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What mechanism does HPE OneView use to get status data from devices as a fail-safe approach to SNMP traps?
What mechanism does HPE OneView use to get status data from devices as a fail-safe approach to SNMP traps?
A . Dashboard charts
B . SNMP trap storms
C . REST API
D . Periodic Polling
Answer: B
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right answer: periodic polling
OneView is designed to use incoming traps as a primary source for status information, but OneView also employs periodic polling of devices under management as a fail-safe approach because User Datagram Protocol (UDP)-based SNMP traps can be unreliable. Status polling is performed when a device is first added and then every 20 minutes thereafter. An event is created if the status of the device changes. In the case of server blades and rack servers, an SNMP Get request is issued for the management information base (MIB) object known as the health status array.
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