Synchronizing Time on ESXi Hosts | vSphere Administrator Methods

Three Methods for Automatic Time Synchronization on ESXi Hosts

Question

Which three methods can a vSphere administrator use to automatically synchronize time on a ESXi host? (Choose three.)

Answers

Explanations

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A. B. C. D. E.

ACD.

As a vSphere administrator, there are various methods to automatically synchronize time on an ESXi host. Here are the explanations for the three methods listed in the question:

A. Log in to the VMware Host Client, navigate to Host > Manage > Time & date and click Edit settings: In the vSphere Host Client, the administrator can navigate to the Time & Date settings under the Manage tab for the ESXi host. From there, they can modify the settings for time synchronization. By default, the ESXi host synchronizes its time with the NTP servers specified in the time configuration. The administrator can enable/disable NTP client, configure NTP servers, and adjust time synchronization interval from this screen.

B. Configure the VMware Tools time synchronization: VMware Tools is a suite of utilities that enhances the performance of a virtual machine's guest operating system and improves management of the virtual machine. One of the utilities included is the time synchronization feature, which can synchronize the time of the guest operating system with that of the ESXi host. The administrator can enable/disable time synchronization and specify the synchronization interval from the VMware Tools settings in the guest operating system.

C. Select the host in the vSphere Web Client, navigate to Configure > System > Time Configuration and click the Edit button: The vSphere Web Client allows the administrator to configure the time settings for an ESXi host through the Time Configuration tab. Here, the administrator can enable/disable the NTP client and configure the NTP servers and time synchronization interval.

D. Use the vicfg-ntp command: The vicfg-ntp command is a CLI command that can be used to configure NTP settings on an ESXi host. The administrator can use the command to add or remove NTP servers and configure the time synchronization interval.

E. Use the esxcli hardware clock get command in the ESXi Shell: The esxcli hardware clock get command is a CLI command that can be used to display the current hardware clock time of the ESXi host. This command can be used to verify the time settings of the host.

In summary, the three methods to automatically synchronize time on an ESXi host are:

  1. Log in to the VMware Host Client, navigate to Host > Manage > Time & date and click Edit settings.
  2. Configure the VMware Tools time synchronization.
  3. Select the host in the vSphere Web Client, navigate to Configure > System > Time Configuration and click the Edit button.