designating a current primary network access point based upon {HEAD ~ results} of {TAIL ~ the secondarily testing step}; and 
of
designating a current primary network access point based upon { HEAD ~ results } of { TAIL ~ the secondarily testing step } ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH