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NEW QUESTION # 217
A security architect is designing a solution to address the "Secret Zero" problem for a Kubernetes-based application that needs to authenticate to HashiCorp Vault. Which approach correctly leverages Vault features to solve this challenge?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
The Kubernetes auth method addresses Secret Zero by using service account tokens. The Vault documentation states:
"The 'Secret Zero' problem refers to the bootstrapping challenge of how applications can authenticate to a secrets management system without requiring an initial secret. In a Kubernetes environment, the Kubernetes Auth Method in Vault allows applications to authenticate using their Kubernetes service account tokens, which are automatically provided to pods. The Vault server validates these tokens against the Kubernetes API server, establishing a chain of trust where applications can authenticate to Vault without pre-shared secrets."
-Vault Auth Methods
* C: Correct. Eliminates pre-shared secrets:
"Configuring the Kubernetes auth method in Vault allows applications running in Kubernetes to authenticate to Vault without the need for pre-shared secrets."
-Vault Auth: Kubernetes
* A,B: Introduce static secrets, worsening Secret Zero.
* D: Retains pre-shared secrets (role-id/secret-id).
References:
Vault Auth Methods
Vault Auth: Kubernetes
NEW QUESTION # 218
What is the Vault CLI command to query information about the token the client is currently using?
Answer: A
Explanation:
The Vault CLI command to query information about the token the client is currently using is vault token lookup. This command displays information about the token or accessor provided as an argument, or the locally authenticated token if no argument is given. The information includes the token ID, accessor, policies, TTL, creation time, and metadata. This command can be useful for debugging and auditing purposes, as well as for renewing or revoking tokens. References: token lookup - Command | Vault | HashiCorp Developer, Tokens | Vault | HashiCorp Developer
NEW QUESTION # 219
Which of the following auth methods are intended for machine-to-machine authentication, and not necessarily human (operator) authentication? (Select four)
Answer: A,D,E,F
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Machine-oriented methods:
* B, C, D, F: "Machine-oriented: AppRole, TLS, tokens, platform-specific methods (cloud, k8s)."
* Incorrect Options:
* A, E: "Operator-oriented: LDAP, Okta."
Reference:https://developer.hashicorp.com/vault/tutorials/get-started/why-use-vault#human-and-machine- authentication
NEW QUESTION # 220
An Active Directory admin created a service account for an internal application. You want to store these credentials in Vault, allowing a CI/CD pipeline to read and configure the application with them during provisioning. Vault should maintain the last 3 versions of this secret. Which Vault secrets engine should you use?
Answer: C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
The requirement is to store static credentials (from Active Directory) in Vault with versioning (last 3 versions) for a CI/CD pipeline. The KV v2 secrets engine is designed for this: it stores arbitrary key-value pairs and supports versioning, allowing configuration of a maximum version count (e.g., vault kv metadata put -max- versions=3 kv/path). KV v1 (option A) lacks versioning. The LDAPengine (B) is for dynamic LDAP credentials, not static storage. The Identity engine (C) manages identities, not secrets. KV v2's versioning capability meets all needs, per its documentation.
References:
KV v2 Docs
KV Versions Comparison
NEW QUESTION # 221
Mike's Cereal Shack uses Vault to encrypt customer data to ensure it is always stored securely. They are developing a new application integration to send new customer data to be encrypted using the following API request:
text
CollapseWrapCopy
$ curl
--header "X-Vault-Token: hvs.sf4vj1rFV5PvQSV3M9dcv832brxQFsfbXA"
--request POST
--data @data.json
https://vault.mcshack.com:8200/v1/transit/encrypt/customer-data
What would be contained within the data.json file?
Answer: B
Explanation:
Comprehensive and Detailed in Depth Explanation:
The data.json file in this API request contains the data to be encrypted by the Transit secrets engine. The HashiCorp Vault documentation states: "When executing any call to the Vault API, data can be sent using an external file as shown above. In this case, the contents of the file would be cleartext customer data that needs to be encrypted by the transit secrets engine." Specifically, for the /transit/encrypt/ endpoint, it explains: "The API expects a JSON payload with a plaintext field containing the base64-encoded data to encrypt." The documentation elaborates under "Encrypt Data": "The request body must include the plaintext parameter, which is the base64-encoded version of the data you want to encrypt. For example: {"plaintext": "base64- encoded-data"}." Here,D (Cleartext customer data to be encrypted)fits this requirement-customer data in cleartext, base64-encoded, sent for encryption.A (Transit config)is managed in Vault, not sent.B (Ciphertext) is the output, not input.C (Encryption key)is stored in Vault, not provided by the client. Thus, D is correct.
Reference:
HashiCorp Vault Documentation - Transit API: Encrypt Data
NEW QUESTION # 222
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