Which statement about the level of signal strength and the WLAN security that is present is true?

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 WLA
D . You have excellent signal strength and the client is waiting for you to enter a username and password.
E . Your laptop is not receiving a signal.
F . Your laptop is receiving an excellent signal and the network security is open.

Answer: E