HCVA0-003 Practice Questions

Secrets engines are components that store, generate, or encrypt data in Vault. They are enabled at a specific path in Vault and have their own API and configuration. Some of the statements that describe the secrets engines in Vault are:

Some secrets engines simply store and read data, such as the key/value secrets engine, which acts like an encrypted Redis or Memcached.  Other secrets engines perform more complex operations, such as generating dynamic credentials, encrypting data, issuing certificates, etc 1 .

You can build your own custom secrets engine by using the plugin system, which allows you to write and run your own secrets engine as a separate process that communicates with Vault over gRP

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  You can also use the SDK to create your own secrets engine in Go and compile it into Vault 2 .

Each secrets engine is isolated to its path, which means that the secrets engine cannot access or interact with other secrets engines or data outside its path. The path where the secrets engine is enabled can be customized and can have multiple segments.  For example, you can enable the AWS secrets engine at aws/ or aws/prod/ or aws/dev/ 3 .

The statements that are not true about the secrets engines in Vault are:

You can disable an existing secrets engine by using the vault secrets disable command or the sys/mounts API endpoint.  When a secrets engine is disabled, all of its secrets are revoked and all of its data is deleted from the storage backend 4 .

A secrets engine can be enabled at multiple paths, with a few exceptions, such as the system and identity secrets engines. Each secrets engine enabled at a different path is independent and isolated from others.  For example, you can enable the KV secrets engine at kv/ and secret/ and they will not share any data 3 .