Storage capabilities be populated in what two ways? (Choose two.)
A.
The administrator can use tags to describe capabilities.
B.
Default capabilities are provided by vCenter Server.
C.
Datastores can advertise their capabilities through VAAI.
D.
Datastores can advertise their capabilities through VASA.
Explanation:
http://cormachogan.com/2015/02/17/vsphere-6-0-storage-features-part-5-virtual-volumes/
Correct AD
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.storage.doc/GUID-FABAC069-04FA-4741-A18D-FA810D2E26C8.html
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@ VMware .. Storage capabilities be populated in what two ways? (Choose two.)
POPULATED WHERE EXACTLY ?
BAD QUESTIONING SKILLS YET AGAIN …AAARGH!
Storage capabilities are discovered once vcenter meets the storage device and the speak VASA .. depending on the verison of the VASA both sides use , capabilities are exposed/discovered and in turn then can be used in stroagepolicies (if exposed by vmware vcenter) in the form of rules.
So D is a valid answer
And A is an answer
but now what about about B ?
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This information is obtained from storage providers, also called VASA providers. Another source is datastore tags.
For entities represented by storage (VASA) providers, verify that an appropriate provider is registered. After the storage providers are registered, the VM Storage Policies interface becomes populated with information about datastores and data services that the providers represent.
Generally, VMFS and NFS datastores are not represented by a storage provider. They do not display their capabilities and data services in the VM Storage Polices interface. You can use tags to encode information about these datastores. For example, you can tag your VMFS datastores as VMFS-Gold and VMFS-Silver to represent different levels of service.
You can also use tags to encode information that is not advertised by the storage provider, such as geographical location (Palo Alto), or administrative group (Accounting).
Similar to the storage capabilities and characteristics, all tags associated with the datastores appear in the VM Storage Policies interface. You can use the tags when you define the tag-based placement rules.
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