CEH - Certified Ethical Hacker Practice Questions: Introduction to Ethical Hacking Domain

Published: June 9, 2025 | 5 min read

Test your CEH - Certified Ethical Hacker knowledge with 5 practice questions from the Introduction to Ethical Hacking domain. Includes detailed explanations and answers.

CEH - Certified Ethical Hacker Practice Questions

Master the Introduction to Ethical Hacking Domain

Test your knowledge in the Introduction to Ethical Hacking domain with these 5 practice questions. Each question is designed to help you prepare for the CEH - Certified Ethical Hacker certification exam with detailed explanations to reinforce your learning.

Question 1

You have been given permission to perform a penetration test against a company's web server. During the test, you discover a vulnerable version of a web application. What is the ethical next step?

A) Exploit the vulnerability to show risk

B) Report the finding to the client

C) Ignore the vulnerability as you have done enough

D) Use the vulnerability to gain unauthorized access to the database

Show Answer & Explanation

Correct Answer: B

Explanation: As an ethical hacker, it is essential to report all findings to the client, including vulnerabilities, to allow them to remediate them. Exploiting vulnerabilities without consent is unethical.

Question 2

You are performing a social engineering test to evaluate the awareness and responsiveness of employees to phishing attempts. What ethical concern must you address first?

A) The legality of sending phishing emails to employees.

B) The technical feasibility of phishing the company's employees.

C) The potential to damage the company's network through phishing.

D) The risk of accessing confidential data through phishing.

Show Answer & Explanation

Correct Answer: A

Explanation: Before conducting a social engineering test, it is critical to address the legality of sending phishing emails (A), which involves ensuring you have explicit permission and a clear understanding of the scope. Options B, C, and D are technical concerns that would be considered after legal and ethical permissions are obtained.

Question 3

During a vulnerability assessment, you are tasked with identifying potential security issues in a client’s network infrastructure. Which tool would be most effective for scanning network ports to find open services?

A) Aircrack-ng

B) Nmap

C) John the Ripper

D) Nessus

Show Answer & Explanation

Correct Answer: B

Explanation: Nmap (B) is a widely-used network scanning tool that is effective for identifying open ports and the services available on them. Aircrack-ng (A) is used for wireless network penetration testing, John the Ripper (C) is a password cracking tool, and Nessus (D) is a vulnerability scanner but not specifically a port scanner.

Question 4

You are conducting a security test on a web application. During the test, you find that the application is vulnerable to SQL injection. What should be your next step in accordance with the ethical hacking process?

A) Exploit the SQL injection to extract sensitive data and prove a point.

B) Report the vulnerability to the client and suggest mitigation strategies.

C) Ignore the vulnerability as it might not be significant.

D) Attempt to patch the vulnerability yourself to showcase your skills.

Show Answer & Explanation

Correct Answer: B

Explanation: Reporting the vulnerability and suggesting mitigations is the correct approach in ethical hacking. A is incorrect as exploiting without consent breaches ethical standards. C is incorrect because even minor vulnerabilities can be significant. D is incorrect as making unauthorized changes can affect system integrity.

Question 5

While testing a client's network security, you discover unsecured Wi-Fi networks. What ethical course of action should you take?

A) Connect to the networks and explore their internal resources for vulnerabilities.

B) Report the unsecured networks to the client and suggest security enhancements.

C) Use the networks to perform further tests without informing the client.

D) Ignore the networks as they are not part of the wired infrastructure.

Show Answer & Explanation

Correct Answer: B

Explanation: Reporting the discovery and suggesting enhancements maintains ethical standards. A is incorrect as it involves unauthorized access. C is incorrect due to lack of transparency. D is incorrect as ignoring them could leave critical vulnerabilities unaddressed.

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About CEH - Certified Ethical Hacker Certification

The CEH - Certified Ethical Hacker certification validates your expertise in introduction to ethical hacking and other critical domains. Our comprehensive practice questions are carefully crafted to mirror the actual exam experience and help you identify knowledge gaps before test day.

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