What function does an SNMP agent perform?
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Correct answer: Sends MIB variable data in response to NMS requests.
Why this is the answer
An SNMP agent runs on a network device and collects management information. When an NMS (Network Management System) sends a GET request for specific data, the agent retrieves that data from its MIB (Management Information Base) and sends it back to the NMS. This allows the NMS to monitor and manage the device. Managing routing is the function of a router, not an SNMP agent. Coordinating user authentication is handled by AAA servers (TACACS+ or RADIUS), not SNMP agents. While SNMP can report events, polling for catastrophic events is typically done by the NMS, which then receives traps or responses from agents.
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