- A
AWS Config
Why wrong: AWS Config evaluates resource configurations against desired policies and provides compliance history, but it does not automate patching. It can detect drift but cannot schedule or apply patches.
- B
Amazon Inspector
Why wrong: Amazon Inspector is a vulnerability management service that scans workloads for software vulnerabilities and network exposure. It identifies missing patches but does not apply them or provide a centralized patching dashboard.
- C
AWS Systems Manager Patch Manager
AWS Systems Manager Patch Manager automates the process of patching managed instances. With cross-account support via AWS Organizations and IAM roles, it allows you to define a single patch baseline, schedule patching across multiple accounts, and view aggregated compliance status in the Systems Manager console.
- D
AWS Trusted Advisor
Why wrong: AWS Trusted Advisor inspects your AWS environment and makes recommendations based on AWS best practices in categories like cost optimization, performance, security, and fault tolerance. It does not offer patch management or scheduling capabilities.
CLF-C02 Cloud Technology and Services Practice Question
This CLF-C02 practice question tests your understanding of cloud technology and services. 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. A key principle to apply: systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.. 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 to manage multiple accounts. The operations team runs hundreds of Amazon EC2 instances across these accounts for various applications. The security team requires that all EC2 instances be patched with the latest security updates within 7 days of release. Currently, the operations team manually applies patches by logging into each account and using Systems Manager Patch Manager individually. The team wants to centralize patch compliance management so that a single operations team can define patch baselines, schedule patching, and view compliance status across all accounts from a single pane of glass, without needing to switch between accounts. Which AWS service or feature should the team use to meet these requirements?
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 Systems Manager Patch Manager
AWS Systems Manager Patch Manager is the correct choice because it allows the operations team to centrally define patch baselines, schedule patching across multiple AWS accounts, and view compliance status from a single pane of glass using AWS Systems Manager Quick Setup or multi-account management features. By integrating with AWS Organizations, Patch Manager can target EC2 instances across all accounts without requiring the team to switch between accounts, meeting the requirement for centralized patch compliance management.
Key principle: Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.
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 Config
Why it's wrong here
AWS Config evaluates resource configurations against desired policies and provides compliance history, but it does not automate patching. It can detect drift but cannot schedule or apply patches.
When this WOULD be correct
A company needs to continuously monitor and record EC2 instance configurations, detect drift from desired baseline configurations, and trigger remediation actions (e.g., via Lambda) when instances become non-compliant with patching rules.
- ✗
Amazon Inspector
Why it's wrong here
Amazon Inspector is a vulnerability management service that scans workloads for software vulnerabilities and network exposure. It identifies missing patches but does not apply them or provide a centralized patching dashboard.
When this WOULD be correct
A company needs to automatically assess EC2 instances for missing security patches and software vulnerabilities across multiple accounts, and generate a consolidated findings report. The security team wants to identify which instances are non-compliant with patch policies, but the actual patching is handled by a separate process.
- ✓
AWS Systems Manager Patch Manager
Why this is correct
AWS Systems Manager Patch Manager automates the process of patching managed instances. With cross-account support via AWS Organizations and IAM roles, it allows you to define a single patch baseline, schedule patching across multiple accounts, and view aggregated compliance status in the Systems Manager console.
Related concept
Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.
- ✗
AWS Trusted Advisor
Why it's wrong here
AWS Trusted Advisor inspects your AWS environment and makes recommendations based on AWS best practices in categories like cost optimization, performance, security, and fault tolerance. It does not offer patch management or scheduling capabilities.
When this WOULD be correct
A company wants to receive security recommendations and check for common misconfigurations across their AWS environment, such as overly permissive security groups or unused resources, and wants a single dashboard to view these findings for multiple accounts using AWS Organizations.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The CLF-C02 exam frequently reuses these exact scenarios with slightly different constraints.
✓AWS Systems Manager Patch ManagerCorrect answer▾
Why this is correct
AWS Systems Manager Patch Manager automates the process of patching managed instances. With cross-account support via AWS Organizations and IAM roles, it allows you to define a single patch baseline, schedule patching across multiple accounts, and view aggregated compliance status in the Systems Manager console.
