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NEW QUESTION # 53
Which of the following policies would permit a user to generate dynamic credentials on a database?
Answer: A
Explanation:
Comprehensive and Detailed in Depth Explanation:
The Database secrets engine generates dynamic credentials for database access. The endpoint database/creds
/<role> (e.g., read_only_role) provides these credentials via a read operation. Let's analyze:
* Option A: capabilities = ["generate"]There's no generate capability in Vault policies. Capabilities are create, read, update, delete, list, etc. This is invalid. Incorrect.
* Option B: capabilities = ["update"]update (PUT) modifies existing data, not generates credentials.
The creds endpoint uses GET. Incorrect.
* Option C: capabilities = ["list"]list retrieves metadata or paths, not credential data. Incorrect.
* Option D: capabilities = ["read"]Generating dynamic credentials involves a GET request to database
/creds/<role>, mapped to the read capability. This policy allows it. Correct.
Detailed Mechanics:
For a role read_only_role defined with vault write database/roles/read_only_role db_name=my-db creation_statements="CREATE USER...", a user with read on database/creds/read_only_role can run vault read database/creds/read_only_role to get temporary credentials. Vault's policy system aligns HTTP verbs to capabilities: GET = read, PUT = update. This counterintuitive mapping (GET for creation) is specific to dynamic secrets.
Overall Explanation from Vault Docs:
"Generating database credentials requires read capability on database/creds/<role>... Despite creating credentials, the HTTP request is a GET." Reference:https://developer.hashicorp.com/vault/tutorials/db-credentials/database-secrets
NEW QUESTION # 54
You are using Vault CLI and enable the database secrets engine on the default path of database/. However, the DevOps team wants to enable another database secrets engine for testing but receives an error stating the path is already in use. How can you enable a second database secrets engine using the CLI?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Vault mounts secrets engines at unique paths, and only one engine can occupy a given path (e.g., database/).
To enable a second database secrets engine, you must specify a different path using the -path flag: vault secrets enable -path=database2 database mounts a new instance at database2/. The type (database) defines the engine, and -path customizes its location, avoiding conflicts.
* A: Incorrect syntax; lacks -path and misplaces database2/.
* B: -force doesn't create a new path; it overwrites an existing engine, which isn't the goal.
* D: Omits -path and engine type, making it invalid.
The secrets engine tutorial confirms -path is required for multiple instances of the same engine type.
References:
Secrets Engines Tutorial
Secrets Enable Command
NEW QUESTION # 55
After issuing the command to delete a secret, you run a vault kv list command, but the path to the secret still seems to exist. What command would permanently delete the path from Vault?
Answer: C
Explanation:
Comprehensive and Detailed in Depth Explanation:
* A:Soft-deletes data, not metadata.Incorrect.
* B:Destroys a version, not the path. Incorrect.
* C:Deletes all metadata and versions, removing the path. Correct.
* D:Invalid syntax. Incorrect.
Overall Explanation from Vault Docs:
"kv metadata delete deletes all versions and metadata for the key, permanently removing it." Reference:https://developer.hashicorp.com/vault/docs/secrets/kv/kv-v2#key-metadata
NEW QUESTION # 56
Your organization is integrating its legacy application with Vault to improve its security. However, you have discovered that the application has issues when the token changes for authentication during testing. What type of token could be used to help alleviate this issue without compromising security?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Periodic Service Tokens allow renewal without changing the token, addressing the application's issue. The Vault documentation states:
"In some cases, having a token be revoked would be problematic -- for instance, if a long-running service needs to maintain its SQL connection pool over a long period of time. In this scenario, a periodic token can be used. The idea behind periodic tokens is that it is easy for systems and services to perform an action relatively frequently -- for instance, every two hours, or even every five minutes. Therefore, as long as a system is actively renewing this token -- in other words, as long as the system is alive -- the system is allowed to keep using the token and any associated leases."
-Vault Concepts: Tokens
* A: Correct. Periodic tokens maintain stability with renewal:
"A Periodic Service Token is a type of token in Vault that can be renewed periodically without the need for the application to re-authenticate every time the token changes."
-Vault Concepts: Tokens
* B: Root tokens are insecure for applications due to unlimited access:
"Root tokens should not be used for application authentication due to their high level of access and security risks."
-Vault Concepts: Tokens
* C: Orphan tokens don't support periodic renewal inherently.
* D: Batch tokens cannot be renewed:
"Batch tokens cannot be renewed."
-Vault Tutorials: Batch Tokens
References:
Vault Concepts: Tokens
NEW QUESTION # 57
What command is used to extend the TTL of a token, if permitted?
Answer: C
Explanation:
Comprehensive and Detailed in Depth Explanation:
To extend a token's TTL, the vault token renew command is used. The HashiCorp Vault documentation states: "In order to renew a token, a user can issue a vault token renew command to extend the TTL. The token can also be renewed using the API." It adds: "The vault token renew command extends the Time To Live (TTL) of a token if the policy associated with the token permits renewal." The docs detail: "Tokens have a TTL that determines their validity period. If renewable, the renewcommand can be used before expiration to extend this duration, subject to any max TTL limits."A (revoke)invalidates tokens.B (capabilities)shows permissions, not TTL.C (lookup)displays token info, not extends it. Thus, D is correct.
Reference:
HashiCorp Vault Documentation - Token Renew Command
NEW QUESTION # 58
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