A. IS-IS, EIGRP, SSO, BGP
B. ISSU, OSPF, IS-IS
C. IETF, OSPF, ISSU
D. EIGRP, BGP, OSPF, IS-IS

A. An information trap is sent to the SNMP server.
B. Informational and debug messages are logged to the syslog server.
C. All messages are sent to the logging host, where selections are made.
D. All messages from emergencies to informational are sent to the logging host.