- A
The tester must have network access to both in-scope and out-of-scope systems
Why wrong: While network access is needed, the primary requirement for segmentation testing is knowing the boundaries between CDE and non-CDE systems.
- B
The tester must be provided with a diagram of the network segmentation
A segmentation diagram defines the boundaries and is essential for the tester to plan and conduct tests that verify isolation between CDE and other networks.
- C
The tester must agree not to scan any out-of-scope IP addresses
Why wrong: Segmentation testing often requires scanning out-of-scope IPs to verify they cannot reach in-scope systems; an outright ban would hinder the test.
- D
The tester must obtain written authorization from the client's security team
Why wrong: Authorization is standard for all testing, but it does not specifically address the need for understanding segmentation boundaries.
Quick Answer
The correct answer is that the tester must be provided with a diagram of the network segmentation. This is essential because PCI DSS segmentation testing requires verifying that controls like firewalls, VLANs, and ACLs truly isolate the cardholder data environment (CDE) from out-of-scope systems; without a diagram documenting the expected boundaries, IP ranges, and traffic flows, the tester cannot design targeted tests—such as traceroute or Nmap scans—to confirm no unauthorized paths exist. On the CompTIA PenTest+ PT0-002 exam, this question tests your understanding of scoping rules of engagement, where a common trap is focusing on tool selection or timing rather than the foundational need for a documented baseline. A simple memory tip: “No map, no gap”—without the network diagram, you cannot identify where segmentation gaps might be hiding.
PT0-002 Planning and Scoping Practice Question
This PT0-002 practice question tests your understanding of planning and scoping. 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.
A client is subject to PCI DSS compliance and requests a penetration test. The client's network has a mix of in-scope systems (cardholder data environment) and out-of-scope systems. During scoping, the tester recommends a specific approach to ensure accurate segmentation testing. Which of the following is the most important consideration for the rules of engagement?
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
The tester must be provided with a diagram of the network segmentation
For accurate segmentation testing under PCI DSS, the tester must verify that the segmentation controls (e.g., firewalls, VLANs, ACLs) effectively isolate the cardholder data environment (CDE) from out-of-scope systems. A network diagram is essential because it documents the expected segmentation boundaries, IP ranges, and traffic flows, allowing the tester to design targeted tests (e.g., using traceroute, nm scans, or firewall rule validation) to confirm that no unauthorized paths exist between segments. Without this diagram, the tester cannot determine which systems should be reachable and which should be blocked, making segmentation validation unreliable.
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.
- ✗
The tester must have network access to both in-scope and out-of-scope systems
Why it's wrong here
While network access is needed, the primary requirement for segmentation testing is knowing the boundaries between CDE and non-CDE systems.
- ✓
The tester must be provided with a diagram of the network segmentation
Why this is correct
A segmentation diagram defines the boundaries and is essential for the tester to plan and conduct tests that verify isolation between CDE and other networks.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The tester must agree not to scan any out-of-scope IP addresses
Why it's wrong here
Segmentation testing often requires scanning out-of-scope IPs to verify they cannot reach in-scope systems; an outright ban would hinder the test.
- ✗
The tester must obtain written authorization from the client's security team
Why it's wrong here
Authorization is standard for all testing, but it does not specifically address the need for understanding segmentation boundaries.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the need for a network diagram (a scoping/planning artifact) with operational restrictions like not scanning out-of-scope IPs, but PCI DSS segmentation testing explicitly requires probing those out-of-scope systems to prove isolation.
Detailed technical explanation
How to think about this question
Under the hood, segmentation testing often involves sending crafted packets (e.g., ICMP echo requests, TCP SYN scans on common ports like 22 or 443) from a host inside the CDE to out-of-scope IPs, then analyzing responses or timeouts to infer firewall rules. A subtle behavior is that stateful firewalls may allow return traffic for established connections, so the tester must use stateless probes or spoofed source IPs to avoid false negatives. In a real-world scenario, a misconfigured VLAN trunk or a missing ACL on a router could leave a hidden path, and only a detailed diagram showing all Layer 3 boundaries and default gateways would reveal where to probe.
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: The tester must be provided with a diagram of the network segmentation — For accurate segmentation testing under PCI DSS, the tester must verify that the segmentation controls (e.g., firewalls, VLANs, ACLs) effectively isolate the cardholder data environment (CDE) from out-of-scope systems. A network diagram is essential because it documents the expected segmentation boundaries, IP ranges, and traffic flows, allowing the tester to design targeted tests (e.g., using traceroute, nm scans, or firewall rule validation) to confirm that no unauthorized paths exist between segments. Without this diagram, the tester cannot determine which systems should be reachable and which should be blocked, making segmentation validation unreliable.
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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