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A penetration tester is using theHarvester tool to gather information about a target domain. The tester wants to collect email addresses and subdomains from public search engines and PGP key servers. Which source is theHarvester commonly configured to use for this passive reconnaissance?

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A penetration tester is using theHarvester tool to gather information about a target domain. The tester wants to collect email addresses and subdomains from public search engines and PGP key servers. Which source is theHarvester commonly configured to use for this passive reconnaissance?

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Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

Direct DNS zone transfer

DNS zone transfer is an active technique that requires querying the target's DNS server directly; theHarvester does not perform zone transfers by default.

B

Distractor review

Shodan

Shodan is an IoT search engine that can be used for passive reconnaissance, but theHarvester primarily uses search engines and PGP servers, not Shodan (unless explicitly configured via an API).

C

Distractor review

Baidu

Baidu is a search engine, but theHarvester's default common sources are Google, Bing, and PGP key servers. Baidu is not commonly used by default.

D

Best answer

Google and Bing search engines

theHarvester typically uses public search engines like Google and Bing, as well as PGP key servers, to find email addresses and subdomains in a passive manner.

Common exam trap

Common exam trap: answer the scenario, not the keyword

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.

Technical deep dive

How to think about this question

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.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Related practice questions

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More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

Question 1

A penetration tester is writing the executive summary for a report. The client's CEO needs to understand the business impact of a critical SQL injection vulnerability. Which of the following should the tester include?

Question 2

A penetration tester has gained a low-privileged shell on a Linux server. During enumeration, the tester discovers a binary with the SUID bit set that belongs to root and is known to have a buffer overflow vulnerability. What is the MOST effective next step to escalate privileges?

Question 3

A penetration tester is performing passive reconnaissance against a target domain. Which of the following resources can be used to gather information about the target without directly sending packets to the target's network? (Select two.) (Choose 2.)

Question 4

A penetration tester has obtained a TGT from a domain controller by cracking the krbtgt hash. Which attack can the tester now perform to gain persistent administrative access to any resource in the domain?

Question 5

A penetration tester is writing the executive summary for the final report. The CEO needs to understand the overall risk level and the business impact of the findings. Which of the following should be included in the executive summary?

Question 6

A penetration tester is writing the executive summary of a penetration test report. Which of the following elements is MOST important to include for a non-technical audience?

FAQ

Questions learners often ask

What does this PT0-002 question test?

Read the scenario before looking for a memorised answer.

What is the correct answer to this question?

The correct answer is: Google and Bing search engines — theHarvester supports multiple sources including Google, Bing, and PGP key servers. It queries these sources without directly interacting with the target's infrastructure, making it a passive reconnaissance tool.

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

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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