Latest Jan 14, 2024 Real Vault-Associate Exam Dumps Questions Valid Vault-Associate Dumps PDF
HashiCorp Vault-Associate Exam Dumps - PDF Questions and Testing Engine
HashiCorp Vault-Associate Exam Syllabus Topics:
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NEW QUESTION # 27
Vault supports which type of configuration for source limited token?
- A. Certificate-bound tokens
- B. CIDR-bound tokens
- C. Cloud-bound tokens
- D. Domain-bound tokens
Answer: B
Explanation:
Vault supports CIDR-bound tokens, which are tokens that can only be used from a specific set of IP addresses or network ranges. This is a way to limit the scope and exposure of a token in case it is compromised or leaked. CIDR-bound tokens can be created by specifying the bound_cidr_list parameter when creating or updating a token role, or by using the -bound-cidr option when creating a token using the vault token create command. CIDR-bound tokens can also be created by some auth methods, such as AWS or Kubernetes, that can automatically bind the tokens to the source IP or network of the client. Reference: Token - Auth Methods | Vault | HashiCorp Developer, vault token create - Command | Vault | HashiCorp Developer
NEW QUESTION # 28
You have been tasked with writing a policy that will allow read permissions for all secrets at path secret/bar. The users that are assigned this policy should also be able to list the secrets. What should this policy look like?
- A.
- B.
- C.
- D.
Answer: A
Explanation:
This policy would allow read permissions for all secrets at path secret/bar, as well as list permissions for the secret/bar/ path. The list permission is required to be able to see the names of the secrets under a given path1. The wildcard () character matches any number of characters within a single path segment, while the slash (/) character matches the end of the path2. Therefore, the policy would grant read access to any secret that starts with secret/bar/, such as secret/bar/foo or secret/bar/baz, but not to secret/bar itself. To grant list access to secret/bar, the policy needs to specify the exact path with a slash at the end. This policy follows the principle of least privilege, which means that it only grants the minimum permissions necessary for the users to perform their tasks3.
The other options are not correct because they either grant too much or too little permissions. Option A would grant both read and list permissions to all secrets under secret/bar, which is more than what is required. Option B would grant list permissions to all secrets under secret/bar, but only read permissions to secret/bar itself, which is not what is required. Option D would use an invalid character (+) in the policy, which would cause an error.
Reference:
Policy Syntax | Vault | HashiCorp Developer
Policy Syntax | Vault | HashiCorp Developer
Policies | Vault | HashiCorp Developer
NEW QUESTION # 29
Which of the following describes the Vault's auth method component?
- A. It verifies a client against an internal or external system, and generates a token with the appropriate policies attached
- B. It dynamically generates a unique set of secrets with appropriate permissions attached
- C. It is responsible for durable storage of client tokens
- D. It verifies a client against an internal or external system, and generates a token with root policy
Answer: A
Explanation:
The Vault's auth method component is the component that performs authentication and assigns identity and policies to a client. It verifies a client against an internal or external system, and generates a token with the appropriate policies attached. The token can then be used to access the secrets and resources that are authorized by the policies. Vault supports various auth methods, such as userpass, ldap, aws, kubernetes, etc., that can integrate with different identity providers and systems. The auth method component can also handle token renewal and revocation, as well as identity grouping and aliasing. Reference: Auth Methods | Vault | HashiCorp Developer, Authentication - Concepts | Vault | HashiCorp Developer
NEW QUESTION # 30
What command creates a secret with the key "my-password" and the value "53cr3t" at path "my-secrets" within the KV secrets engine mounted at "secret"?
- A. vault kv put secret/my-secrets/my-password-53cr3t
- B. vault kv put secret/my-secrets/my-password 53cr3t
- C. vault kv write 53cr3t my-secrets/my-password
- D. vault kv write secret/my-secrets/my-password 53cr3t
Answer: B
Explanation:
The vault kv put command writes the data to the given path in the K/V secrets engine. The command requires the mount path of the K/V secrets engine, the secret path, and the key-value pair to store. The mount path can be specified with the -mount flag or as part of the secret path. The key-value pair can be given as an argument or read from a file or stdin. The correct syntax for the command is:
vault kv put -mount=secret my-secrets/my-password 53cr3t
or
vault kv put secret/my-secrets my-password=53cr3t
The other options are incorrect because they use the deprecated vault kv write command, or they have the wrong order or format of the arguments. Reference: https://developer.hashicorp.com/vault/docs/commands/kv/put3, https://developer.hashicorp.com/vault/docs/commands/kv4
NEW QUESTION # 31
Which of the following vault lease operations uses a lease _ id as an argument? Choose two correct answers.
