Which of the following best describes a token accessor?
Answer(s): D
Comprehensive and Detailed in DepthA token accessor is a unique identifier linked to a token, used for management purposes. The HashiCorp Vault documentation states: "A token accessor is created alongside of each token, and the accessor can be used to perform limited actions against the token, including looking up the token's properties, renewing the token, and even revoking the token." It acts as a reference, not the token itself, enabling specific operations without exposing the token's value. The docs further clarify: "Token accessors provide a way to interact with a token without needing the token itself, enhancing security by limiting direct exposure." Option A misattributes access control, B ties it to TTL (unrelated), and C confuses it with the token. Thus, D accurately describes its role.
HashiCorp Vault Documentation - Tokens: Token Accessors
Which is not a capability that can be used when writing a Vault policy?
Answer(s): B
Comprehensive and Detailed in DepthWhen writing a Vault policy, the valid capabilities are predefined, and modify is not among them. The HashiCorp Vault documentation states: "When writing a policy in Vault, permissions which can be applied to paths include create, read, update, delete, list, deny, and sudo." These capabilities dictate what actions a token can perform on a path.The docs elaborate: "Capabilities are specific permissions assigned to paths in a policy. For example, create allows creating new resources, update modifies existing ones, delete removes them, list retrieves listings, and read accesses data." Modify is not a recognized capability; it's likely a misnomer for update. Thus, B is the correct answer.
HashiCorp Vault Documentation - Policies: Capabilities
Which statement best explains the role and usage of storage backends in HashiCorp Vault?
Answer(s): A
Comprehensive and Detailed in DepthStorage backends in Vault are responsible for storing persistent data, impacting its operation. The HashiCorp Vault documentation states: "The storage stanza configures the storage backend, which represents the location for the durable storage of Vault's information. Each backend has pros, cons, advantages, and trade-offs. For example, some backends support high availability while others provide a more robust backup and restoration process." This includes secrets, policies, and audit logs, affecting scalability and performance.The docs add: "Vault uses a storage backend to persist its encrypted data, configuration, and metadata." Option B is incorrect as encryption is handled by Vault, not the backend. C and D are wrong--backends store all persistent data, not just tokens or unseal keys. Thus, A is correct.
HashiCorp Vault Documentation - Storage Backends
Which of the following are benefits of using the Vault Secrets Operator (VSO)? (Select three)
Answer(s): A,C,D
Comprehensive and Detailed in DepthThe Vault Secrets Operator (VSO) enhances secrets management in Kubernetes. The HashiCorp Vault documentation lists its benefits: "The following features are supported by the Vault Secrets Operator:Support for syncing from multiple secret sources.Automatic secret drift and remediation.Automatic secret rotation for Deployment, ReplicaSet, StatefulSet Kubernetes resource types." The docs explain: "VSO watches for changes to its supported Custom Resource Definitions (CRDs) and synchronizes secrets from Vault to Kubernetes Secrets, ensuring consistency (A). It detects and corrects unauthorized changes (C) and rotates secrets for specified resource types (D)." Bi-directional sync (B) is not supported--sync is one-way from Vault to Kubernetes. Thus, A, C, and D are correct.
HashiCorp Vault Documentation - Vault Secrets Operator
True or False? Once the minimum decryption version is set on an encryption key, older versions of the key are removed from Vault and are no longer available for decryption operations.
Comprehensive and Detailed in DepthThe statement is False. Setting the minimum decryption version does not remove older key versions. The HashiCorp Vault documentation states: "Key versions that are earlier than a key's specified min_decryption_version get archived, and the rest of the key versions belong to the working set. In an emergency, the min_decryption_version can be moved back to allow for legitimate decryption." Older versions remain available for decryption if needed. The docs add: "Archiving a key version does not delete it; it simply marks it as outside the active working set, but Vault retains it for potential use." Thus, older versions are not removed, making B correct.
HashiCorp Vault Documentation - Transit Secrets Engine: Working Set Management
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