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Which two choices would make a Virtual Machine compatib…

Which two choices would make a Virtual Machine compatible when enabling Fault Tolerance? (Choose two.)

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A.
e1000e virtual network adapter

B.
2 TB + VMDK

C.
4 Virtual CPUs (vCPU)

D.
NIC passthrough

12 Comments on “Which two choices would make a Virtual Machine compatib…

      1. genjam.bhai says:

        A and C is correct.

        Requirements:
        – CPUs that are used in host machines for fault tolerant VMs must be compatible
        – Use a 10-Gbit logging network for FT and verify that the network is low latency.

        Limitations:

        – The maximum number of fault tolerant VMs allowed on a host in the cluster. Both Primary VMs and Secondary VMs count toward this limit. The default value is 4.

        – The maximum number of vCPUs aggregated across all fault tolerant VMs on a host. vCPUs from both Primary VMs and Secondary VMs count toward this limit. The default value is 8.

        -The number of vCPUs supported by a single fault tolerant VM depends on licensing => vSphere Standard and Enterprise allows up to 2 vCPUs and
        vSphere Enterprise Plus allows up to 4 vCPUs

        https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.avail.doc/GUID-57929CF0-DA9B-407A-BF2E-E7B72708D825.html




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  1. Booba K says:

    Interesting! KB: Fault Tolerance is not supported for the e1000e vNIC.
    Documentation:
    • NIC passthrough must be turned off
    • Fault Tolerance is not supported with a 2TB+ VMDK
    So, yes, C is the ONLY correct answer!




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  2. Soy yo says:

    good observation but note that that KB applies only for:
    VMware ESXi 5.0.x
    VMware ESXi 5.1.x
    VMware ESXi 5.5.x
    VMware ESXi 6.0.x

    …so “A” appears to be a good answer




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