An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:vSphere Distributed Switch MTU supported statusThe administrator has all of the VMkernel ports MTU sizes set to 1600.Which action will remedy this problem?
Answer(s): C
You can increase the MTU size up to 9000 bytes. Therefore, a MTU of 9100 is not supported. The MTU configured in the VDS must match the physical switch configured MTU.
What is a potential downside of having more than four paths per datastore?
Answer(s): D
While using more than the required number of paths restricts the number of LUNs you can present to a host, it may also affect host resources such as CPU cycles and also every path from a host requires an initiator record and there may be a limit to the number of initiators per storage system.Large numbers of paths i.e in excess of 4 per host may be required in environments where bursts of I/O from other hosts sharing the storage system ports are unpredictable and severe, for example boot storm scenarios where 8 paths per host might be plausible.
https://davidring.ie/2015/01/16/vmware-vsphere-host-path-limit/
Restoration of the vCenter Server Appliance is accomplished using which interface?
You can also perform a restore operation by deploying a new vCenter Server Appliance and using the vCenter Server Appliance management interface to copy the data from the file-based backup to the new appliance.
What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)
Answer(s): A,D
A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure.Which statement is true if a fifth host is added?
Select the Percentage of Cluster Resources Reserved admission control policy. This policy offers the most flexibility in terms of host and virtual machine sizing. When configuring this policy, choose a percentage for CPU and memory that reflects the number of host failures you want to support. For example, if you want vSphere HA to set aside resources for two host failures and have ten hosts of equal capacity in the cluster, then specify 20%
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