Preference Keys Keys that correspond to preferences in the persistent store. TopicsConstantskSCPrefCurrentSetkSCPrefNetworkServiceskSCPrefSetskSCPrefSystem See AlsoConstantsGeneric KeysComponent KeysNetwork Dictionary KeysInterface Dictionary KeysHostnames Dictionary KeysNetwork Entity KeysDNS Entity KeysEthernet Entity KeysInterface Entity KeysIPSec Entity KeysIPv4 Entity KeysIPv6 Entity Keys6to4 Entity KeysLink Entity KeysModem Entity Keys