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HashiCorp HCVA0-003 Exam Syllabus Topics:

Topic
Details

Topic 1

Authentication Methods: This section of the exam measures the skills of Security Engineers and covers authentication mechanisms in Vault. It focuses on defining authentication methods, distinguishing between human and machine authentication, and selecting the appropriate method based on use cases. Candidates will learn about identities and groups, along with hands-on experience using Vault's API, CLI, and UI for authentication. The section also includes configuring authentication methods through different interfaces to ensure secure access.

Topic 2

Vault Deployment Architecture: This section of the exam measures the skills of Platform Engineers and focuses on deployment strategies for Vault. Candidates will learn about self-managed and HashiCorp-managed cluster strategies, the role of storage backends, and the application of Shamir secret sharing in the unsealing process. The section also covers disaster recovery and performance replication strategies to ensure high availability and resilience in Vault deployments.

Topic 3

Vault Tokens: This section of the exam measures the skills of IAM Administrators and covers the types and lifecycle of Vault tokens. Candidates will learn to differentiate between service and batch tokens, understand root tokens and their limited use cases, and explore token accessors for tracking authentication sessions. The section also explains token time-to-live settings, orphaned tokens, and how to create tokens based on operational requirements.

Topic 4

Vault Policies: This section of the exam measures the skills of Cloud Security Architects and covers the role of policies in Vault. Candidates will understand the importance of policies, including defining path-based policies and capabilities that control access. The section explains how to configure and apply policies using Vault’s CLI and UI, ensuring the implementation of secure access controls that align with organizational needs.

Topic 5

Vault Leases: This section of the exam measures the skills of DevOps Engineers and covers the lease mechanism in Vault. Candidates will understand the purpose of lease IDs, renewal strategies, and how to revoke leases effectively. This section is crucial for managing dynamic secrets efficiently, ensuring that temporary credentials are appropriately handled within secure environments.

Topic 6

Vault Architecture Fundamentals: This section of the exam measures the skills of Site Reliability Engineers and provides an overview of Vault's core encryption and security mechanisms. It covers how Vault encrypts data, the sealing and unsealing process, and configuring environment variables for managing Vault deployments efficiently. Understanding these concepts is essential for maintaining a secure Vault environment.

Topic 7

Encryption as a Service: This section of the exam measures the skills of Cryptography Specialists and focuses on Vault’s encryption capabilities. Candidates will learn how to encrypt and decrypt secrets using the transit secrets engine, as well as perform encryption key rotation. These concepts ensure secure data transmission and storage, protecting sensitive information from unauthorized access.

Topic 8

Secrets Engines: This section of the exam measures the skills of Cloud Infrastructure Engineers and covers different types of secret engines in Vault. Candidates will learn to choose an appropriate secrets engine based on the use case, differentiate between static and dynamic secrets, and explore the use of transit secrets for encryption. The section also introduces response wrapping and the importance of short-lived secrets for enhancing security. Hands-on tasks include enabling and accessing secrets engines using the CLI, API, and UI.

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HashiCorp Certified: Vault Associate (003)Exam Sample Questions (Q235-Q240):

NEW QUESTION # 235
What API endpoint is used to enable and configure a secrets engine?

A. /v1/sys/plugins/catalog
B. /v1/sys/config
C. /v1/sys/init
D. /v1/sys/mounts

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
The correct API endpoint for managing secrets engines is:
* B. /v1/sys/mounts: "The /sys/mounts endpoint is used to manage secrets engines in Vault." It enables and configures secrets engines by mounting them at specific paths, per the documentation.
* Incorrect Options:
* A. /v1/sys/init: For Vault initialization, not secrets engines. "Used for initializing the Vault server."
* C. /v1/sys/config: Manages system-wide settings, not engines. "Used for system-wide configurations."
* D. /v1/sys/plugins/catalog: Manages plugins, not engine mounting. "Related to managing plugins and their catalog." This endpoint is central to Vault's secrets engine lifecycle.
Reference:https://developer.hashicorp.com/vault/api-docs/system/mounts

NEW QUESTION # 236
Holly has discovered that a highly privileged dynamic credential with a very long lease time was created, which could negatively impact the organization's security. What command can Holly use to invalidate the credential so it can't be used without affecting other credentials?

