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  1. Home
  2. HashiCorp Certification
  3. HCVA0-003 Exam
  4. HashiCorp.HCVA0-003.v2025-10-21.q101 Dumps
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Question 26

You are enabling a secrets engine in Vault using the CLI. What subcommands are available when using the vault secrets command? (Select five)

Correct Answer: C,D,E,F,G
Comprehensive and Detailed In-Depth Explanation:
The vault secrets command supports:
* C. tune: "Tune a secrets engine configuration."
* D. enable: "Enable a secrets engine."
* E. move: "Move a secrets engine to a new path."
* F. disable: "Disable a secrets engine."
* G. list: "List enabled secrets engines."
* Incorrect Options:
* A. update: Not a subcommand.
* B. migrate: Not applicable here.
"The vault secrets command has several subcommands to use when working with secrets engines." Reference:https://developer.hashicorp.com/vault/docs/commands/secrets#usage
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Question 27

To make an authenticated request via the Vault HTTP API, which header would you use?

Correct Answer: A
To make an authenticated request via the Vault HTTP API, you need to use the X-Vault-Token HTTP Header or the Authorization HTTP Header using the Bearer <token> scheme. The token is a string that represents your identity and permissions in Vault. You can obtain a token by using an authentication method, such as userpass, approle, aws, etc. The token can also be a root token, which has unlimited access to Vault, or a wrapped token, which is a response-wrapping token that can be used to unwrap the actual token. The token must be sent with every request to Vault that requires authentication, except for the unauthenticated endpoints, such as sys/init, sys/seal-status, sys/unseal, etc. The token is used by Vault to verify your identity and enforce the policies that grant or deny access to various paths and operations. References:
https://developer.hashicorp.com/vault/api-docs3, https://developer.hashicorp.com/vault/docs/concepts
/tokens4, https://developer.hashicorp.com/vault/docs/concepts/auth5
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Question 28

Sara uses the Vault CLI for administrative tasks on the production cluster. However, she encounters permission-denied errors when making changes and needs to check which policies are attached to her token to view and adjust permissions. What command can she run on the Vault node to see the attached policies?

Correct Answer: D
Comprehensive and Detailed In-Depth Explanation:
To view policies attached to her token, Sara needs vault token lookup. This command displays token details, including the policies field (e.g., [default, training]), revealing what permissions she has. vault operator diagnose troubleshoots server issues, not tokens. vault policy list lists all policies in Vault, not those tied to a specific token. vault token capabilities checks capabilities on a path, not policy attachment. The token lookup command, per Vault docs, is the correct tool for inspecting token metadata like policies.
References:
Token Lookup Docs
Token Concepts
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Question 29

Your organization has many applications needing heavy read access to Vault. As these applications integrate with Vault, the primary Vault cluster's performance is negatively impacted. What feature can you use to scale the cluster and improve performance?

Correct Answer: D
Comprehensive and Detailed In-Depth Explanation:
To address performance issues from heavy read access, Vault Enterprise offersperformancestandby nodes:
* D. Add performance standby nodes: These nodes handle read-only requests locally, offloading the primary cluster. "Vault Enterprise offers additional features that allow HA nodes to service read-only requests on the local standby node," improving scalability and performance.
* Incorrect Options:
* A. Additional Standby Nodes: Standard HA standby nodes focus on failover, not read scaling.
"May help with high availability, but not directly address performance."
* B. Multiple Secrets Engines: Organizes secrets but doesn't scale read performance. "Does not directly address performance issues."
* C. Control Groups: A resource management feature, not for scaling Vault. "Not directly related to scaling the Vault cluster." Performance standby nodes distribute read workloads effectively in Vault Enterprise.
Reference:https://developer.hashicorp.com/vault/docs/enterprise/performance-standby
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Question 30

You are performing a high number of authentications in a short amount of time. You're experiencing slow throughput for token generation. How would you solve this problem?

Correct Answer: B
Batch tokens are a type of tokens that are not persisted in Vault's storage backend, but are encrypted blobs that carry enough information to perform Vault actions. Batch tokens are extremely lightweight and scalable, and can improve the throughput for token generation. Batch tokens are suitable for high-volume and ephemeral workloads, such as containers or serverless functions, that require short-lived and non-renewable tokens. Batch tokens canbe created by using the -type=batch flag in the vault token create command, or by configuring the token_type parameter in the auth method's role or mount options. Batch tokens have some limitations compared to service tokens, such as the lack of renewal, revocation, listing, accessor, and cubbyhole features. Therefore, batch tokens should be used with caution and only when the trade-offs are acceptable. References: https://developer.hashicorp.com/vault/tutorials/tokens/batch-tokens1,
https://developer.hashicorp.com/vault/docs/commands/token/create2, https://developer.hashicorp.com/vault
/docs/concepts/tokens#token-types3
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