After a firewall replacement, some alarms and metrics related to network availability stopped updating on a
monitoring system relying on SNMP. Which of the following should the network administrator do FIRST?


A. Modify the device's MIB on the monitoring system.
B. Configure syslog to send events to the monitoring system.
C. Use port mirroring to redirect traffic to the monitoring system.
D. Deploy SMB to transfer data to the monitoring system.