- A
Specify that the tester will only use ACK scans and never send data payloads.
Why wrong: ACK scans are less likely to crash services, but the main issue is DoS. ACK scans can still cause log overload and might not be sufficient to guarantee no disruption.
- B
Include a clause that prohibits denial-of-service attacks and rate-limits all automated tools.
Explicitly prohibiting DoS and implementing rate limits directly addresses the client's concern about service disruption.
- C
State that the tester will not use any automated tools and will perform only manual testing.
Why wrong: Manual testing alone may be too slow and inefficient to meet test objectives. Rate-limiting automated tools is a better approach.
- D
Do not include any specific limitation; the tester assumes responsibility for any outages.
Why wrong: Ignoring the client's request is unprofessional and could lead to liability issues. The ROE must reflect the client's constraints.
Quick Answer
The correct choice is to include a clause that prohibits denial-of-service attacks and rate-limits all automated tools, as this directly addresses the client’s concern about service disruption. Rate-limiting prevents the tester’s automated tools from overwhelming the web application with excessive requests, which could cause resource exhaustion or unresponsiveness, while the explicit DoS prohibition ensures no intentional disruption occurs. On the CompTIA PenTest+ PT0-002 exam, this tests your understanding of scoping rules of engagement (ROE) to balance thorough testing with operational safety—a common trap is selecting a clause that only prohibits DoS without addressing the subtler risk of unintentional overload from unthrottled tools. Remember the memory tip: “Rate-limit to stay legit, ban DoS to stay legit.”
PT0-002 Planning and Scoping Practice Question
This PT0-002 practice question tests your understanding of planning and scoping. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 client wants to conduct a penetration test of their web application, but they are concerned about potential service disruption. They request that the tester avoid using any techniques that could cause the application to crash or become unresponsive. Which of the following should the tester include in the rules of engagement to address this requirement?
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
Include a clause that prohibits denial-of-service attacks and rate-limits all automated tools.
Option B is correct because it directly addresses the client's concern by prohibiting denial-of-service attacks and implementing rate-limiting on automated tools. Rate-limiting prevents overwhelming the web application with requests, which could cause resource exhaustion or unresponsiveness, while the prohibition on DoS ensures no intentional disruption occurs. This aligns with the rules of engagement (RoE) requirement to scope the test safely.
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.
- ✗
Specify that the tester will only use ACK scans and never send data payloads.
Why it's wrong here
ACK scans are less likely to crash services, but the main issue is DoS. ACK scans can still cause log overload and might not be sufficient to guarantee no disruption.
- ✓
Include a clause that prohibits denial-of-service attacks and rate-limits all automated tools.
Why this is correct
Explicitly prohibiting DoS and implementing rate limits directly addresses the client's concern about service disruption.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
State that the tester will not use any automated tools and will perform only manual testing.
Why it's wrong here
Manual testing alone may be too slow and inefficient to meet test objectives. Rate-limiting automated tools is a better approach.
- ✗
Do not include any specific limitation; the tester assumes responsibility for any outages.
Why it's wrong here
Ignoring the client's request is unprofessional and could lead to liability issues. The ROE must reflect the client's constraints.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'avoiding service disruption' with 'avoiding all automated tools' or 'avoiding all payloads,' when the correct approach is to control the intensity of testing through rate-limiting and explicit prohibitions on disruptive techniques like DoS.
Detailed technical explanation
How to think about this question
Rate-limiting in penetration testing often involves configuring tools like Burp Suite or Nmap with a throttle (e.g., --max-rate 10 or --scan-delay 1s) to control packet-per-second output, preventing TCP connection exhaustion or HTTP request flooding. In a real-world scenario, a tester might use a custom script with exponential backoff to avoid triggering WAF rate limits or causing the application's thread pool to saturate, which could lead to a crash even without a DoS intent.
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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Planning and Scoping — study guide chapter
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FAQ
Questions learners often ask
What does this PT0-002 question test?
Planning and Scoping — This question tests Planning and Scoping — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Include a clause that prohibits denial-of-service attacks and rate-limits all automated tools. — Option B is correct because it directly addresses the client's concern by prohibiting denial-of-service attacks and implementing rate-limiting on automated tools. Rate-limiting prevents overwhelming the web application with requests, which could cause resource exhaustion or unresponsiveness, while the prohibition on DoS ensures no intentional disruption occurs. This aligns with the rules of engagement (RoE) requirement to scope the test safely.
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 11, 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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