- A. describe
- B. revoke -prefix
- C. create
- D. revoke
- E. renew
Answer: D,E
Explanation:
The vault lease operations that use a lease_id as an argument are renew and revoke. The renew operation allows a client to extend the validity of a lease associated with a secret or a token. The revoke operation allows a client to terminate a lease immediately and invalidate the secret or the token. Both operations require a lease_id as an argument to identify the lease to be renewed or revoked. The lease_id can be obtained from the response of reading a secret or creating a token, or from the vault lease list command. The other operations, revoke-prefix, create, and describe, do not use a lease_id as an argument. The revoke-prefix operation allows a client to revoke all secrets or tokens generated under a given prefix. The create operation allows a client to create a new lease for a secret. The describe operation allows a client to view information about a lease, such as its TTL, policies, and metadata. Reference: Lease, Renew, and Revoke | Vault | HashiCorp Developer, vault lease - Command | Vault | HashiCorp Developer
NEW QUESTION # 32
How many Shamir's key shares are required to unseal a Vault instance?
- A. The threshold number of key shares
- B. All key shares
- C. One or more keys
- D. A quorum of key shares
Answer: A
Explanation:
Shamir's Secret Sharing is a cryptographic algorithm that allows a secret to be split into multiple parts, called key shares, such that a certain number of key shares are required to reconstruct the secret. The number of key shares and the threshold number are configurable parameters that depend on the desired level of security and availability. Vault uses Shamir's Secret Sharing to protect its master key, which is used to encrypt and decrypt the data encryption key that secures the Vault data. When Vault is initialized, it generates a master key and splits it into a configured number of key shares, which are then distributed to trusted operators. To unseal Vault, the threshold number of key shares must be provided to reconstruct the master key and decrypt the data encryption key. This process ensures that no single operator can access the Vault data without the cooperation of other key holders. Reference: https://developer.hashicorp.com/vault/docs/concepts/seal4, https://developer.hashicorp.com/vault/docs/commands/operator/init5, https://developer.hashicorp.com/vault/docs/commands/operator/unseal6
NEW QUESTION # 33
An authentication method should be selected for a use case based on:
- A. The cloud provider for which the client is located on
- B. The strongest available cryptographic hash for the use case
- C. Compatibility with the secret engine which is to be used
- D. The auth method that best establishes the identity of the client
Answer: D
Explanation:
An authentication method should be selected for a use case based on the auth method that best establishes the identity of the client. The identity of the client is the basis for assigning a set of policies and permissions to the client in Vault. Different auth methods have different ways of verifying the identity of the client, such as using passwords, tokens, certificates, cloud credentials, etc. Depending on the use case, some auth methods may be more suitable or convenient than others. For example, for human users, the userpass or ldap auth methods may be easy to use, while for machines or applications, the approle or aws auth methods may be more secure and scalable. The choice of the auth method should also consider the trade-offs between security, performance, and usability. Reference: Auth Methods | Vault | HashiCorp Developer, Authentication - Concepts | Vault | HashiCorp Developer
NEW QUESTION # 34
Where do you define the Namespace to log into using the Vault Ul?
To answer this question
Use your mouse to click on the screenshot in the location described above. An arrow indicator will mark where you have clicked. Click the "Answer" button once you have positioned the arrow to answer the question. You may need to scroll down to see the entire screenshot.
Answer:
Explanation:
NEW QUESTION # 35
What are orphan tokens?
- A. Orphan tokens are tokens with no policies attached
- B. Orphan tokens do not expire when their own max TTL is reached
- C. Orphan tokens are tokens with a use limit so you can set the number of uses when you create them
- D. Orphan tokens are not children of their parent; therefore, orphan tokens do not expire when their parent does
Answer: B
Explanation:
Orphan tokens are tokens that are root of their own token tree. This means that they do not have any parent token associated with them, and they do not expire when their parent token expires. Orphan tokens are useful for scenarios where you need a short-lived and independent token, such as for testing or debugging purposes. Orphan tokens can also be used to create temporary access tokens for applications or services that need to communicate with Vault without using a long-lived root token. Reference: Tokens | Vault | HashiCorp Developer, Vault cli: how to create orphan token with role - HashiCorp Discuss
NEW QUESTION # 36
What is a benefit of response wrapping?
