Refer to the exhibit. During ISP router maintenance, the network produced many alerts because of the flapping interface. Which configuration on R1 resolves the ...

Refer to the exhibit. During ISP router maintenance, the network produced many alerts because of the flapping interface. Which configuration on R1 resolves the issue?

A. ip verify drop-rate notify hold-down 60 B. snmp trap link-status down C. snmp trap ip verify drop-rate D. no snmp trap link-status