YouwanttoimplementrouterredundancyintheCompanynetworkusingthebestmethodavailable.WhichprotocolspecifiedbyRFC2281providesnetworkredundancyforIPnetworks,ensuringthatusertrafficimmediatelyandtransparentlyrecoversfromfirst-hopfailuresinnetworkedgedevicesoraccesscircuits?()
A.ICMP
B.IRDP
C.HSRP
D.STP
E.Noneoftheotheralternativesapply