Quick Answer
The answer is white-box testing. This is correct because white-box penetration testing, also known as clear-box or structural testing, is defined by the test team having full knowledge of the internal system, including network diagrams, source code, and administrative credentials, as described in the scenario. On the Certified Information Systems Professional CISSP exam, this concept tests your ability to distinguish testing methodologies based on the level of information provided to the assessor. A common trap is confusing white-box with gray-box testing, which offers partial knowledge, or black-box, which simulates an external attacker with no insider access. Remember the memory tip: "White is bright—you see everything inside," meaning the tester has complete visibility into the system’s architecture and logic, enabling a deep analysis of configuration weaknesses and hidden backdoors that other approaches would miss.
This CISSP practice question tests your understanding of security assessment and testing. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An organization is planning a penetration test of its internal network. The test team has been given network diagrams, source code access, and administrative credentials. This type of testing is known as:
Black-box testing
Why wrong: No prior knowledge given.
Red team testing
Why wrong: Red team is an adversarial role, not a knowledge-based classification.
White-box testing
Full disclosure of system details to testers.
Gray-box testing
Why wrong: Limited knowledge is provided.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
White-box testing
White-box testing (also known as clear-box or structural testing) is characterized by the test team having full knowledge of the internal system architecture, including network diagrams, source code, and administrative credentials. This level of access allows testers to perform a thorough analysis of the application logic, configuration weaknesses, and potential backdoors that would be invisible in a black-box approach. The scenario explicitly states the team was given these artifacts, making white-box testing the correct classification.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Black-box testing
Why it's wrong here
No prior knowledge given.
Red team testing
Why it's wrong here
Red team is an adversarial role, not a knowledge-based classification.
White-box testing
Why this is correct
Full disclosure of system details to testers.
Related concept
Read the scenario before looking for a memorised answer.
Gray-box testing
Why it's wrong here
Limited knowledge is provided.
Common exam traps
The trap here is that candidates often confuse 'red team testing' with 'white-box testing' because both involve internal knowledge, but red team testing is defined by its adversarial objectives and operational scope, not by the level of information disclosure, whereas the question's key differentiator is the explicit provision of source code and credentials.
Detailed technical explanation
In practice, white-box testing enables techniques such as code coverage analysis (statement, branch, and path coverage) and static application security testing (SAST) to identify vulnerabilities like SQL injection or buffer overflows at the source level. For example, with administrative credentials, testers can directly query Active Directory for misconfigurations or extract password hashes from the SAM database, which would be impossible in a black-box test. This approach is often mandated for high-assurance environments like PCI DSS compliance, where a full source code review is required to validate security controls.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Security Assessment and Testing — study guide chapter
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FAQ
Security Assessment and Testing — This question tests Security Assessment and Testing — Read the scenario before looking for a memorised answer..
The correct answer is: White-box testing — White-box testing (also known as clear-box or structural testing) is characterized by the test team having full knowledge of the internal system architecture, including network diagrams, source code, and administrative credentials. This level of access allows testers to perform a thorough analysis of the application logic, configuration weaknesses, and potential backdoors that would be invisible in a black-box approach. The scenario explicitly states the team was given these artifacts, making white-box testing the correct classification.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This CISSP practice question is part of Courseiva's free ISC2 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 CISSP exam.
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