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NEW QUESTION # 141
Your organization uses a CI/CD pipeline to deploy its applications on Azure. During testing, you generate new credentials to validate Vault can create new credentials. The result of this command is below:
text
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$ vault read azure/creds/bryan-krausen
Key Value
--- -----
lease_id azure/creds/bryan-krausen/9eed0373-ca92-99b6-b914-779b7bb0e1d9 lease_duration 60m lease_renewable true client_id 532bf678-ee4e-6be1-116b-4e4221e445dd client_secret be60395b-4e6b-2b7e-a4b3-c449a5c00973 What commands can be used to revoke this secret after you have finished testing? (Select three)
Answer: A,C,E
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Dynamic credentials are tracked by leases, revocable via vault lease revoke. The Vault documentation states:
"The vault lease revoke command is used to revoke a lease/secret created by a Vault secrets engine. Each lease that is created is tracked using a unique lease ID, which can be used to renew or revoke a lease.
* You can revoke an individual lease using the command vault lease revoke <lease_id>
* You can also revoke ALL leases from a secrets engine using the -prefix flag, such as vault lease revoke - prefix azure/
* You can also revoke leases created from a specific role by using the -prefix flag but specifying the path all the way to the role like this: vault lease revoke -prefix azure/creds/<role_name>"-Vault Commands: lease revoke
* B: Correct. vault lease revoke -prefix azure/ revokes all leases under azure/.
* C: Correct. vault lease revoke azure/creds/bryan-krausen/9eed0373-ca92-99b6-b914-779b7bb0e1d9 targets the specific lease ID.
* E: Correct. vault lease revoke -prefix azure/creds/bryan-krausen revokes all leases for that role.
* A: Incorrect; lacks the -prefix flag, making it invalid syntax.
* D: Incorrect; lacks the -prefix flag and isn't a full lease ID.
References:
Vault Commands: lease revoke
NEW QUESTION # 142
True or False? To prepare for day-to-day operations, the root token should be safely saved outside of Vault in order to administer Vault.
Answer: A
Explanation:
Comprehensive and Detailed in Depth Explanation:
The statement isFalse. Saving the root token outside of Vault for day-to-day operations is not a recommended practice and contradicts Vault's security principles. The HashiCorp Vault documentation explicitly states:
"For day-to-day operations, the root token should be revoked after configuring other auth methods, which admins and Vault clients will use." This is because the root token has unrestricted access to all Vault operations, posing a significant security risk if stored externally and used routinely. Instead, Vault encourages the use of less-privileged tokens or alternative authentication methods post-initialization.
The documentation further elaborates under the "Root Tokens" section: "Root tokens are tokens with an infinite TTL that have the 'root' policy attached to them. Because of their power, it is strongly recommended that they be used only as necessary and then immediately revoked when no longer needed." Storing the root token outside Vault increases the risk of compromise, and Vault's design assumes it is used sparingly- typically only during initial setup-and then replaced with more secure, limited-privilege mechanisms. Thus, the correct operational approach is to revoke the root token after setup, not save it externally, making B (False) the correct answer.
Reference:
HashiCorp Vault Documentation - Tokens: Root Tokens
NEW QUESTION # 143
You have multiple Vault clusters in your environment, one for test and one for production. You have the CLI installed on your local machine and need to target the production cluster to make configuration changes. What environment variable can you set to target the production cluster?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
The VAULT_ADDR variable specifies the target Vault server. The Vault documentation states:
"VAULT_ADDR is the environment variable that is used to specify the address of the Vault server expressed as a URL and port, for example: https://vault.bryankrausen.com:8200/. You can easily modify the value of the environment variable whenever you want to target a different Vault node/cluster."
-Vault Environment Variables
* C: Correct. Sets the production cluster address:
"Setting the VAULT_ADDR environment variable allows you to specify the address of the Vault server you want to target."
-Vault Environment Variables
* A,B,D: Incorrect; unrelated to CLI targeting.
References:
Vault Environment Variables
NEW QUESTION # 144
You have a legacy application that requires secrets from Vault that must be written to a local configuration file. However, you cannot refactor the application to communicate directly with Vault.What solution should you implement to satisfy the requirements?
Answer: D
Explanation:
Comprehensive and Detailed in Depth Explanation:
For a legacy application that cannot communicate directly with Vault but needs secrets in a local configuration file, theVault Agent with templating featureis the best solution. The HashiCorp Vault documentation notes: "Vault Agent can obtain secrets and provide them to applications," and its templating feature "generates dynamic credentials based on predefined templates" and writes them to files. This allows secrets to be automatically fetched and rendered into a configuration file, meeting the requirement without refactoring.
Vault Proxy with Auto-Authsimplifies authentication but doesn't inherently write secrets to files.Vault Proxy as an API proxysecures API access but doesn't address file writing.Vault Agent with caching improves performance but doesn't solve the file output need. Thus, A is correct.
Reference:
HashiCorp Vault Documentation - Vault Agent and Proxy
NEW QUESTION # 145
True or False? All Vault policies are deny by default.
Answer: A
Explanation:
Comprehensive and Detailed in Depth Explanation:
The statement isTrue. Vault operates on a default-deny model for policies. The HashiCorp Vault documentation states: "Vault policies implicitly deny all actions that are not explicitly permitted in the Vault policy." This ensures that access must be explicitly granted, enhancing security.
The docs elaborate: "By default, a token has no policies attached beyond the default policy (which grants minimal permissions), and any action not explicitly allowed by an attached policy is denied." This principle underpins Vault's access control, making A correct.
Reference:
HashiCorp Vault Documentation - Policies Tutorial
NEW QUESTION # 146
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