Which of the following storage backends are supported by HashiCorp technical support? (select four)
A . Filesystem
B . Consul
C . In-Memory
D . Raft
E . DynamoDB
F . MySQL
Answer: A,B,C,D
Explanation:
Just to clarify, "HashiCorp supported" means, it is supported by HashiCorp’s technical support, it doesn’t mean that Vault supports the platform as a storage backend.
For example, DynamoDB is a valid storage backend, but it is not officially supported by HashiCorp technical support but it has got the community support.
In-Memory – HashiCorp Supported
MySQL – Community Supported
Raft – HashiCorp Supported
Dynamo DB – Community Supported
Consul – HashiCorp Supported
Filesystem – HashiCorp Supported
Check more details on below link:-
https://www.vaultproject.io/docs/configuration/storage/in-memory