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The Administrator has dropped a profile which was associated with a group of users.
What will happen when one of the users from the group logs on to the database?
When a profile is dropped, the users who were associated with that profile will no longer have the specific resource and configuration settings defined by that profile. Instead, the system-level default settings, such as those specified in DBC.SecurityDefaultsV, will apply to the users. This includes password attributes and other system-wide settings.
Option A (The default profile setting for the user will be reset to NULL) is not accurate, as the system will revert to the default settings rather than leaving values unset.
Option C (The system will show a warning message) does not typically occur when a profile is dropped. The system will manage the transition without user-facing warnings at login.
Option D (SPOOL and DEFAULT DATABASE specifications for the dropped profile will still apply to the user) is incorrect because once the profile is dropped, its settings no longer apply to the users who were associated with it.
Thus, the correct outcome is that system-level attributes defined in DBC.SecurityDefaultsV will govern the users' settings moving forward.
An Administrator needs to provide end users access to data in a Native Object Store using shared credentials.
How can this be accomplished?
In Teradata's Native Object Store, the AUTHORIZATION object stores shared credentials (such as an S3 IAM role, Azure SAS token, or other cloud storage credentials). By granting users access to this shared authorization object, the administrator can allow multiple users to access the object store using the same set of credentials. This simplifies credential management and ensures secure access to the external data source.
Option A (Define a FOREIGN TABLE with DEFINER TRUSTED security) refers to defining a foreign table with a specific security model but does not handle shared credentials directly.
Option B (Define a FUNCTION MAPPING with INVOKER TRUSTED security) relates to function mappings and security contexts for user-defined functions, not directly to shared credentials for accessing an object store.
Option C (Use an S3 IAM role or Azure SAS token rather than User and Password) is a part of how credentials might be managed, but it does not address the mechanism for sharing these credentials among users. The AUTHORIZATION object is the correct method for managing and sharing these credentials securely.
A middle-tier application server logs on to the database as TrustedUser and submits requests on behalf of application end users. The server is shared by Finance and Human Resources groups and uses ProxyUser query band to identify end users to the database. Each group needs access to its own sensitive data, so the Administrator has created two separate roles with the appropriate permissions.
What is the best way to control access to each group's sensitive data?
The GRANT CONNECT THROUGH statement allows the TrustedUser to act on behalf of multiple end users while securely connecting to the database. By granting both roles (Finance and Human Resources) in this statement, you allow the ProxyUser to switch between roles depending on the query band's ProxyRole value.
Using the ProxyRole query band, the application can specify which role (Finance or Human Resources) should be used for each specific request. This approach provides flexibility, as the application can dynamically assign the appropriate role to the user based on the query context.
Option A (Defining roles as external and using ProxyRole) wouldn't fully address the need to manage multiple roles dynamically for a shared server.
Option B (Granting both roles to TrustedUser) doesn't allow for flexible role switching on a per-request basis without the use of GRANT CONNECT THROUGH and could lead to over-granting of permissions.
Option C (Specifying a role for each end user in GRANT CONNECT THROUGH) isn't as flexible as allowing both roles to be used and dynamically selected through the query band.
Thus, Option D is the most appropriate solution, as it provides both security and flexibility, enabling the application to use the correct role based on the ProxyRole query band for each query submitted.
The Administrator has received a request to add SELECT rights on the BusinessViews database to end users, developers, and batch accounts in the accounting unit. The following roles are set up for each group:
The Administrator created the AcctShared role and will use it in a role nesting strategy to provide the required access.
Which actions can the Administrator take to fulfill this request?
The AcctShared role should be granted SELECT access on the BusinessViews database. This ensures that the role itself has the necessary privileges.
Then, you can nest this role by granting AcctShared to the individual roles of AcctUsers, AcctDev, and AcctBatch. This role nesting strategy allows the users in these groups to inherit the permissions from AcctShared without having to directly grant the privileges to each individual role.
This approach maintains a clean and efficient permission structure using role nesting.
Which view contains privilege checks for user requests?
DBC.AccessLogV contains details regarding access logging, including privilege checks for user requests.
This view provides information about when users' actions are logged, specifically in relation to access attempts and whether these actions are allowed or denied based on their privileges.
