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IBM C2090-549 Exam Syllabus Topics:

IBM Certified System Programmer - IBM IMS Sample Questions:

1. An accounting trace shows a high get page per SQL ratio for a query which retrieves just one row each time it is executed. Which two situations could account for the high ratio? (Choose two.)

A) Use of an index with low cardinality.
B) Use of an index with high cardinality.
C) Use of a matching unique index scan.
D) Use of a single column index that is a GENERATED ALWAYS identity column.
E) Use of a nonmatching index scan.

2. A customer has just migrated their DB2 system to V9 new function mode. They currently use the BACKUP SYSTEM utility and have optionally dumped the backup to tape. Which action should be performed to only use the system level backup that was taken to disk?

A) Use the TAPEDUMP(NORECSYS) keyword on the BACKUP SYSTEM utility when the backup is taken.
B) Use the BACKUPTYPE(DASD) keyword on the RESTORE SYSTEM utility.
C) Set the RESTORE_RECOVER_FROMDUMP system parameter to NO.
D) Run the DSNJU003 utility and modify the system point in time backup record to have DUMPSTATE=NONE.

3. Which two statements are correct in DB2 9? (Choose two.)

A) WORKFILE database is used for processing SQL with materializing views, triggers, nested table expressions.
B) WORKFILE database is used for storing DB2 global temporary tables.
C) TEMP database is used for storing external (user-defined) declared global temporary tables.
D) WORKFILE database supports 4 KB, 8 KB, 12 KB or 32 KB page sizes.
E) In a data sharing environment, all data sharing members use a single WORKFILE database.

4. A DB2 subsystem is set up to take a checkpoint every two minutes. Applications that use this DB2 subsystem are supposed to adhere to an IT standard where a commit should be issued by the application at least every 200 SQL changes (INSERTs, UPDATES, or DELETEs). Which system parameter would be used to help implement the IT standard?

A) LRDRTHLD
B) MAXDBAT
C) CHKFREQ
D) URLGWTH

5. Under which condition would a -RESET INDOUBT command be necessary?

A) When DB2 is the commit coordinator and is unable to resolve in-doubt threads.
B) When in-doubt threads have been resolved and DB2 cannot synchronize with the commit coordinator.
C) When DB2 cannot determine if the threads should be committed or rolled back.
D) When the commit coordinator is unable to determine if threads should be committed or rolled back.

Solutions: