Question 176 of 509
Planning and ScopinghardMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to allow testing on all VLANs except the production VLAN containing payment processing, with a rule to immediately stop if any degradation is observed. This choice directly satisfies the client’s rules of engagement for an internal penetration test excluding the production VLAN, because it permits realistic lateral movement from the guest network into development and other segments while explicitly protecting the payment system from disruption. On the CompTIA PenTest+ PT0-002 exam, this scenario tests your ability to balance scope, safety, and realism—a common trap is selecting an overly restrictive option that prevents internal testing altogether, or one that permits denial-of-service attacks. The key memory tip here is “protect the crown jewels”: always isolate critical production assets like payment processing, but leave other VLANs in scope to validate segmentation controls.

PT0-002 Planning and Scoping Practice Question

This PT0-002 practice question tests your understanding of planning and scoping. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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 medium-sized e-commerce company, CyberMart, has contracted your penetration testing firm to assess their security posture. The company operates from three physical locations: headquarters, a data center, and a remote warehouse. They have a flat internal network but separate VLANs for production, development, and guest Wi-Fi. CyberMart's CISO insists that the test must be conducted without causing any disruption to the production environment, especially the payment processing system. The test should simulate an external attacker targeting the public-facing web servers and an internal attacker who has gained initial access to the guest network. The CISO also requests that all testing be done during off-peak hours to minimize impact. You are preparing the rules of engagement. Which of the following is the most appropriate action to include in the ROE to satisfy the client's requirements while maintaining a realistic test scenario?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "minimum / minimize"

    Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

Question 1hardmultiple choice
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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

Allow testing on all VLANs except the production VLAN containing payment processing, with a rule to immediately stop if any degradation is observed.

Option C allows testing on all VLANs except the critical production VLAN with payment processing, and includes a stop condition if degradation is observed. This balances realism (testing internal segmentation from guest network) with safety (protecting payment systems). Option A is too restrictive and does not test internal movement from guest network. Option B includes denial-of-service tests which are explicitly not allowed due to disruption. Option D ignores the internal testing requirement entirely.

Key principle: A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Include all VLANs but with explicit permission to conduct denial-of-service tests only during off-peak hours.

    Why it's wrong here

    Denial-of-service tests would disrupt production, contradicting the CISO's request.

  • Allow testing on all VLANs except the production VLAN containing payment processing, with a rule to immediately stop if any degradation is observed.

    Why this is correct

    This covers the required scenarios while protecting critical systems.

    Clue confirmation

    The clue word "minimum / minimize" in the question point toward this answer.

    Related concept

    Access ports place end devices into a single VLAN.

  • Focus exclusively on the external web servers and exclude internal network testing due to the risk of disruption.

    Why it's wrong here

    This ignores the internal attacker scenario, which is part of the test objectives.

  • Restrict testing to only the guest network and external IPs, excluding all production VLANs.

    Why it's wrong here

    This fails to test internal segmentation beyond the guest network, which is a key requirement.

Common exam traps

Common exam trap: an active trunk can still block the VLAN you need

A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.

Trap categories for this question

  • Scenario analysis trap

    This ignores the internal attacker scenario, which is part of the test objectives.

Detailed technical explanation

How to think about this question

VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.

KKey Concepts to Remember

  • Access ports place end devices into a single VLAN.
  • Trunk ports carry multiple VLANs between switches.
  • Allowed VLAN lists decide which VLANs can cross a trunk.
  • Native VLAN mismatch can create confusing symptoms.

TExam Day Tips

  • Use show vlan brief to verify access VLANs.
  • Use show interfaces trunk to verify trunk state and allowed VLANs.
  • Do not treat every same-VLAN issue as a routing problem.

Key takeaway

A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.

Real-world example

How this comes up in practice

A SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.

What to study next

Got this wrong? Here's your next step.

Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related PT0-002 questions on switching, trunking, and access-port configuration.

Related practice questions

Related PT0-002 practice-question pages

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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 — Access ports place end devices into a single VLAN..

What is the correct answer to this question?

The correct answer is: Allow testing on all VLANs except the production VLAN containing payment processing, with a rule to immediately stop if any degradation is observed. — Option C allows testing on all VLANs except the critical production VLAN with payment processing, and includes a stop condition if degradation is observed. This balances realism (testing internal segmentation from guest network) with safety (protecting payment systems). Option A is too restrictive and does not test internal movement from guest network. Option B includes denial-of-service tests which are explicitly not allowed due to disruption. Option D ignores the internal testing requirement entirely.

What should I do if I get this PT0-002 question wrong?

Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related PT0-002 questions on switching, trunking, and access-port configuration.

Are there clue words in this question I should notice?

Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

What is the key concept behind this question?

Access ports place end devices into a single VLAN.

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Last reviewed: Jun 23, 2026

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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.