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| Certification Vendor: | HashiCorp |
|---|---|
| Exam Name: | HashiCorp Certified: Vault Associate (003) |
| Exam Number: | HCVA0-003 |
| Exam Duration: | 60 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Related Certifications: | HashiCorp Certified: Vault Associate |
| Available Languages: | English |
| Real Exam Qty: | 57 |
| Exam Price: | USD 70.50 |
| Passing Score: | 72% |
| Certificate Validity Period: | 2 years |
| Sample Questions: | HashiCorp HCVA0-003 Sample Questions |
| Exam Way: | Online proctored exam |
| Pre Condition: | Recommended: Basic understanding of Vault concepts and workflows |
| Official Syllabus URL: | https://www.hashicorp.com/certification/vault-associate |
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質問 # 321
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 " ] }
正解：C
解説：
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.
質問 # 322
Thomas has authenticated to Vault using the API and has received the following response. What data must Thomas parse from the response in order to continue making requests to Vault?
text
CollapseWrapCopy
{
"request_id": "65897160-fd8b-1f87-c24e-fdba14c9728e",
"lease_id": "",
"renewable": false,
"lease_duration": 0,
"data": null,
"wrap_info": null,
"warnings": null,
"auth": {
"client_token": "hvss.lzrmRe5Y3LMcDRmOttEjWoagd92fD29fxakwej_38djs",
"accessor": "EMX0nv4nr0Y1wXoaN7i0WDW1",
"policies": ["bryan", "default"],
"token_policies": ["bryan", "default"],
"metadata": {"username": "bryan"},
"lease_duration": 2764800,
"renewable": true,
"entity_id": "40e203e8-818e-b6ad-4cb3-0befdbf9b598",
"token_type": "service",
"orphan": true
}
}
正解：C
解説：
Comprehensive and Detailed In-Depth Explanation:
To continue API requests:
* C. client_token: "When you authenticate to Vault using the API, the response will include the client_token, which is required for subsequent responses." This token, found at .auth.client_token, must be included in the X-Vault-Token header.
* Incorrect Options:
* A. accessor: Used for token management, not requests.
* B. request_id: Tracks the request, not for auth.
* D. entity_id: Identifies the entity, not for requests.
Reference:https://developer.hashicorp.com/vault/api-docs/auth/userpass#login
質問 # 323
Security requirements demand that no secrets appear in the shell history. Which command does not meet this requirement?
正解：B
解説：
The command that does not meet the security requirement of not having secrets appear in the shell history is B: vault kv put secret/password value-itsasecret. This command would store the secret value "itsasecret" in the key/value secrets engine at the path secret/password, but it would also expose the secret value in the shell history, which could be accessed by other users or malicious actors. This is not a secure way of storing secrets in Vault.
The other commands are more secure ways of storing secrets in Vault without revealing them in the shell history. A. generate-password | vault kv put secret/password value would use a pipe to pass the output of the generate-password command, which could be a script or a tool that generates a random password, to the vault kv put command, which would store the password in the key/value secrets engine at the path secret/password.
The password would not be visible in the shell history, only the commands. C. vault kv put secret/password value=@data.txt would use the @ syntax to read the secret value from a file named data.txt, which could be encrypted or protected by file permissions, and store it in the key/value secrets engine at the path secret
/password. The file name would be visible in the shell history, but not the secret value. D. vault kv put secret
/password value-SSECRET_VALUE would use the -S syntax to read the secret value from the environment variable SECRET_VALUE, which could be set and unset in the shell session, and store it inthe key/value secrets engine at the path secret/password. The environment variable name would be visible in the shell history, but not the secret value.
:
[Write Secrets | Vault | HashiCorp Developer]
質問 # 324
Which of the following statements are true about Vault policies? Choose two correct answers.
正解：A、E
解説：
Vault policies are written in HCL or JSON format and are attached to tokens or roles by name. Policies define the permissions and restrictions for accessing and performing operations on certain paths and secrets in Vault. Policies are deny by default, which means that an empty policy grants no permission in the system, and any request that is not explicitly allowed by a policy is implicitly denied1. Some of the features and benefits of Vault policies are:
* Policies are path-based, which means that they match the request path to a set of rules that specify the allowed or denied capabilities, such as create, read, update, delete, list, sudo, etc2.
* Policies are additive, which means that if a token or a role has multiple policies attached, the effective policy is the union of all the individual policies. The most permissive capability is granted if there is a conflict3.
* Policies can use glob patterns, such as * and +, to match multiple paths or segments with a single rule. For example, path "secret/*" matches any path starting with secret/, and path "secret/+/config" matches any path with two segments after secret/ and ending with config4.
* Policies can use templating to interpolate certain values into the rules, such as identity information, time, randomness, etc. For example, path "secret/{{identity.entity.id}}/*" matches any path starting with secret/ followed by the entity ID of the requester5.
* Policies can be managed by using the vault policy commands or the sys/policy API endpoints. You can write, read, list, and delete policies by using these interfaces6.
The default policy is a built-in policy that is attached to all tokens by default and cannot be deleted. However, the default policy can be modified by using the vault policy write command or the sys/policy API endpoint. The default policy provides common permissions for tokens, such as renewing themselves, looking up their own information, creating and managing response-wrapping tokens, etc7.
You do not have to use YAML to define policies, as Vault supports both HCL and JSON formats. HCL is a human-friendly configuration language that is also JSON compatible, which means that JSON can be used as a valid input for policies as well8.
Vault does not need to be restarted in order for a policy change to take effect, as policies are stored and evaluated in memory. Any change to a policy is immediately reflected in the system, and any token or role that has that policy attached will be affected by the change.: 1(https://developer.hashicorp.com/vault/docs/concepts/policies), 2(https://developer.hashicorp.com/vault
/docs/concepts/policies), 3(https://developer.hashicorp.com/vault/docs/concepts/policies), 4(https://developer.
hashicorp.com/vault/docs/concepts/policies), 5(https://developer.hashicorp.com/vault/docs/concepts
/policies), 6(https://developer.hashicorp.com/vault/docs/commands/lease), 7(https://developer.hashicorp.com
/vault/docs/concepts/policies), 8(https://developer.hashicorp.com/vault/docs/concepts/policies), (https://developer.hashicorp.com/vault/docs/concepts/policies#policy-updates)
質問 # 325
Which of the following are valid types of tokens available in Vault? (Select five)
正解：A、B、C、D、E
解説：
Comprehensive and Detailed In-Depth Explanation:
Vault supports several token types, each with distinct characteristics:
* B. Batch token: "Batch tokens are encrypted binary large objects (blobs) that carry just enough information for authentication." They are lightweight and non-renewable.
* C. Orphan service token: "Orphan tokens are not children of their parent; therefore, do not expire when their parent does." A valid subtype of service tokens.
* D. Service token: "Service token is the general token that most people talk about when referring to a token in Vault." The standard token type.
* E. Root token: "Root tokens are the most powerful tokens in Vault and have full control." Created during initialization.
* F. Periodic service token: "Periodic service tokens have a TTL, but no max TTL," renewing automatically for long-running tasks.
* Incorrect Option:
* A. Primary token: "Not a valid token type in Vault." No such term exists in Vault's documentation.
These token types cater to various use cases, from ephemeral to privileged access.
Reference:https://developer.hashicorp.com/vault/docs/concepts/tokens
質問 # 326
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