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How does vSphere High Availability (HA) primarily detect that an ESXi host has failed? vSphere 高可用性 (HA) 主要如何偵測 ESXi 主機發生故障？

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Answer choices

  1. A By querying the physical switch port status via SNMP traps. 透過 SNMP 陷阱查詢實體交換器埠狀態
  2. B By checking the vCenter Server database logs every 60 seconds. 每 60 秒檢查一次 vCenter Server 資料庫日誌
  3. C By sending ICMP pings from the active virtual machines to the gateway. 從活動中的虛擬機向閘道發送 ICMP ping
  4. D By exchanging network and datastore heartbeats between ESXi hosts in the cluster 透過在叢集中的 ESXi 主機之間交換網路和資料儲存心跳訊號

Learning notes

By exchanging network and datastore heartbeats between ESXi hosts in the cluster 透過在叢集中的 ESXi 主機之間交換網路和資料儲存心跳訊號 Master and slave hosts exchange network heartbeats and datastore heartbeats to confirm health status. 主機與從屬主機之間交換網路心跳與資料儲存心跳，以確認健康狀態

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