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IBM C2090-548 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| IMS Utilities and Troubleshooting | 15% | - Database utilities (DFSURGU0, DFSUDMP0, etc.) - Common operational issues and resolution - Trace and diagnostic tools - Error analysis and problem determination |
| IMS Database Recovery and Backup | 15% | - Recovery control (DL/I, DBRC) - Disaster recovery planning - Restart and recovery procedures - Image copies and backup strategies |
| IMS Data Sharing and Performance | 15% | - Locking and concurrency control - Buffer pool and storage optimization - Performance monitoring and tuning - Data sharing architecture |
| IMS Database Design and Implementation | 20% | - Secondary index implementation - Database definition and DBD generation - Logical relationships and physical pairing - Segment and field design |
| IMS Database Operations and Maintenance | 20% | - Operational procedures and best practices - Reorganization and space management - Access control and security - Database initialization and startup |
| IMS Database Management Concepts | 15% | - Database organization types (HDAM, HIDAM, PHDAM, PHIDAM) - IMS architecture and components - IMS hierarchical database model |
IBM Certified Database Administrator - IBM IMS Sample Questions:
How does automatic storage work in DB2?
- A. Automatic storage simplifies storage management by allowing you to specify storage pathswhere the database manager can place tablespace data, and where the database managerallocates space for various uses.
- B. Automatic storage is a function of DB2 that allows for tables to be backed up automatically ona regularly scheduled basis.
- C. Automatic storage does not exist in DB2.
- D. Automatic storage is an option which is set when you create a DB2 database that allows fortransitions that are written to the database to be automatically committed.
Correct Answer: A 🗳️
What does the table partitioning feature in DB2 allow you to do?
- A. Table partitioning allows you to create very large tables that are divided across multiple storage objects so that you can quickly attach and detach large quantities of data from the tables.
- B. Table partitioning allows you to make smaller tables automatically from large tables, thereby increasing the performance of your DB2 database.
- C. Table partitioning allows you to create result set tables from a join query, which automatically splits the data into smaller chunks, thereby increasing the performance of your DB2 database.
- D. Table partitioning allows you to partition the table data based on the hash values of the primary key.
Correct Answer: A 🗳️
Which one of the following options is CORRECT about Temporal Tables?
- A. 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.
- B. 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.
- C. 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.
- D. 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.
Correct Answer: B 🗳️
What is a DB2 instance?
- A. A DB2 instance is a copy of a database that can be accessed standalone from the database server.
- B. DB2 does not use instances. It requires only databases to operate.
- C. A DB2 instance is just another name for DB2 Database.
- D. A DB2 instance is a logical database manager environment where you catalog databases and set configuration parameters.
Correct Answer: D 🗳️
What is the DB2 journal?
- A. The DB2 journal is a feature that allows for commands in a transaction to be rolled back. Allcommands that have been executed in a particular transaction can be undone using the DB2journal.
- B. DB2 does not have a journal.
- C. The DB2 journal is a GUI that displays historical information about tasks, database actions andoperations, control center actions, messages, and alerts in your DB2 database.
- D. The DB2 journal is a free newsletter that is published monthly to subscribers and that hasarticles of interest to DBAs.
Correct Answer: B 🗳️
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