2V0-21.23 Question 81
Select 3You are tasked with deploying a new VMware vSAN cluster in your environment. The design specifies a minimum configuration. Which of the following are required to meet the basic vSAN requirements?
- A
Each host must have at least one SSD or NVMe device for cache and one additional disk for capacity.
- B
All hosts in the vSAN cluster must be connected to the same Layer 3 network.
- C
A minimum of three ESXi hosts is required for a vSAN cluster to provide redundancy.
- D
vSAN requires at least 1 Gbps network bandwidth, but 10 Gbps is recommended for optimal performance.
- E
The vSAN datastore can only use HDDs for capacity.
Show answer and explanation
Correct answers: A, C, D
Explanation
vSAN requires specific hardware and network configurations to function properly. Each host must have a combination of cache and capacity devices, and a minimum of three hosts is needed for redundancy. A Layer 2 network and sufficient bandwidth (at least 1 Gbps, preferably 10 Gbps) are necessary to ensure communication and performance. Misunderstandings about network requirements or disk usage can lead to configuration issues.
- A. Correct.
Correct: Each host in a vSAN cluster must have at least one SSD or NVMe device for the cache tier and one or more additional disks for the capacity tier.
- B. Incorrect.
Incorrect: All hosts in a vSAN cluster must be connected to the same Layer 2 network, not Layer 3.
- C. Correct.
Correct: A minimum of three ESXi hosts is required to provide redundancy in a vSAN cluster through RAID configurations or fault domains.
- D. Correct.
Correct: While 1 Gbps is the minimum bandwidth requirement, 10 Gbps is recommended for optimal performance and to handle cluster operations such as resynchronization.
- E. Incorrect.
Incorrect: The vSAN datastore can use both SSDs and HDDs, where SSDs or NVMe devices handle the cache tier, and HDDs or SSDs can be used for the capacity tier.