- A. Ensure that only a single party can ever unwrap the token and see what's inside
- B. Load balanc secret generation across a Vault cluster
- C. Provide error recovery to a secret so it is not corrupted in transit
- D. Log every use of a secret
Answer: A
Explanation:
Response wrapping is a feature that allows Vault to take the response it would have sent to a client and instead insert it into the cubbyhole of a single-use token, returning that token instead. The client can then unwrap the token and retrieve the original response. Response wrapping has several benefits, such as providing cover, malfeasance detection, and lifetime limitation for the secret data. One of the benefits is to ensure that only a single party can ever unwrap the token and see what's inside, as the token can be used only once and cannot be unwrapped by anyone else, even the root user or the creator of the token. This provides a way to securely distribute secrets to the intended recipients and detect any tampering or interception along the way5.
The other options are not benefits of response wrapping:
Log every use of a secret: Response wrapping does not log every use of a secret, as the secret is not directly exposed to the client or the network. However, Vault does log the creation and deletion of the response-wrapping token, and the client can use the audit device to log the unwrapping operation6.
Load balance secret generation across a Vault cluster: Response wrapping does not load balance secret generation across a Vault cluster, as the secret is generated by the Vault server that receives the request and the response-wrapping token is bound to that server. However, Vault does support high availability and replication modes that can distribute the load and improve the performance of the cluster7.
Provide error recovery to a secret so it is not corrupted in transit: Response wrapping does not provide error recovery to a secret so it is not corrupted in transit, as the secret is encrypted and stored in the cubbyhole of the token and cannot be modified or corrupted by anyone. However, if the token is lost or expired, the secret cannot be recovered either, so the client should have a backup or retry mechanism to handle such cases.
NEW QUESTION # 37
When looking at Vault token details, which key helps you find the paths the token is able to access?
- A. Path
- B. Meta
- C. Policies
- D. Accessor
Answer: C
Explanation:
When looking at Vault token details, the policies key helps you find the paths the token is able to access. Policies are a declarative way to grant or forbid access to certain paths and operations in Vault. Policies are written in HCL or JSON and are attached to tokens by name. Policies are deny by default, so an empty policy grants no permission in the system. A token can have one or more policies associated with it, and the effective policy is the union of all the individual policies. You can view the token details by using the vault token lookup command or the auth/token/lookup API endpoint. The output will show the policies key with a list of policy names that are attached to the token. You can also view the contents of a policy by using the vault policy read command or the sys/policy API endpoint. The output will show the rules key with the HCL or JSON representation of the policy. The rules will specify the paths and the capabilities (such as create, read, update, delete, list, etc.) that the policy allows or denies. Reference: https://developer.hashicorp.com/vault/docs/concepts/policies4, https://developer.hashicorp.com/vault/docs/commands/token/lookup5, https://developer.hashicorp.com/vault/api-docs/auth/token#lookup-a-token6, https://developer.hashicorp.com/vault/docs/commands/policy/read7, https://developer.hashicorp.com/vault/api-docs/system/policy8
NEW QUESTION # 38
What environment variable overrides the CLI's default Vault server address?
- A. VAULT _HTTPS_ ADDRESS
- B. VAULT_HTTP_ADORESS
- C. VAULT_ADDR
- D. VAULT_ADDRESS
Answer: B
Explanation:
The environment variable VAULT_ADDR overrides the CLI's default Vault server address. The VAULT_ADDR environment variable specifies the address of the Vault server that is used to communicate with Vault from other applications or processes. By setting this variable, you can avoid hard-coding the Vault server address in your code or configuration files, and you can also use different addresses for different environments or scenarios. For example, you can use a local development server for testing purposes, and a production server for deploying your application. Reference: Commands (CLI) | Vault | HashiCorp Developer, Vault Agent - secrets as environment variables | Vault | HashiCorp Developer
NEW QUESTION # 39
Which of the following statements describe the secrets engine in Vault? Choose three correct answers.
- A. You can build your own custom secrets engine
- B. Once enabled, you cannot disable the secrets engine
- C. A secrets engine cannot be enabled at multiple paths
- D. Each secrets engine is isolated to its path
- E. Some secrets engines simply store and read data
Answer: A,D,E
Explanation:
Secrets engines are components that store, generate, or encrypt data in Vault. They are enabled at a specific path in Vault and have their own API and configuration. Some of the statements that describe the secrets engines in Vault are:
Some secrets engines simply store and read data, such as the key/value secrets engine, which acts like an encrypted Redis or Memcached. Other secrets engines perform more complex operations, such as generating dynamic credentials, encrypting data, issuing certificates, etc1.
