In which two situations will Elastic DRS add another a host to the cluster?

A cloud administrator Is managing a VMware Cloud on AWS environment consisting of a single cluster with six hosts. There have been no changes made to the Elastic DRS configuration.

In which two situations will Elastic DRS add another a host to the cluster? (Choose two.)
A . When availability zone failure occurs
B . When memory utilization reaches 90%
C . When network utilization reaches 90%
D . When CPU utilization reaches 90%
E . When storage utilization reaches 80%

Answer: AE

Explanation:

https://docs.vmware.com/en/VMware-Cloud-on-AWS/services/com.vmware.vmc-aws-operations/GUID-961C4B32-6093-4C2E-AFE5-5B1F56BF4EEE.html

https://docs.vmware.com/en/VMware-Cloud-on-AWS/services/com.vmware.vmc-aws-operations/GUID-961C4B32-6093-4C2E-AFE5-5B1F56BF4EEE.html#:~:text=In%20a%20new%20SDDC%2C%20Elastic,AWS%20Availability%20Zone

%20failure%20occurs.