Whichtwostatementsregardingexternalauthenticationserversforfirewalluserauthenticationaretrue?()
A.Uptothreeexternalauthenticationservertypescanbeusedsimultaneously.
B.Onlyoneexternalauthenticationservertypecanbeusedsimultaneously.
C.Ifthelocalpassworddatabaseisnotconfiguredintheauthenticationorder,andtheconfigured authenticationserverisunreachable,authenticationisnotperformed.
D.Ifthelocalpassworddatabaseisnotconfiguredintheauthenticationorder,andtheconfigured authenticationserverrejectstheauthenticationrequest,authenticationisnotperformed