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NEW QUESTION # 183
What is required to seal Vault?
Answer: A
Explanation:
Sealing Vault is an administrative operation performed against the /sys/seal endpoint or by using the equivalent operator command. It does not require Shamir unseal keys, because those are used to unseal Vault, not to seal it. It also does not require the root key to be manually supplied. A quorum or threshold of key holders is needed for unsealing in Shamir mode, but sealing is a different action. The best answer is a single operator with sufficient root-level privilege, meaning a token with the root policy or the required sudo capability on the seal path. HashiCorp's /sys/seal API documentation states that sealing requires a token with the root policy or sudo capability on the path.
NEW QUESTION # 184
The Key/Value (KV) secrets engine is an example of a dynamic secrets engine.
Answer: B
Explanation:
The Key/Value secrets engine is a static secrets engine, not a dynamic one. KV stores arbitrary secret values in Vault's configured storage backend and returns those stored values when requested. KV version 1 stores the latest value for a key, while KV version 2 adds versioning, metadata, soft delete, undelete, and destroy behavior. Dynamic secrets are different: they are generated on demand, usually have leases, and can be automatically revoked when their TTL expires. Examples include database credentials, cloud credentials, and similar generated secrets. Because KV stores existing values rather than generating new credentials dynamically from an external system, it is not a dynamic secrets engine. HashiCorp describes KV as a generic key-value store used to store arbitrary secrets.
NEW QUESTION # 185
What API endpoint is used to manage secrets engines in Vault?
Answer: B
Explanation:
Comprehensive and Detailed in Depth Explanation:
Vault's API provides endpoints for managing its components, including secrets engines, which generate and manage secrets (e.g., AWS, KV, Transit). Managing secrets engines involves enabling, disabling, tuning, or listing them. Let's evaluate:
* Option A: /secret-engines/ This is not a valid Vault API endpoint. Vault uses /sys/ for system-level operations, and no endpoint named /secret-engines/ exists in the official API documentation. It's a fabricated path, possibly a misunderstanding of secrets engine management. Incorrect.
* Option B: /sys/mounts This is the correct endpoint. The /sys/mounts endpoint allows operators to list all mounted secrets engines (GET), enable a new one (POST to /sys/mounts/ < path > ), or tune existing ones (POST to /sys/mounts/ < path > /tune). For example, enabling the AWS secrets engine at aws/ uses POST /v1/sys/mounts/aws with a payload specifying the type (aws). This endpoint is the central hub for secrets engine management. Correct.
* Option C: /sys/capabilities The /sys/capabilities endpoint checks permissions for a token on specific paths (e.g., what capabilities like read or write are allowed). It's unrelated to managing secrets engines-it's for policy auditing, not mount operations. Incorrect.
* Option D: /sys/kv There's no /sys/kv endpoint. The KV secrets engine, when enabled, lives at a user- defined path (e.g., kv/), not under /sys/. System endpoints under /sys/ handle configuration, not specific secrets engine instances. Incorrect.
Detailed Mechanics:
The /sys/mounts endpoint interacts with Vault's mount table, a registry of all enabled backends (auth methods and secrets engines). A GET request to /v1/sys/mounts returns a JSON list of mounts, e.g., { " kv/ " : { " type
" : " kv " , " options " : { " version " : " 2 " }}}. A POST request to /v1/sys/mounts/my-mount with { " type " :
" kv " } mounts a new KV engine. Tuning (e.g., setting TTLs) uses /sys/mounts/ < path > /tune. This endpoint' s versatility makes it the go-to for secrets engine management.
Real-World Example:
To enable the Transit engine: curl -X POST -H " X-Vault-Token: < token > " -d ' { " type " : " transit " } '
http://127.0.0.1:8200/v1/sys/mounts/transit. To list mounts: curl -X GET -H
" X-Vault-Token: < token > "
http://127.0.0.1:8200/v1/sys/mounts.
Overall Explanation from Vault Docs:
"The /sys/mounts endpoint is used to manage secrets engines in Vault... List, enable, or tune mounts via this system endpoint." Reference: https://developer.hashicorp.com/vault/api-docs/system/mounts
NEW QUESTION # 186
Tommy has written an AWS Lambda function that will perform certain tasks for the organization when data has been uploaded to an S3 bucket. Security policies for the organization do not allow Tommy to hardcode any type of credential within the Lambda code or environment variables. However, Tommy needs to retrieve a credential from Vault to write data to an on-premises database. What auth method should Tommy use in Vault to meet the requirements while not violating security policies?
Answer: A
Explanation:
Comprehensive and Detailed in Depth Explanation:
* A:AWS auth uses IAM roles, avoiding hardcoded credentials. Correct for Lambda.
* B:Userpass requires username/password, violating policy. Incorrect.
* C:Token requires a pre-generated token, often hardcoded. Incorrect.
* D:AppRole needs RoleID/SecretID, typically hardcoded. Incorrect.
Overall Explanation from Vault Docs:
"The AWS auth method provides an automated mechanism to retrieve a Vault token for IAM principals... no manual credential provisioning required." Reference:https://developer.hashicorp.com/vault/docs/auth/aws#aws-auth-method
NEW QUESTION # 187
There are three Vault policies displayed in the exhibit.
What do these policies allow the organization to do?
Exhibit:
app.hcl
path " transit/encrypt/my_app_key " { capabilities = [ " update " ] }
callcenter.hcl
path " transit/decrypt/my_app_key " { capabilities = [ " update " ] }
rewrap.hcl
path " transit/keys/my_app_key " { capabilities = [ " read " ] }
path " transit/rewrap/my_app_key " { capabilities = [ " update " ] }
Answer: B
Explanation:
These three policies separate Transit engine duties by endpoint. The app.hcl policy allows use of transit
/encrypt/my_app_key, so an application can encrypt data. The callcenter.hcl policy allows transit/decrypt
/my_app_key, so a different group can decrypt data. The rewrap.hcl policy allows reading key metadata and using the rewrap endpoint, so encrypted data can be upgraded after key rotation without exposing plaintext.
This is not one combined policy; it is a separation-of-duties design. It also does not create a Transit key, because key creation would require access to the appropriate key-management endpoint, not just encrypt, decrypt, read, and rewrap paths. HashiCorp documents Transit as cryptography as a service and confirms that policies can restrict specific Transit operations by endpoint.
NEW QUESTION # 188
......
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