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.
A company uses AWS Systems Manager to manage a fleet of EC2 instances. The operations team needs to run a script on all instances that are missing a specific security patch. Which Systems Manager capability should be used to accomplish this?
Automation
Why wrong: Automation is for multi-step workflows, not simple script execution.
State Manager
State Manager can maintain desired state of instances, including running scripts to remediate missing patches.
Run Command
Why wrong: Run Command is for one-time execution, not for ongoing compliance.
Patch Manager
Why wrong: Patch Manager is specifically for applying patches, not running custom scripts.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
State Manager
State Manager is the correct capability because it is designed to maintain consistent configuration of EC2 instances by defining and enforcing a desired state. In this scenario, the operations team needs to ensure that all instances missing a specific security patch are brought into compliance, which is a classic desired-state management task. State Manager uses associations to define the desired state (e.g., a script to apply the patch) and automatically enforces it on a schedule or on-demand, making it ideal for ensuring all instances eventually reach the patched state.
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.
Automation
Why it's wrong here
Automation is for multi-step workflows, not simple script execution.
State Manager
Why this is correct
State Manager can maintain desired state of instances, including running scripts to remediate missing patches.
Related concept
Read the scenario before looking for a memorised answer.
Run Command
Why it's wrong here
Run Command is for one-time execution, not for ongoing compliance.
Patch Manager
Why it's wrong here
Patch Manager is specifically for applying patches, not running custom scripts.
Common exam traps
The trap here is that candidates often confuse State Manager with Run Command, but State Manager is for ongoing state enforcement and compliance, while Run Command is for one-time, ad-hoc execution without any state tracking.
Trap categories for this question
Command / output trap
Run Command is for one-time execution, not for ongoing compliance.
Detailed technical explanation
State Manager uses SSM documents (e.g., AWS-ApplyPatchBaseline or custom scripts) within associations that target instances based on tags, resource groups, or custom queries. Under the hood, State Manager leverages the Systems Manager Agent (SSM Agent) to evaluate the desired state against the current state and execute remediation actions, with built-in rate limiting and error handling to avoid overwhelming the fleet. A real-world scenario where this matters is when a critical security patch (e.g., CVE-2023-XXXX) must be applied to all instances, and State Manager can be configured to run a custom script that checks for the patch and applies it if missing, then re-evaluates on a recurring schedule to catch new instances or failed applications.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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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: State Manager — State Manager is the correct capability because it is designed to maintain consistent configuration of EC2 instances by defining and enforcing a desired state. In this scenario, the operations team needs to ensure that all instances missing a specific security patch are brought into compliance, which is a classic desired-state management task. State Manager uses associations to define the desired state (e.g., a script to apply the patch) and automatically enforces it on a schedule or on-demand, making it ideal for ensuring all instances eventually reach the patched state.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 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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