D is right.
Each site in the stretched cluster is configured as a fault domain. Fault domains are used to spread redundancy components across servers. In a traditional vSAN cluster, redundant components are spread across servers in separate computing racks, and as a result, can tolerate rack failures, cache and capacity device failures, network device failures, and power failures.
When used in a stretched cluster, fault domains spread redundancy components across sites, and therefore can tolerate the failure of an entire data site.
The minimum number of hosts in a stretched cluster is three, one host in each data site plus the witness host in the witness site.
The maximum number of hosts in a stretched cluster is 31, fifteen hosts in each data site plus the witness host in the witness site.
Taken from vSAN 6.7 Deploy and Manage Lecture Manual - Stretched Cluster Architecture section
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Lazylinux
3 years, 6 months agodiegof1
4 years, 5 months ago