As an experienced Network Engineer, you are responsible for network connectivity and system configuration. Which of the following protocols will be supported by Cisco Nonstop Forwarding (NSF)?()
A.ISSU,OSPF,IS-IS
B.IETF,OSPF,ISSU
C.IS-IS,EIGRP,SSO,BGP
D.EIGRP,BGP,OSPF,IS-IS