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2V0-620 · Question #134

An organization has a number of virtual machines that would benefit from Fault Tolerance. These include: A single vCPU Apache Server A dual vCPU vCenter Server A quad vCPU SQL Server An eight vCPU…

The correct answer is A. Apache Server C. SQL Server. VMware Fault Tolerance in vSphere 6.x supports a maximum of 4 vCPUs per protected VM, so only the 1-vCPU Apache Server and 4-vCPU SQL Server qualify; vCenter Server is an unsupported workload type and the Hadoop Server exceeds the vCPU ceiling.

Section 4 – Deploy and Administer VMware Virtual Machines

Question

An organization has a number of virtual machines that would benefit from Fault Tolerance. These include:

A single vCPU Apache Server A dual vCPU vCenter Server A quad vCPU SQL Server An eight vCPU Hadoop Server Which two virtual machines can be configured to use VMware Fault Tolerance? (Choose two.)

Options

  • AApache Server
  • BvCenter Server
  • CSQL Server
  • DHadoop Server

How the community answered

(52 responses)
  • A
    77% (40)
  • B
    10% (5)
  • D
    13% (7)

Why each option

VMware Fault Tolerance in vSphere 6.x supports a maximum of 4 vCPUs per protected VM, so only the 1-vCPU Apache Server and 4-vCPU SQL Server qualify; vCenter Server is an unsupported workload type and the Hadoop Server exceeds the vCPU ceiling.

AApache ServerCorrect

The Apache Server has 1 vCPU, which is well within the 4-vCPU maximum supported by VMware Fault Tolerance, making it a valid candidate for FT protection.

BvCenter Server

VMware does not support enabling Fault Tolerance on vCenter Server because it is a management infrastructure component with operational requirements - such as network and storage access patterns - that are incompatible with FT constraints.

CSQL ServerCorrect

The SQL Server has 4 vCPUs, which exactly meets the maximum vCPU count supported by VMware FT in vSphere 6.x, qualifying it for Fault Tolerance configuration.

DHadoop Server

The Hadoop Server uses 8 vCPUs, which exceeds the VMware Fault Tolerance maximum of 4 vCPUs per VM, making it ineligible for FT regardless of cluster configuration.

Concept tested: VMware Fault Tolerance vCPU limits and supported workloads

Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.avail.doc/GUID-57929CF0-DA9B-407A-BF2E-E7B72708D825.html

Topics

#Fault Tolerance#vCPU limits#FT compatibility#VM availability

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