CompTIA Security+ (SY0-501) — Question 871

During certain vulnerability scanning scenarios, it is possible for the target system to react in unexpected ways. This type of scenario is MOST commonly known as:

Answer options

• A. intrusive testing
• B. a buffer overflow
• C. a race condition
• D. active reconnaissance

Correct answer: A

Explanation

The correct answer is A, intrusive testing, which involves actively probing a system for vulnerabilities, potentially causing unexpected behavior. The other options describe different concepts; B refers to a specific type of software vulnerability, C indicates a timing issue in concurrent processes, and D generally relates to gathering information without interacting with the target system.