CodeHS Cybersecurity and Ethical Hacking Accreditations 4

Question 1

Which tool is commonly used for network scanning and host discovery in ethical hacking?

Accepted Answer

Nmap

Answer

Nmap (Network Mapper) is a widely used open-source tool for network discovery and security auditing, including port scanning and OS detection.

Question 2

What is a 'brute force' attack?

Accepted Answer

Systematically trying all possible combinations to guess a password or key

Answer

A brute force attack tries every possible combination of characters until the correct password or encryption key is found.

Question 3

Which type of DNS attack redirects users to fraudulent websites by corrupting DNS cache entries?

Accepted Answer

DNS poisoning (cache poisoning)

Answer

DNS cache poisoning corrupts a DNS resolver's cache with false records, silently redirecting users to malicious sites they didn't intend to visit.

Question 4

In the context of cybersecurity certifications, what does the acronym 'CEH' stand for?

Accepted Answer

Certified Ethical Hacker

Answer

CEH stands for Certified Ethical Hacker, a professional certification offered by EC-Council that validates skills in ethical hacking and penetration testing.

Question 5

What does 'defense in depth' mean in cybersecurity?

Accepted Answer

Implementing multiple overlapping layers of security controls

Answer

Defense in depth is a strategy that uses multiple layers of security controls so that if one fails, others still protect the system.

(CodeHS) Code High School Certifications Practice Test

(CodeHS) Code High School Certifications Practice Test

CodeHS Cybersecurity and Ethical Hacking Accreditations 4