While configuring a Linux-based monitoring platform, an administrator considers replacing periodic REST polling with a webhook integration. Which statement accurately describes how a webhook delivers alert data to a downstream incident-management service?
It expects the incident-management service to poll the monitoring API at fixed intervals using HTTP GET requests.
It streams all monitoring data continuously through a persistent SSH tunnel initiated by the monitoring server.
It uses an HTTP or HTTPS POST to push a JSON-formatted payload to a registered URL only when the alert state changes.
It sends unsolicited UDP datagrams on port 162 that reference MIB object identifiers for every event.
A webhook follows a push model. When a defined event (for example, an alert changing state) occurs, the monitoring system immediately issues an HTTP/HTTPS POST request that contains the event payload-commonly formatted as JSON-to a pre-configured URL on the incident-management service. No long-lived connection or periodic polling is required, and the receiver need only listen for those inbound requests. The incorrect options reflect other mechanisms: polling requires the receiver to pull data; a persistent SSH stream is unrelated to webhooks; and UDP/port-162 traffic with MIB OIDs describes SNMP traps, not webhooks.
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