Quick Answer
The correct answer is to use passive sniffing to capture traffic and crack WPA2 passwords offline, as this method allows the tester to obtain the four-way handshake without sending any packets that could disrupt the network. Passive sniffing works by placing the wireless interface in monitor mode and simply listening for the handshake exchange that occurs when a legitimate client connects to the access point, capturing the cryptographic material needed for offline brute-force or dictionary attacks. On the CompTIA PenTest+ PT0-002 exam, this question tests your understanding of the distinction between active and passive reconnaissance in wireless assessments, with a common trap being the assumption that you must send deauthentication frames to force a handshake—an active technique that violates the no-disruption requirement. A useful memory tip is to remember that “passive” means “packets passively received,” so if the scenario says “no disruption,” you should never choose deauth or any active injection method.
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 wireless network test must not disrupt the network. How can the tester crack WPA2 passwords without disruption?
Scan for rogue access points
Why wrong: Does not test password cracking.
Use passive sniffing to capture traffic and crack offline
Non-disruptive.
Perform a deauthentication attack
Why wrong: Active and disruptive.
Attempt a brute-force attack against the Wi-Fi password
Why wrong: Active and may cause disruption.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Use passive sniffing to capture traffic and crack offline
Option D is correct because passive sniffing captures the handshake without sending packets. Option A is wrong because deauth is active. Option B is wrong because brute-force is active. Option C is wrong because it doesn't test password strength.
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.
Scan for rogue access points
Why it's wrong here
Does not test password cracking.
Use passive sniffing to capture traffic and crack offline
Why this is correct
Non-disruptive.
Related concept
Read the scenario before looking for a memorised answer.
Perform a deauthentication attack
Why it's wrong here
Active and disruptive.
Attempt a brute-force attack against the Wi-Fi password
Why it's wrong here
Active and may cause disruption.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which PT0-002 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Planning and Scoping — study guide chapter
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FAQ
Planning and Scoping — This question tests Planning and Scoping — Read the scenario before looking for a memorised answer..
The correct answer is: Use passive sniffing to capture traffic and crack offline — Option D is correct because passive sniffing captures the handshake without sending packets. Option A is wrong because deauth is active. Option B is wrong because brute-force is active. Option C is wrong because it doesn't test password strength.
Identify which PT0-002 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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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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