Which function of SNMP enables information to be collected?

The MIB (Management Information Base) is a hierarchical schema that defines what objects can be monitored, not a functional mechanism that transmits or collects information.

An SNMP trap is an unsolicited notification sent from an SNMP agent to the SNMP manager when a specific event or threshold condition is triggered, directly enabling information to be collected. Unlike polling-based GET operations, traps allow agents to immediately push critical information to the manager without waiting to be queried. This push mechanism is the core SNMP function that enables timely collection of device status and event data.

The SNMP manager is the central management platform that receives and processes SNMP data, but it is the system performing collection rather than the specific function enabling it.

The SNMP agent runs on managed devices and responds to queries or sends traps, but it is the managed component rather than the specific SNMP function that enables information collection.