Orion Is Displaying a Device as "Down" and Is Unable

Orion is displaying a device as "down" and is unable to communicate with the device via ICMP. However, you are able to ping that device from the command-line on the Orion server. Orion is displaying other devices as being "up". What is a possible cause of this issue?

A) The Orion polling engine has stopped and needs to be restarted.
B) Orion is using a different version of ICMP than the one CLI is using.
C) The Orion ICMP messages have the discard eligible bit set.
D) ICMP messages with content in the payload portion of the packets are being blocked.

Correct Answer:

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