A. Holly would need to delete the credential on the cloud platform directly
B. vault lease revoke -all
C. vault lease revoke aws/creds/admin/27e1b9a1-27b8-83d9-9fe0-d99d786bdc83
D. vault lease revoke aws/creds/admin/*

Answer: C

Explanation:
Comprehensive and Detailed in Depth Explanation:
To invalidate a specific dynamic credential without affecting others, Holly should use the vault lease revoke command with the exact lease ID. The HashiCorp Vault documentation states: "The lease revoke command revokes the lease on a secret, invalidating the underlying secret. To revoke a lease, you can specify the path and lease ID attached to the creds." The command vault lease revoke aws/creds/admin/27e1b9a1-27b8-83d9-
9fe0-d99d786bdc83 targets the specific credential by its unique lease ID, ensuring precision without broader impact.
Deleting the credential on the cloud platform (B) doesn't guarantee Vault recognizes it as revoked. vault lease revoke -all (C) revokes all leases, affecting unrelated credentials. vault lease revoke aws/creds/admin/* (D) revokes all leases under that path, potentially impacting other valid credentials. Thus, A is the correct command.
Reference:
HashiCorp Vault Documentation - Lease Revoke Command

NEW QUESTION # 237
What are the primary benefits of running Vault in a production deployment over dev server mode (select two)?

A. Encryption via TLS
B. Ability to enable auth methods
C. Faster deployment
D. Persistent storage

Answer: A,D

Explanation:
Comprehensive and Detailed in Depth Explanation:
* A:Dev mode is faster to deploy; incorrect.
* B:Production uses persistent storage vs. dev's in-memory. Correct.
* C:Auth methods work in both modes. Incorrect.
* D:Production enables TLS; dev uses plaintext. Correct.
Overall Explanation from Vault Docs:
"Dev server mode stores data in memory... Production mode supports persistent storage and TLS encryption." Reference:https://developer.hashicorp.com/vault/docs/concepts/dev-server

NEW QUESTION # 238
What header must be included in an API request in order to provide authentication validation?

A. X-Token-Vault
B. X-Vault-Token
C. X-Token-Creds
D. X-Vault-Creds

Answer: B

Explanation:
Comprehensive and Detailed In-Depth Explanation:
For Vault API authentication:
* B. X-Vault-Token: "The token for authentication is set directly as a header for the HTTP API. The header should be either X-Vault-Token: <token> or Authorization: Bearer <token>." This header carries the client token required to validate the request's authenticity and permissions.
* Incorrect Options:
* A. X-Token-Vault: Incorrect naming convention. "Does not follow the standard naming conventions."
* C. X-Token-Creds: Not recognized by Vault. "Does not align with standard authentication headers."
* D. X-Vault-Creds: Invalid for authentication. "Does not correspond to the standard mechanism." The X-Vault-Token header is critical for secure API interactions.
Reference:https://developer.hashicorp.com/vault/docs/auth/token#authentication

NEW QUESTION # 239
Beyond encryption and decryption of data, which of the following is not a function of the Transit secrets engine?

A. Generate hashes and HMACs of data
B. Act as a source of random bytes
C. Store the encrypted data securely in Vault for retrieval
D. Sign and verify data

Answer: C

Explanation:
Comprehensive and Detailed in Depth Explanation:
The Transit secrets engine focuses on cryptographic operations, not storage. The HashiCorp Vault documentation states: "The transit secrets engine handles cryptographic functions on data in-transit. Vault doesn't store the data sent to the secrets engine. It can also be viewed as 'cryptography as a service' or
'encryption as a service'. The transit secrets engine can also sign and verify data; generate hashes and HMACs of data; and act as a source of random bytes." It emphasizes: "Vault does not store the data sent to the secrets engine," makingstore the encrypted data (C) incorrect.Generate hashes/HMACs (A),sign/verify (B), andrandom bytes (D)are all supported functions.
Thus, C is correct.
Reference:
HashiCorp Vault Documentation - Transit Secrets Engine

NEW QUESTION # 240
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