- A
Likelihood and impact
Risk = Likelihood × Impact. This is the standard formula used in risk management. Likelihood considers factors like ease of exploitation and exposure, while impact considers data sensitivity and business disruption.
- B
CVSS base score and temporal score
Why wrong: The CVSS score is a numerical representation of severity, but it is derived from likelihood and impact metrics. The question asks for the fundamental factors, not an expression of them.
- C
Number of affected systems and data classification
Why wrong: These are contributing factors to likelihood and impact, but they are not the fundamental components. They help determine the impact but are not the core of risk calculation.
- D
Ease of exploitation and attack vector
These are components that feed into the likelihood factor, but they are not sufficient on their own. Impact must also be considered to determine risk.
Quick Answer
The answer is ease of exploitation and attack vector, as these two factors are the most fundamental to risk calculation in penetration testing. Ease of exploitation directly determines the likelihood that a threat actor will successfully leverage a vulnerability, while the attack vector defines the path and conditions required for that exploitation, together quantifying the probability of a breach. On the CompTIA PenTest+ PT0-002 exam, this concept tests your understanding that risk is not just about severity but about how reachable and simple the exploit is; a common trap is confusing high CVSS scores with high risk, when a vulnerability requiring physical access or complex conditions may actually pose lower risk. Remember the memory tip: "Path and Push" — the attack vector is the path, and ease of exploitation is the push that makes it likely to happen.
PT0-002 Reporting and Communication Practice Question
This PT0-002 practice question tests your understanding of reporting and communication. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
When calculating the risk rating for a vulnerability found during a penetration test, which two factors are most fundamental to the risk calculation?
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
Likelihood and impact
Risk rating in penetration testing is fundamentally derived from the likelihood that a vulnerability will be exploited and the impact if it is exploited. These two factors form the core of any risk assessment framework, including NIST SP 800-30 and ISO 31000, because they directly quantify the probability and consequence of a threat event. Without likelihood and impact, you cannot compute a meaningful risk score, as other factors like CVSS scores or asset counts are secondary inputs that feed into these primary dimensions.
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.
- ✓
Likelihood and impact
Why this is correct
Risk = Likelihood × Impact. This is the standard formula used in risk management. Likelihood considers factors like ease of exploitation and exposure, while impact considers data sensitivity and business disruption.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
CVSS base score and temporal score
Why it's wrong here
The CVSS score is a numerical representation of severity, but it is derived from likelihood and impact metrics. The question asks for the fundamental factors, not an expression of them.
- ✗
Number of affected systems and data classification
Why it's wrong here
These are contributing factors to likelihood and impact, but they are not the fundamental components. They help determine the impact but are not the core of risk calculation.
- ✓
Ease of exploitation and attack vector
Why this is correct
These are components that feed into the likelihood factor, but they are not sufficient on their own. Impact must also be considered to determine risk.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the misconception that CVSS scores alone define risk, but the trap here is that CVSS is a measure of vulnerability severity, not risk, which requires contextual likelihood and impact to be meaningful.
Detailed technical explanation
How to think about this question
In practice, likelihood is often derived from factors such as threat source capability, attack vector complexity, and existing controls (e.g., firewall rules or authentication requirements), while impact considers confidentiality, integrity, and availability (CIA) loss. For example, a critical RCE vulnerability (CVSS 10) on a public-facing web server with no WAF has high likelihood and high impact, yielding a critical risk; the same vulnerability on an isolated internal system with strict network segmentation may have low likelihood, reducing the overall risk rating. This distinction is why frameworks like FAIR (Factor Analysis of Information Risk) explicitly separate loss event frequency (likelihood) from loss magnitude (impact).
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.
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
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 security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Reporting and Communication — study guide chapter
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Targeted practice on this topic area only
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PT0-002 practice test guide
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FAQ
Questions learners often ask
What does this PT0-002 question test?
Reporting and Communication — This question tests Reporting and Communication — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Likelihood and impact — Risk rating in penetration testing is fundamentally derived from the likelihood that a vulnerability will be exploited and the impact if it is exploited. These two factors form the core of any risk assessment framework, including NIST SP 800-30 and ISO 31000, because they directly quantify the probability and consequence of a threat event. Without likelihood and impact, you cannot compute a meaningful risk score, as other factors like CVSS scores or asset counts are secondary inputs that feed into these primary dimensions.
What should I do if I get this PT0-002 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This PT0-002 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 PT0-002 exam.
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