The correct answer is to locate open directories that might contain sensitive files, because the Google dork `intitle:"index of" "backup" site:example.com` specifically targets web servers with directory listing enabled—where the page title contains “index of”—and filters for folders or files named “backup.” This technique, known as Google dorking, exploits misconfigured servers to expose backup archives that often hold database dumps, configuration files, or credentials. On the Certified Ethical Hacker CEH exam, this question tests your understanding of reconnaissance and information gathering, a core domain in the exam’s footprinting phase. A common trap is confusing this with searching for login pages or error messages, but the “index of” title is the key indicator of an open directory. Memory tip: think “Index = Inventory”—if the server shows its directory index, you can browse its backup inventory.
CEH Footprinting, Reconnaissance and Scanning Practice Question
This CEH practice question tests your understanding of footprinting, reconnaissance and scanning. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 tester uses the following Google dork: intitle:"index of" "backup" site:example.com. What is the MOST likely goal of this search?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Locate open directories that might contain sensitive files
The Google dork `intitle:"index of" "backup" site:example.com` targets web servers that have directory listing enabled (indicated by the page title containing 'index of') and that contain a folder or file named 'backup'. This is a classic reconnaissance technique to find open directories where backup files (e.g., database dumps, configuration files) may be inadvertently exposed, potentially containing sensitive data such as credentials or proprietary information.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Locate open directories that might contain sensitive files
Why this is correct
The dork targets directory listings (index of) with backup files, a common source of sensitive information.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Discover email addresses associated with the domain
Why it's wrong here
Email addresses are better found with 'intext:@example.com' or similar dorks.
✗
Find login pages of the target domain
Why it's wrong here
Login pages are not typically identified by 'index of' or 'backup' keywords.
✗
Identify subdomains of example.com
Why it's wrong here
Subdomain identification typically uses 'site:*.example.com' or similar.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the purpose of Google dorks, thinking 'index of' always reveals login pages or subdomains, when in fact it specifically identifies directories with listing enabled, and the 'backup' keyword pinpoints potentially sensitive data exposure.
Trap categories for this question
Keyword trap
Login pages are not typically identified by 'index of' or 'backup' keywords.
Similar concept trap
Email addresses are better found with 'intext:@example.com' or similar dorks.
Detailed technical explanation
How to think about this question
Directory listing is an Apache/Nginx default behavior when no index file (e.g., index.html) is present in a directory; the server generates an HTML page with the title 'Index of /path'. The 'backup' keyword in the dork narrows results to directories named 'backup', which often contain compressed archives (e.g., .zip, .tar.gz) or SQL dumps that are inadvertently left accessible. In a real-world scenario, a penetration tester might find a `backup/` folder containing a `db_backup.sql` file with plaintext credentials, enabling lateral movement within the target network.
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.
TExam Day Tips
→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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CEH exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CEH question in full detail.
Footprinting, Reconnaissance and Scanning — This question tests Footprinting, Reconnaissance and Scanning — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Locate open directories that might contain sensitive files — The Google dork `intitle:"index of" "backup" site:example.com` targets web servers that have directory listing enabled (indicated by the page title containing 'index of') and that contain a folder or file named 'backup'. This is a classic reconnaissance technique to find open directories where backup files (e.g., database dumps, configuration files) may be inadvertently exposed, potentially containing sensitive data such as credentials or proprietary information.
What should I do if I get this CEH question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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