Quick Answer
The answer is path traversal, as verbose error messages that reveal full file paths directly facilitate this attack by exposing the server’s directory structure. When a web application leaks internal paths—such as “/var/www/html/includes/config.php”—an attacker gains the map needed to navigate outside the web root using “../” sequences. On the CompTIA PenTest+ PT0-002 exam, this scenario tests your ability to link information disclosure to its most logical exploitation technique; a common trap is confusing these file-path leaks with SQL injection, which instead relies on database error messages revealing query syntax. Remember the key distinction: file paths point to traversal, while database errors point to injection. A useful memory tip is “paths for traversal, queries for injection.”
This PT0-002 practice question tests your understanding of tools and code analysis. 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.
During a web application test, a penetration tester discovers that the server returns verbose error messages containing full file paths. Which type of attack is directly facilitated by this information disclosure?
Path traversal
Disclosed file paths allow an attacker to construct traversal payloads to access arbitrary files.
SQL injection
Why wrong: SQL injection is aided by database-specific error messages, not generic file paths.
CSRF
Why wrong: CSRF attacks exploit missing tokens, not path disclosure.
Cross-site scripting
Why wrong: XSS requires input reflection or script injection, not file path disclosure.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Path traversal
Verbose error messages revealing file paths can enable path traversal attacks, as the attacker learns the directory structure. SQL injection may be facilitated by database error messages, but file paths are specific to path traversal.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Path traversal
Why this is correct
Disclosed file paths allow an attacker to construct traversal payloads to access arbitrary files.
Related concept
Static NAT maps one inside address to one outside address.
SQL injection
Why it's wrong here
SQL injection is aided by database-specific error messages, not generic file paths.
CSRF
Why it's wrong here
CSRF attacks exploit missing tokens, not path disclosure.
Cross-site scripting
Why it's wrong here
XSS requires input reflection or script injection, not file path disclosure.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PT0-002 NAT questions on configuration and troubleshooting.
Tools and Code Analysis — study guide chapter
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FAQ
Tools and Code Analysis — This question tests Tools and Code Analysis — Static NAT maps one inside address to one outside address..
The correct answer is: Path traversal — Verbose error messages revealing file paths can enable path traversal attacks, as the attacker learns the directory structure. SQL injection may be facilitated by database error messages, but file paths are specific to path traversal.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PT0-002 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 23, 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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