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What is the minimum number of vCenter installations and vNetwork Distributed Switches

Suppose you have 10000 Virtual Machines across 2 Datacenters, with approximately
5000 Virtual Machines in each Datacenter. What is the minimum number of vCenter
installations and vNetwork Distributed Switches required to support this configuration if
all virtual machines were powered on (Choose Two)?

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A.
1 vNetwork Distributed Switch per Datacenter

B.
4 32-bit Windows based vCenter Servers in Linked Mode

C.
2 vNetwork Distributed Switches per Datacenter

D.
4 64-bit Windows based vCenter Servers in Linked Mode

Explanation:

Configuration Maximums VMware® vSphere 4.0 and vSphere 4.0 Update 1, age 6, 7.

Table 5. Networking Maximums

Total virtual network switch ports per host (vDS and vSS ports) 4096

Since there are approximately 5000 VMs per Datacenter, 2 vNetwork Distributed
Switches per Datacenter are required, hence C.

Table 7. vCenter Server Maximums

Powered?on virtual machines (32?bit OS server) 2000
Registered virtual machines (32?bit OS server) 3000
Powered?on virtual machines (64?bit OS server) 3000
Registered virtual machines (64?bit OS server) 4500

Since, the question states ‘What is the minimum number of vCenter installations and
vNetwork Distributed Switches required to support this configuration if all virtual
machines were powered on’, and there are 10000 VMs, either 4 vCenter 64?bit OS
servers or 5 vCenter 32?bit OS servers are required. Therefore D is required.


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