If you're planning on taking the Security+ exam, you should have a basic understanding of security protocols used on wireless networks.
For example, can you answer this sample question?
Q. You are assisting a user implement a wireless network in his home. The wireless hardware he has requires the RC4 protocol. What type of security is BEST for this network?
D. WPA2 Enterprise
More, do you know why the correct answer is correct and the incorrect answers are incorrect? The answer and explanation is available here.