You are sitting in an airport preparing to use a free WLAN. When you look at the connections in your Windows 7 wireless client, you see a network name and three boxes with a yellow shield.
What does this mean?
A . You cannot connect to this WLA
C . An open ad hoc network is nearby.
D . The WLAN in the airport is open.
E . A secure ad hoc network is nearby.
F . A secure WLAN is in the airport.
G . You must provide a username and password to access the WLAN in the airport.
Answer: B
Explanation:
You can connect to a detected network by clicking the wireless connection icon in the status bar, clicking an SSID name (the signal strength of the associated AP is represented by green bars, five bars representing the best signal; an exclamation mark inside a yellow shield is displayed if the SSID has no security [Open authentication, no encryption]), clicking Connect and completing the security parameters when applicable.
http://www.ciscopress.com/articles/article.asp?p=2131139
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