NBA TV - High definition. 1  NBA TV HD is a 1080i high definition simulcast feed of NBA TV that is available on most providers.
Updated September 13, 2016. Definition: WPA is a security technology for Wi-Fi wireless computer networks. WPA improves on the authentication and encryption features of WEP (Wired Equivalent Privacy). In fact, WPA was developed by the networking industry in response to the weaknesses of WEP.
WPA offers more advanced protection than WEP. Wired Equivalent Proxy (WEP) defines the most basic type of encryption that protects information sent via a wireless connection from prying eyes. Wi-Fi Protected Access (WPA) provides a higher level of encryption and therefore, protection.