A series of replacement servers are installed on a network. The SNMP (Simple Network Management Protocol) monitoring server had previously been able to retrieve statistics from the servers, but is not able to retrieve statistics from the new servers. Which statement is true?

A.
The latest service packs are needed for the SNMP (Simple Network Management Protocol) monitoring server.

B.
The DMI (Desktop Management Interface) agents need to be loaded on the servers.

C.
An upgrade to SNMP (Simple Network Management Protocol) Version 3 on the SNMP (Simple Network Management Protocol) monitoring server is needed.

D.
SNMP (Simple Network Management Protocol) community strings need to match between the servers and the SNMP (Simple Network
Management Protocol) monitoring server.