A(n) ________ is a note or comment placed at the conclusion of a section or a document

What steps should be taken to lock down a WiFi network?

a. No SSID broadcast, non-default SSID, MAC access control, and WEP encryption b. No SSID broadcast, non-default SSID, MAC access control, and WPA-PSK encryption c. SSID broadcast, non-default SSID, MAC access control, and WPA-PSK encryption d. SSID broadcast, non-default SSID, MAC access control, WEP encryption, and RADIUS authentication

The feature that two classes can have behaviors that are named the same and have essentially the same purpose but different implementations is called .

Fill in the blank(s) with the appropriate word(s).