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?
A. WEP
B. WPA-TKIP
C. WPA-AES
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.