You are in a coffee shop and you have connected to their wireless hot-spot. Your Windows 7 wireless client shows five green bars with a yellow shield. Which statement about the level of signal strength and the WLAN security that is present is true?

A.
You have excellent signal strength and a secure network connection.

B.
Your wireless client needs a username and password before it can connect to the WLAN.

C.
You have excellent signal strength and the client is waiting for you to enter a username and password.

D.
Your laptop is not receiving a signal.

E.
Your laptop is receiving an excellent signal and the network security is open.

Explanation: