CS0-003 Reporting and Communication Practice Question
Which metric would best indicate the effectiveness of an organization's patch management program?
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
✓
Patch SLA compliance percentage
Patch SLA compliance percentage directly measures how often patches are applied within required timeframes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Phishing simulation click rates
Why it's wrong here
Phishing simulation click rates measure user security awareness and susceptibility to social engineering, not the effectiveness of patch management. They reflect human behavior, not the organization's ability to apply security patches within defined SLAs. Even low click rates would not indicate whether vulnerabilities are remediated in a timely manner; they are a separate control in the security awareness program.
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Open vulnerability counts by severity
Why it's wrong here
Open vulnerability counts by severity provide a snapshot of current exposure, but they do not measure whether patches are applied within the contractual or policy-based SLA. A high count could be due to newly discovered vulnerabilities or legacy systems, while a low count might obscure overdue patches. The metric lacks a temporal component relative to patch availability and does not directly assess compliance with patching timelines.
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Mean time to detect (MTTD)
Why it's wrong here
Mean time to detect (MTTD) measures the time to identify security incidents, which is a detection metric from the incident response lifecycle. It has no direct relationship with patching timeliness or patch management effectiveness; an attacker could be detected quickly even if patches are never applied. Conversely, an organization with perfect patching could still have a poor MTTD due to weak monitoring, so it is unsuitable as a patching metric.
- ✓
Patch SLA compliance percentage
Why this is correct
Patch SLA compliance percentage directly measures the proportion of patches applied within the stipulated timeframes, such as critical patches within 48 hours or high-severity within 30 days. It quantifies adherence to the patching policy and reflects the organization's ability to remediate known vulnerabilities on schedule. This is the most relevant benchmark because it captures timeliness, completeness, and scheduling discipline, which are the core factors of patch management effectiveness.
Go deeper
Related to this question
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Patch and Remediation Workflows
Key term
General Data Protection Regulation
A European Union law that gives individuals control over their personal data and sets strict rules for how organizations collect, store, and process that data.
Key term
Patch management
Patch management is the process of identifying, acquiring, testing, and deploying software updates (patches) to fix vulnerabilities, bugs, or improve performance in IT systems.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CS0-004 practice question is part of Courseiva's free CompTIA 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 CS0-004 exam.