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Which VMware Tools upgrade method minimizes the need for scheduled downtime?
A. Use vCenter Server to select and upgrade virtual machines
B. Use vSphere PowerCLI and create a script to upgrade the virtual machines
C. Use Update Manager to perform an orchestrated upgrade of virtual machines
D. Configure the virtual machines to check for and install updates at each reboot cycle
Correct Answer: D
Explanation/Reference:
Explanation:
Virtual machines can be configured to check for and install newer versions of VMware Tools. The guest operating system checks the version of VMware
Tools when you power on a virtual machine. A minimum downtime is required to restart the guest operating system.
Incorrect Answers:
A: This option upgrades multiple virtual machines simultaneously, thus requiring longer downtime.
B: This is not a valid option for upgrading VMware Tools.
C: Although this option can be used, it upgrades the virtual hardware upgrades as well, thus requiring longer downtime.
References:
http://pubs.vmware.com/vsphere-51/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-51-virtual-machine-admin-guide.pdf