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IBM P2090-018 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| DB2 Core Concepts | - DB2 architecture and components
|
| High Availability and Recovery | - HADR and fault tolerance
|
| SQL and Data Management | - SQL operations
|
| Database Administration | - Database creation and configuration
|
| Utilities and Tools | - DB2 utilities
|
| Performance and Optimization | - Design Advisor and tuning tools
|
IBM Information Management DB2 10 Technical Mastery Test v3 Sample Questions:
Which of the following options best describes the differences between Label Based Access Control (LBAC) and Row and Column Access Control (RCAC)?
- A. RCAC is a fixed label security model designed for the US government while LBAC is a general purpose security model best suited for commercial customers.
- B. With RCAC users do not get an error when accessing protected data, while with LBAC users can get an error if they don't have the necessary credentials to access a LBAC protected column.
- C. LBAC allows you to protect access only to rows, while RCAC allows you to protect both rows and columns.
- D. RCAC returns the data based on what is being asked (data centric), while LBAC returns data based on who is asking what (user centric). Users with DATAACCESS authority are exempt from the Row and Column Access Control rules.
Correct Answer: B 🗳️
Which of the following options is TRUE about the Row and Column Access Control (RCAC) feature?
- A. In order to take advantage of this feature, applications must be changed to work with the RCAC feature.
- B. Users with DATAACCESS authority are exempt from the Row and Column Access Control rules.
- C. Table data is protected against direct access to the table. Access using views is unrestricted.
- D. Row and column level access control allows the creation of column masks that can control what column values a user is permitted to see.
Correct Answer: D 🗳️
Which one of the following options is CORRECT about Temporal Tables?
- A. System-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.
- B. Application-period temporal tables combine the historical tracking of a system-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
- C. System-period temporal tables combine the historical tracking of an Application-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
- D. Application-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.
Correct Answer: A 🗳️
What is the DB2 Load utility?
- A. The DB2 Load utility is a high-speed, low-level, data loading utility that loads data into a DB2 database.
- B. The DB2 Load utility is a tool that allows you to directly transfer data and objects from another database into the one you are currently working with.
- C. The DB2 Load utility can be used to load and create external functions in a DB2
database. - D. The DB2 Load utility is a tool that stores all scripts that are required to create the database. It does not load data, but just loads the database metadata that was exported for a site backup.
Correct Answer: A 🗳️
Primo -
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