Which is a valid requirement for deploying the vCenter Server Appliance 6.x to a DRS cluster?
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A. B. C. D.D.
The correct answer is D. One ESXi host in the cluster must not be in lockdown mode.
The vCenter Server Appliance is a preconfigured virtual machine that is deployed onto an ESXi host or a DRS cluster. The vCenter Server Appliance provides centralized management of vSphere environments.
DRS (Distributed Resource Scheduler) is a feature in vSphere that dynamically balances resources across a cluster of ESXi hosts. When deploying the vCenter Server Appliance to a DRS cluster, there are certain requirements that must be met.
Option A is not a valid requirement because putting a host in maintenance mode or lockdown mode is not necessary for deploying the vCenter Server Appliance to a DRS cluster.
Option B is not a valid requirement because all hosts in the DRS cluster must be in maintenance mode to migrate a virtual machine to another host. However, this is not a requirement for deploying the vCenter Server Appliance.
Option C is not a valid requirement because it is possible to deploy the vCenter Server Appliance to a DRS cluster even if some hosts are in maintenance mode.
Option D is a valid requirement because the vCenter Server Appliance requires access to the host's root account, which is not possible if the host is in lockdown mode. At least one ESXi host in the DRS cluster must not be in lockdown mode to deploy the vCenter Server Appliance.
In conclusion, when deploying the vCenter Server Appliance to a DRS cluster, one ESXi host in the cluster must not be in lockdown mode.