What SNMFV3 command disables descriptive error messages?

A.
snmp-server usm Cisco

B.
snmp-server ifindex persist

C.
snmp-server trap link switchover

D.
snmp-server inform

Explanation:
You can use the snmp-server usm cisco command to disable the descriptive messages,
thus preventing malicious users from misusing the information shown in the error messages.
The table below describes the Cisco-specific error messages shown when the snmpserver usm cisco command is used, and the table compares these messages with the
corresponding RFC 3414-compliant error messages.http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-
3se/3850/snmp-xe-3se-3850-book/nm-snmp-snmpv3.html