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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 66

By default, what TCP port does Vault replication use?

Correct Answer: C
Comprehensive and Detailed in Depth Explanation:
Vault replication ensures data consistency across clusters, using a specific port:
* A: 8200- Default HTTP API port, not replication.
* B: 8300- Raft protocol port, not replication.
* C: 8201- Default replication port. Correct.
* D: 8301- Serf protocol port, not replication.
Overall Explanation from Vault Docs:
"Replication occurs on TCP port 8201 by default... distinct from the API (8200) and Raft (8300) ports." Reference: https://developer.hashicorp.com/vault/tutorials/day-one-raft/raft-reference-architecture#network-connectivity
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Question 67

Which statement describes the results of this command: $ vault secrets enable transit

Correct Answer: A
The command vault secrets enable transit enables the transit secrets engine at the transit path. The transit secrets engine is a secrets engine that handles cryptographic functions on data in-transit, such as encryption, decryption, signing, verification, hashing, and random bytes generation. The transit secrets engine does not store the data sent to it, but only performs the requested operations and returns the results. The transit secrets engine can also be viewed as "cryptography as a service" or "encryption as a service". The command vault secrets enable transit uses the default path of transit for the secrets engine, but this can be changed by using the -path option. For example, vault secrets enable -path=my-transit transit would enable the transit secrets engine at the my-transit path. References: Transit - Secrets Engines | Vault | HashiCorp Developer, vault secrets enable - Command | Vault | HashiCorp Developer
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Question 68

Without logging into another interface, what feature can Chad use to execute a simple CLI command to enable a new secrets engine?

Correct Answer: A
Comprehensive and Detailed in Depth Explanation:
The Vault UI includes a feature allowing CLI commands to be executed directly within the interface, known as the CLI emulation or REPL (Read-Eval-Print Loop) terminal. The HashiCorp Vault documentation states:
"The Vault GUI includes an advanced mode that uses a read-eval-print loop (REPL) terminal to mimic basic create/read/update/delete/list (CRUDL) commands for users who are more familiar with the Vault CLI than the GUI." This feature enables Chad to run a command like vault secrets enable <engine> without switching to a separate CLI, fulfilling the requirement.
The documentation under "Explore the Vault UI" adds: "This terminal allows users to execute Vault CLI commands directly from the web interface, enhancing usability for those accustomed to CLI workflows." Options like user information (B), client count details (C), and access management (D) do not provide CLI execution capabilities. Thus, A is correct.
Reference:
HashiCorp Vault Documentation - Getting Started UI: Explore the Vault UI
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Question 69

If Bobby is currently assigned the following policy, what additional policy can be added to ensure Bobby cannot access the data stored at secret/apps/confidential but still read all other secrets?
path "secret/apps/*" { capabilities = ["create", "read", "update", "delete", "list"] }

Correct Answer: A
Comprehensive and Detailed in Depth Explanation:
* A:Denies all access to secret/apps/confidential, overriding the original policy's permissions. Correct.
* B:Applies to all secret/*, overly restrictive and unclear with mixed capabilities. Incorrect.
* C:Denies all secret/apps/*, blocking more than required. Incorrect.
* D:Denies subpaths under confidential, not the path itself. Incorrect.
Overall Explanation from Vault Docs:
"A deny capability takes precedence over any allow... Use it to restrict specific paths." Reference:https://developer.hashicorp.com/vault/docs/concepts/policies#capabilities
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Question 70

Over a few years, you have a lot of data that has been encrypted by older versions of a Transit encryption key.
Due to compliance regulations, you have to re-encrypt the data using the newest version of the encryption key. What is the easiest way to complete this task without putting the data at risk?

Correct Answer: C
Comprehensive and Detailed In-Depth Explanation:
The Transit rewrap feature re-encrypts data safely. The Vault documentation states:
"Luckily, Vault provides an easy way of re-wrapping encrypted data when a key is rotated. Using the rewrap API endpoint, a non-privileged Vault entity can send data encrypted with an older version of the key to have it re-encrypted with the latest version. The application performing the re-wrapping never interacts with the decrypted data."
-Transit Rewrap Tutorial
* C: Correct. Rewrap avoids decryption risks:
"Using the transit rewrap feature in Vault allows you to re-encrypt the data without decrypting it first."
-Transit Rewrap Tutorial
* A: Rotation doesn't re-encrypt existing data.
* B: Manual decryption exposes data.
* D: Master key changes don't affect Transit data.
References:
Transit Rewrap Tutorial
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