An architect intends to use the Primary Level of Failures To Tolerate (PFTT) to calculate the minimum number of required hosts for a vSAN cluster.
Which calculation model should be used?

• A.1 * PFTT + 1
• B.2 * PFTT + 2
• C.1 * PFTT + 2
• D.2 * PFTT + 1

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An architect is designing a vSAN cluster.
Which storage controller option will yield optimal performance?

• A.Hugh queue depth
• B.Set caching to 50% read on the controller
• C.Enable battery write-back caching
• D.RAID 0

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An administrator is planning to deploy cloud-native workloads onto the vSAN Direct datastore.
Which storage policy structure rule is supported?

• A.Tag-based placement rules
• B.Host-based rules
• C.Storage performance-based rules
• D.vVOL storage rules

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During a vSAN design workshop, the infrastructure team highlighted the need to ensure the availability and resiliency of the vSAN network for their production clusters. Each ESXi host is connected to the TOR switches with two 1 GB physical adapters. The physical network fabric is using a spine-leaf architecture.
These subnets are available for the ESXi hosts:
- Subnet A: 192.168.10.0/24
- Subnet B: 192.168.20.0/24
Which three strategies can the architect suggest to satisfy these customer requirements?
(Choose three.)

• A.Add two vSAN VMKernel ports to subnet A.
• B.Add one vSAN VMKernel port to subnet A.
• C.Configure NIC teaming.
• D.Configure MTU 9K jumbo frame on the hosts and leaf switches.
• E.Replace the server NICs with 10 GB ones.
• F.Add one vSAN VMKernel port to subnet B.

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During a design workshop for a stretched vSAN cluster, the requirement that some of the VMs be configured with no-mirror between sites was discussed.
Which three recommendations should the architect provide to address an event of a network partition between two sites? (Choose three.)

• A.One isolation address reachable only from the witness appliance in both sites
• B.One of isolation addresses should reside in the site 2 data center
• C.One of isolation addresses should reside in the site 1 data center
• D.VMware vSphere DRS rules to force the VMs to run where the data resides
• E.The default gateway must be used as the only isolation address
• F.Host isolation response must exclude the VMs required

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