Quick Answer
The answer is EC2 user data and AWS CloudFormation. EC2 user data allows you to pass scripts or commands at instance launch, which are executed by cloud-init, enabling automated software installation and configuration without manual intervention. AWS CloudFormation extends this by using its template resources to bootstrap instances with custom configurations, often combining user data with stack parameters for repeatable, infrastructure-as-code deployments. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of launch-time automation versus post-launch monitoring or security tools—a common trap is confusing AWS Config or CloudWatch, which audit or observe state but do not configure at launch. Remember the key distinction: automation at launch requires a service that executes code or applies settings during the boot cycle, not afterward. A useful memory tip is “Launch = User Data + CloudFormation”; think of user data as the script and CloudFormation as the orchestrator that delivers it.
This DOP-C02 practice question tests your understanding of configuration management and iac. 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.
Which TWO AWS services can be used to automate the configuration of EC2 instances at launch? (Choose two.)
Amazon CloudWatch
Why wrong: CloudWatch is for monitoring and logging.
EC2 user data
User data scripts run at instance launch.
AWS CloudFormation
CloudFormation can create EC2 instances with user data or cfn-init.
Amazon Inspector
Why wrong: Inspector is for security assessment.
AWS Config
Why wrong: AWS Config evaluates configuration, does not automate it.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
EC2 user data
Option B is correct because EC2 user data can run scripts at launch. Option D is correct because AWS CloudFormation can bootstrap instances with configuration. Option A is wrong because AWS Config is for monitoring. Option C is wrong because Amazon Inspector is for security scanning. Option E is wrong because Amazon CloudWatch is for monitoring.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon CloudWatch
Why it's wrong here
CloudWatch is for monitoring and logging.
EC2 user data
Why this is correct
User data scripts run at instance launch.
Related concept
Read the scenario before looking for a memorised answer.
AWS CloudFormation
Why this is correct
CloudFormation can create EC2 instances with user data or cfn-init.
Related concept
Read the scenario before looking for a memorised answer.
Amazon Inspector
Why it's wrong here
Inspector is for security assessment.
AWS Config
Why it's wrong here
AWS Config evaluates configuration, does not automate it.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
The correct answer is: EC2 user data — Option B is correct because EC2 user data can run scripts at launch. Option D is correct because AWS CloudFormation can bootstrap instances with configuration. Option A is wrong because AWS Config is for monitoring. Option C is wrong because Amazon Inspector is for security scanning. Option E is wrong because Amazon CloudWatch is for monitoring.
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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
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.
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