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IBM P2090-018 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Backup, Recovery, and Maintenance | - Backup strategies
|
| Performance and Optimization | - Query optimization
|
| DB2 10 Architecture and Concepts | - Database engine architecture
|
| SQL and Data Manipulation | - SQL fundamentals
|
| Database Administration | - User and security management
|
IBM Information Management DB2 10 Technical Mastery Test v3 Sample Questions:
Which one of the following options is CORRECT about Temporal Tables?
- A. Temporal tables require constant changes to the operating system timestamp in order to navigate through time in the database.
- B. Temporal tables are used to model data in the past and present. They cannot be used to model data in the future.
- C. Temporal tables are complex to maintain and require major application changes.
- D. Temporal tables are used to model data in the past, present, and future.
Correct Answer: D 🗳️
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 one of the following options is correct about the differences between the IMPORT and INGEST utilities?
- A. The IMPORT utility can import data into a database, while the INGEST can only create database objects based on a script file.
- B. The IMPORT utility is now deprecated and INGEST is the recommended alternative.
- C. The INGEST is capable of transforming and streaming data from files and pipes at high speeds into DB2 tables. The IMPORT utility cannot transform the data.
- D. The IMPORT utility can perform lightweight transformations on the data being processed. The INGEST utility cannot transform data.
Correct Answer: C 🗳️
What are some of the benefits of DB2 Express?
- A. DB2 Express has affordable licensing terms with all of the core features of the DB2 engine.
- B. DB2 Express is a tool that allows DBAs to quickly solve complex database issues.
- C. DB2 Express is designed for development and testing. It is not used as a production database.
- D. DB2 Express is fastest and most powerful DB2 edition.
Correct Answer: A 🗳️
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