✗AWS ConfigWrong answer — click to see why▾
Why this is wrong here
AWS Config evaluates resource compliance against rules but does not provide patch management, scheduling, or centralized patch compliance dashboards across accounts.
★ When this WOULD be the correct answer
A company needs to continuously monitor and record EC2 instance configurations, detect drift from desired baseline configurations, and trigger remediation actions (e.g., via Lambda) when instances become non-compliant with patching rules.
Why candidates choose this
Candidates may confuse AWS Config's compliance evaluation capabilities with patch management, assuming it can handle patching workflows when it only assesses configuration state.
✗Amazon InspectorWrong answer — click to see why▾
Why this is wrong here
Amazon Inspector is a vulnerability assessment service that scans for software vulnerabilities and unintended network exposure, but it does not provide patch management, scheduling, or centralized compliance dashboards across multiple accounts. The question requires defining baselines, scheduling patching, and viewing compliance status, which are capabilities of Systems Manager Patch Manager, not Inspector.
★ When this WOULD be the correct answer
A company needs to automatically assess EC2 instances for missing security patches and software vulnerabilities across multiple accounts, and generate a consolidated findings report. The security team wants to identify which instances are non-compliant with patch policies, but the actual patching is handled by a separate process.
Why candidates choose this
Candidates may confuse Amazon Inspector's vulnerability scanning with patch compliance management, assuming that detecting missing patches implies the ability to schedule and apply them. They might also think Inspector's multi-account support provides the centralized view required.
✗AWS Trusted AdvisorWrong answer — click to see why▾
Why this is wrong here
AWS Trusted Advisor provides best-practice recommendations for cost optimization, performance, security, and fault tolerance, but it does not offer the ability to define patch baselines, schedule patching, or view patch compliance status across multiple accounts from a single pane of glass.
★ When this WOULD be the correct answer
A company wants to receive security recommendations and check for common misconfigurations across their AWS environment, such as overly permissive security groups or unused resources, and wants a single dashboard to view these findings for multiple accounts using AWS Organizations.
Why candidates choose this
Trusted Advisor is associated with security checks and best practices, so candidates may mistakenly believe it can manage patching, especially when the requirement mentions 'compliance status' and 'single pane of glass'.
Analysis generated from the official CLF-C02blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Amazon Inspector's vulnerability scanning with actual patch management, but Inspector only identifies vulnerabilities and does not apply patches, whereas Patch Manager is the service designed for centralized patching and compliance reporting.
Detailed technical explanation
How to think about this question
AWS Systems Manager Patch Manager uses SSM Agent on EC2 instances to execute patching operations based on patch baselines that define approved and rejected patches (e.g., by classification, severity, or product). When integrated with AWS Organizations, Patch Manager can use a delegated administrator account to manage patching across all member accounts via Systems Manager Quick Setup, which automatically configures the necessary IAM roles and targets, enabling a single operations team to schedule patching and view compliance from the Systems Manager console without switching accounts.
KKey Concepts to Remember
- Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.
- It integrates with AWS Organizations for cross-account patch baseline definition and compliance reporting.
- Patch Baselines define rules for approving or rejecting patches for different operating systems.
- Maintenance Windows can be used to schedule patching operations during specific times.
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
Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.
Real-world example
How this comes up in practice
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. Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Visual reference
What to study next
Got this wrong? Here's your next step.
Review systems Manager Patch Manager automates patching of EC2 instances and on-premises servers., then practise related CLF-C02 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Technology and Services — This question tests Cloud Technology and Services — Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers..
What is the correct answer to this question?
The correct answer is: AWS Systems Manager Patch Manager — AWS Systems Manager Patch Manager is the correct choice because it allows the operations team to centrally define patch baselines, schedule patching across multiple AWS accounts, and view compliance status from a single pane of glass using AWS Systems Manager Quick Setup or multi-account management features. By integrating with AWS Organizations, Patch Manager can target EC2 instances across all accounts without requiring the team to switch between accounts, meeting the requirement for centralized patch compliance management.
What should I do if I get this CLF-C02 question wrong?
Review systems Manager Patch Manager automates patching of EC2 instances and on-premises servers., then practise related CLF-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Systems Manager Patch Manager automates patching of EC2 instances and on-premises servers.
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Last reviewed: Jun 11, 2026
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