When this object is set to TRUE, this shall indicate that
WPA is enabled on this entity. The entity will advertise the
WPA Information Element in its Beacons and Probe Responses.
This object requires that dot11PrivacyInvoked also be set
to TRUE.
If dot11PrivacyInvoked is TRUE and etsysWPAConfigEnabled is
FALSE, the security mechanism used is WEP.