What happens to the logs being sent to FortiAnalyzer from FortiGate during the time FortiAnalyzer is temporarily unavailable?

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You need to upgrade your FortiAnalyzer firmware.

What happens to the logs being sent to FortiAnalyzer from FortiGate during the time FortiAnalyzer is temporarily unavailable?
A . FortiAnalyzer uses log fetching to retrieve the logs when back online
B . FortiGate uses the miglogd process to cache the logs
C . The logfiled process stores logs in offline mode
D . Logs are dropped

Answer: B