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IBM C2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security and Authorization | - Authentication and authorization models - Roles, privileges, and authorities |
| Topic 2: Backup, Recovery, and High Availability | - Backup and restore operations - Rollforward recovery - High Availability Disaster Recovery (HADR) |
| Topic 3: Utilities and Data Movement | - Data reorganization and rebalancing - LOAD, IMPORT, EXPORT utilities |
| Topic 4: Database Administration and Configuration | - Client connectivity and cataloging - Database creation and maintenance - Instance and database configuration parameters |
| Topic 5: Database Architecture and Concepts | - DB2 instance and database architecture - Memory structures and processes - Storage management concepts |
| Topic 6: Performance Monitoring and Tuning | - Indexing and statistics maintenance - Monitoring tools and snapshot monitoring - Query optimization and explain plans |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
Which of the following techniques will ensure that you CANNOT encounter two active primary servers in an HADR pair?
- A. Catalog both servers separately and use a fixed IP address for both servers.
- B. Use a virtual IP Address for both servers.
- C. Set ALTERNATER SERVER to fixed IP Addresses on both servers.
- D. Use a virtual IP Address in the CATALOG DATABASE command.
Correct Answer: D 🗳️
A Windows user with a local database is not able to connect to a zOS database. The System Database Directory and the Node Directory have the correct entries. Other users can connect to the database from their workstations without problems. What should be done resolve the problem?
- A. Catalog the zOS database in the Distributed Data Facility Directory.
- B. Uncatalog and re-catalog the directory entries for the zOS database and try again.
- C. Catalog the zOS database in the Database Connection Services Directory.
- D. Catalog the zOS database in the Local Database Directory.
Correct Answer: C 🗳️
A database and a table space were created using the following commands:
Afterwards, two tables were created in table space TBSP1 and both tables were populated with 100,000 rows. If a DBA decides that database MYDB should use automatic storage, which command(s) are needed to convert the database?
- A. ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
- B. ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
- C. ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2? ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
- D. ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
Correct Answer: D 🗳️
Table TAB1 was created using the following statement:
CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT);
If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?
- A. CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1);
- B. CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3);
- C. CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3);
- D. CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3);
Correct Answer: B 🗳️
A journaling application inserts data with continually increasing sequential keys while a clean up process randomly deletes erroneous rows. What can be done to maximize insert performance?
- A. Issue a db2set DB2SKIPDELETED=ON command.
- B. Issue a db2set DB2MAXFSCRSEARCH=1024 command.
- C. Issue an ALTER TABLESPACE EXTEND statement.
- D. Issue an ALTER TABLE APPEND ON statement.
Correct Answer: D 🗳️
