The answer is a black-box penetration test. This is correct because a black-box penetration test definition centers on simulating an external attacker who has zero prior knowledge of the target environment, meaning no credentials, network diagrams, or source code are provided, forcing the tester to rely entirely on publicly available information and active reconnaissance like port scanning and service enumeration to discover vulnerabilities. On the CompTIA PenTest+ PT0-002 exam, this concept tests your ability to differentiate test types based on the level of insider knowledge given; a common trap is confusing it with a gray-box test, which provides limited credentials or diagrams. Remember the memory tip: “Black is blind” — the tester starts blind, just like a real-world outsider, with no inside help.
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 requests a penetration test that simulates an external attacker with no prior knowledge of the internal network. The tester is not provided with any credentials, network diagrams, or source code. Which type of test does this describe?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Black-box test
This is a black-box test because the tester simulates an external attacker with no prior knowledge of the internal network, no credentials, no network diagrams, and no source code. In black-box testing, the tester must discover all vulnerabilities from an outsider's perspective, relying solely on publicly available information and active reconnaissance techniques such as port scanning, service enumeration, and vulnerability scanning. This approach aligns with the client's requirement to mimic a real-world attacker who has zero insider knowledge.
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.
✗
White-box test
Why it's wrong here
A white-box test provides the tester with full knowledge of the environment, including credentials and source code.
✓
Black-box test
Why this is correct
In a black-box test, the tester has no internal knowledge and must rely solely on publicly available information and reconnaissance.
Related concept
Read the scenario before looking for a memorised answer.
✗
Gray-box test
Why it's wrong here
A gray-box test provides limited information, such as login credentials or network architecture, but not full internal knowledge.
✗
Covert test
Why it's wrong here
Covert testing refers to the tester's identity being hidden from the organization, not the level of knowledge provided.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse black-box testing with gray-box testing, mistakenly thinking that 'no credentials' automatically implies gray-box, but gray-box testing still provides some internal knowledge (e.g., network diagrams or low-privilege access), which is explicitly absent in this scenario.
Detailed technical explanation
How to think about this question
In black-box penetration testing, the tester typically begins with passive reconnaissance (e.g., DNS enumeration, WHOIS lookups) and then moves to active scanning using tools like Nmap for port discovery and service version detection. The tester must rely on techniques such as banner grabbing and vulnerability scanning (e.g., using Nessus or OpenVAS) to identify potential entry points, without any internal context like subnet layouts or authentication mechanisms. This approach is critical for assessing the external attack surface and testing perimeter defenses such as firewalls and intrusion prevention systems.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PT0-002 question in full detail.
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: Black-box test — This is a black-box test because the tester simulates an external attacker with no prior knowledge of the internal network, no credentials, no network diagrams, and no source code. In black-box testing, the tester must discover all vulnerabilities from an outsider's perspective, relying solely on publicly available information and active reconnaissance techniques such as port scanning, service enumeration, and vulnerability scanning. This approach aligns with the client's requirement to mimic a real-world attacker who has zero insider knowledge.
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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Question Discussion
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