does not have permissions to upload trace data to X-Ray.

Option D is correct because the Lambda function's IAM role only has the AWSLambdaBasicExecutionRole, which grants permissions to write to CloudWatch Logs but not to send trace data to X-Ray. The function needs the AWSXRayDaemonWriteAccess policy or equivalent permissions. Option A is wrong because Node.js 18 is supported. Option B is wrong because the code logs the event but does not affect X-Ray. Option C is wrong because the TracingConfig is set to Active.

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 Lambda runtime (nodejs18.x) does not support X-Ray tracing.

    Why it's wrong here

    Node.js 18 supports X-Ray.

  • ✓

    The Lambda execution role does not have permissions to upload trace data to X-Ray.

    Why this is correct

    The role needs xray:PutTraceSegments and xray:PutTelemetryRecords.

    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 TracingConfig mode is set to 'Active' but should be 'PassThrough'.

    Why it's wrong here

    Active is correct for enabling tracing.

  • ✗

    The Lambda function code does not use the AWS X-Ray SDK.

    Why it's wrong here

    With Active tracing, the X-Ray daemon automatically captures data, but the role must have permissions.

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 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 DOP-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.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

Monitoring and Logging — This question tests Monitoring and Logging — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The Lambda execution role does not have permissions to upload trace data to X-Ray. — Option D is correct because the Lambda function's IAM role only has the AWSLambdaBasicExecutionRole, which grants permissions to write to CloudWatch Logs but not to send trace data to X-Ray. The function needs the AWSXRayDaemonWriteAccess policy or equivalent permissions. Option A is wrong because Node.js 18 is supported. Option B is wrong because the code logs the event but does not affect X-Ray. Option C is wrong because the TracingConfig is set to Active.

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

Identify which DOP-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.

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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Last reviewed: Jun 20, 2026

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This DOP-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 DOP-C02 exam.