You can build your own custom secrets engine by using the plugin system, which allows you to write and run your own secrets engine as a separate process that communicates with Vault over gRPC. You can also use the SDK to create your own secrets engine in Go and compile it into Vault2.
Each secrets engine is isolated to its path, which means that the secrets engine cannot access or interact with other secrets engines or data outside its path. The path where the secrets engine is enabled can be customized and can have multiple segments. For example, you can enable the AWS secrets engine at aws/ or aws/prod/ or aws/dev/3.
The statements that are not true about the secrets engines in Vault are:
You can disable an existing secrets engine by using the vault secrets disable command or the sys/mounts API endpoint. When a secrets engine is disabled, all of its secrets are revoked and all of its data is deleted from the storage backend4.
A secrets engine can be enabled at multiple paths, with a few exceptions, such as the system and identity secrets engines. Each secrets engine enabled at a different path is independent and isolated from others. For example, you can enable the KV secrets engine at kv/ and secret/ and they will not share any data3.
NEW QUESTION # 40
The following three policies exist in Vault. What do these policies allow an organization to do?
- A. Separates permissions allowed on actions associated with the transit secret engine
- B. Encrypt, decrypt, and rewrap data using the transit engine all in one policy
- C. Create a transit encryption key for encrypting, decrypting, and rewrapping encrypted data
- D. Nothing, as the minimum permissions to perform useful tasks are not present
Answer: B
Explanation:
The three policies that exist in Vault are:
admins: This policy grants full access to all secrets and operations in Vault. It can be used by administrators or operators who need to manage all aspects of Vault.
default: This policy grants access to all secrets and operations in Vault except for those that require specific policies. It can be used as a fallback policy when no other policy matches.
transit: This policy grants access only to the transit secrets engine, which handles cryptographic functions on data in-transit. It can be used by applications or services that need to encrypt or decrypt data using Vault.
These policies allow an organization to perform useful tasks such as:
Encrypting, decrypting, and rewrapping data using the transit engine all in one policy: This policy grants access to both the transit secrets engine and the default policy, which allows performing any operation on any secret in Vault.
Creating a transit encryption key for encrypting, decrypting, and rewrapping encrypted data: This policy grants access only to the transit secrets engine and its associated keys, which are used for encrypting and decrypting data in transit using AES-GCM with a 256-bit AES key or other supported key types.
Separating permissions allowed on actions associated with the transit secret engine: This policy grants access only to specific actions related to the transit secrets engine, such as creating keys or wrapping requests. It does not grant access to other operations or secrets in Vault.
NEW QUESTION # 41
Where does the Vault Agent store its cache?
- A. In a file encrypted using the Vault transit secret engine
- B. In the Vault key/value store
- C. In an unencrypted file
- D. In memory
Answer: D
Explanation:
The Vault Agent stores its cache in memory, which means that it does not persist the cached tokens and secrets to disk or any other storage backend. This makes the cache more secure and performant, as it avoids exposing the sensitive data to potential attackers or unauthorized access. However, this also means that the cache is volatile and will be lost if the agent process is terminated or restarted. To mitigate this, the agent can optionally use a persistent cache file to restore the tokens and leases from a previous agent process. The persistent cache file is encrypted using a key derived from the agent's auto-auth token and a nonce, and it is stored in a user-specified location on disk. Reference: Caching - Vault Agent | Vault | HashiCorp Developer, Vault Agent Persistent Caching | Vault | HashiCorp Developer
NEW QUESTION # 42
Which of the following statements are true about Vault policies? Choose two correct answers.
- A. Policies provide a declarative way to grant or forbid access to certain paths and operations in Vault
- B. You must use YAML to define policies
- C. Vault must be restarted in order for a policy change to take an effect
- D. The default policy can not be modified
- E. Policies deny by default (empty policy grants no permission)
Answer: A,E
Explanation:
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.
NEW QUESTION # 43
An organization would like to use a scheduler to track & revoke access granted to a job (by Vault) at completion. What auth-associated Vault object should be tracked to enable this behavior?
