Question 623 of 1,000

Planning and Scoping →mediumMultiple SelectObjective-mapped

PT0-002 Planning and Scoping Practice Question

This PT0-002 practice question tests your understanding of planning and scoping. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 penetration testing firm is scoping a network penetration test for a client. The client has provided a list of IP ranges and subnets. Which TWO of the following should the tester consider when defining the scope?

A
Identify any third-party hosted services within the provided IP ranges and obtain explicit permission
Correct. Third-party services need separate authorization.
B
Define which IP ranges are out of scope and document them
Correct. Clearly defining out-of-scope assets prevents accidental testing.
C
All IP addresses owned by the client are in scope
Why wrong: Not all IP addresses may be in scope; some may be excluded for business reasons.
D
Test all IP addresses regardless of ownership to ensure complete coverage
Why wrong: Testing non-owned IP addresses without authorization is illegal.
E
Include all subnets that are routable from the internet
Why wrong: Routability does not determine scope; scope must be explicitly defined.

Full breakdown with real-world context →

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

✓

Identify any third-party hosted services within the provided IP ranges and obtain explicit permission

Scoping must distinguish in-scope vs out-of-scope assets and address third-party services that require permission.

Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.

Answer analysis

Option-by-option breakdown

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

✓
Identify any third-party hosted services within the provided IP ranges and obtain explicit permission
Why this is correct
Correct. Third-party services need separate authorization.
Related concept
CIDR notation defines the prefix length.
✓
Define which IP ranges are out of scope and document them
Why this is correct
Correct. Clearly defining out-of-scope assets prevents accidental testing.
Related concept
CIDR notation defines the prefix length.
✗
All IP addresses owned by the client are in scope
Why it's wrong here
Not all IP addresses may be in scope; some may be excluded for business reasons.
✗
Test all IP addresses regardless of ownership to ensure complete coverage
Why it's wrong here
Testing non-owned IP addresses without authorization is illegal.
✗
Include all subnets that are routable from the internet
Why it's wrong here
Routability does not determine scope; scope must be explicitly defined.

Common exam traps

Common exam trap: usable hosts are not the same as total addresses

Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.

Detailed technical explanation

How to think about this question

Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.

KKey Concepts to Remember

CIDR notation defines the prefix length.
Block size helps identify subnet boundaries.
Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
The required host count determines the smallest suitable subnet.

TExam Day Tips

Write the block size before choosing the subnet.
Check whether the question asks for hosts, subnets or a specific address range.
Do not confuse /24, /25, /26 and /27 host counts.

Key takeaway

Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.

Real-world example

How this comes up in practice

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. Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets. Security exam questions test whether you can match controls to threats in context — not just recall definitions.

Visual reference

What to study next

Got this wrong? Here's your next step.

Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related PT0-002 subnetting questions on CIDR, address ranges, and subnet selection.

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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 — CIDR notation defines the prefix length..

What is the correct answer to this question?

The correct answer is: Identify any third-party hosted services within the provided IP ranges and obtain explicit permission — Scoping must distinguish in-scope vs out-of-scope assets and address third-party services that require permission.

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

What is the key concept behind this question?

CIDR notation defines the prefix length.

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Last reviewed: Jul 4, 2026

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