If you're planning on taking the Security+ exam, you should have a basic understanding of relevant security control concepts and the importance of security monitoring.
Here's a sample question, can you answer this?
Q. You need to perform tests on your network to identify missing security controls. However, you want to have the least impact on systems that users are accessing. Which of the following tools is the best to meet this need?
A. Code review
B. Vulnerability scan
C. Ping sweep
D. Penetration test
More, do you know why the correct answer is correct and the incorrect answers are incorrect? The answer and explanation is available here.