- A. Authentication method
- B. Lease ID
- C. Token ID
- D. Token accessor
Answer: B
Explanation:
A lease ID is a unique identifier that is assigned by Vault to every dynamic secret and service type authentication token. A lease ID contains information such as the secret path, the secret version, the secret type, etc. A lease ID can be used to track and revoke access granted to a job by Vault at completion, as it allows the scheduler to perform the following operations:
Lookup the lease information by using the vault lease lookup command or the sys/leases/lookup API endpoint. This will return the metadata of the lease, such as the expire time, the issue time, the renewable status, and the TTL.
Renew the lease if needed by using the vault lease renew command or the sys/leases/renew API endpoint. This will extend the validity of the secret or the token for a specified increment, or reset the TTL to the original value if no increment is given.
Revoke the lease when the job is completed by using the vault lease revoke command or the sys/leases/revoke API endpoint. This will invalidate the secret or the token immediately and prevent any further renewals. For example, with the AWS secrets engine, the access keys will be deleted from AWS the moment a lease is revoked.
A lease ID is different from a token ID or a token accessor. A token ID is the actual value of the token that is used to authenticate to Vault and perform requests. A token ID should be treated as a secret and protected from unauthorized access. A token accessor is a secondary identifier of the token that is used for token management without revealing the token ID. A token accessor can be used to lookup, renew, or revoke a token, but not to authenticate to Vault or access secrets. A token ID or a token accessor can be used to revoke the token itself, but not the leases associated with the token. To revoke the leases, a lease ID is required.
An authentication method is a way to verify the identity of a user or a machine and issue a token with appropriate policies and metadata. An authentication method is not an object that can be tracked or revoked, but a configuration that can be enabled, disabled, tuned, or customized by using the vault auth commands or the sys/auth API endpoints.
NEW QUESTION # 44
To make an authenticated request via the Vault HTTP API, which header would you use?
- A. The Content-Type HTTP Header
- B. The x-Vault-Request HTTP Header
- C. The X-Vault-Token HTTP Header
- D. The X-Vault-Namespace HTTP Header
Answer: C
Explanation:
To make an authenticated request via the Vault HTTP API, you need to use the X-Vault-Token HTTP Header or the Authorization HTTP Header using the Bearer <token> scheme. The token is a string that represents your identity and permissions in Vault. You can obtain a token by using an authentication method, such as userpass, approle, aws, etc. The token can also be a root token, which has unlimited access to Vault, or a wrapped token, which is a response-wrapping token that can be used to unwrap the actual token. The token must be sent with every request to Vault that requires authentication, except for the unauthenticated endpoints, such as sys/init, sys/seal-status, sys/unseal, etc. The token is used by Vault to verify your identity and enforce the policies that grant or deny access to various paths and operations. Reference: https://developer.hashicorp.com/vault/api-docs3, https://developer.hashicorp.com/vault/docs/concepts/tokens4, https://developer.hashicorp.com/vault/docs/concepts/auth5
NEW QUESTION # 45
Which of the following is a machine-oriented Vault authentication backend?
- A. Transit
- B. GitHub
- C. AppRole
- D. Okta
Answer: C
Explanation:
AppRole is a machine-oriented authentication method that allows machines or applications to authenticate with Vault using a role ID and a secret ID. The role ID is a unique identifier for the application, and the secret ID is a single-use credential that can be delivered to the application securely. AppRole is designed to provide secure introduction of machines and applications to Vault, and to support the principle of least privilege by allowing fine-grained access control policies to be attached to each role1.
Okta, GitHub, and Transit are not machine-oriented authentication methods. Okta and GitHub are user-oriented authentication methods that allow users to authenticate with Vault using their Okta or GitHub credentials23. Transit is not an authentication method at all, but a secrets engine that provides encryption as a service4.
Reference:
AppRole Auth Method | Vault | HashiCorp Developer
Okta Auth Method | Vault | HashiCorp Developer
GitHub Auth Method | Vault | HashiCorp Developer
Transit Secrets Engine | Vault | HashiCorp Developer
NEW QUESTION # 46
When an auth method is disabled all users authenticated via that method lose access.
- A. True
- B. False
Answer: A
Explanation:
The statement is true. When an auth method is disabled, all users authenticated via that method lose access. This is because the tokens issued by the auth method are automatically revoked when the auth method is disabled. This prevents the users from performing any operation in Vault using the revoked tokens. To regain access, the users have to authenticate again using a different auth method that is enabled and has the appropriate policies attached. Reference: Auth Methods | Vault | HashiCorp Developer, auth disable - Command | Vault | HashiCorp Developer
NEW QUESTION # 47
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