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IBM Certified System Programmer - IBM IMS Sample Questions:

1. Which authority is required for the creation of a database role?

A) SYSADM
B) DBADM
C) SYSOPR
D) DBMAINT

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

3. DB2 audit class trace records are externalized to which SMF record type?

A) 100
B) 101
C) 102
D) 110

4. An accounting report shows high class 3 times. Which three could contribute to the class 3 times?
(Choose three.)

A) not accounted time
B) service task switch
C) page latch
D) elapsed time
E) synchronous I/O

5. A customer is having performance problems with a particular statically bound batch package.
This batch program is processing transactions from a sequential file where each input record ends up updating one row in a 10 million row table. The sequential file contains 5000 records.
The customer reviews the accounting record information and notices that class 1 elapsed time is 2 hours, class 2 elapsed time is 1 hour 50 minutes and class 3 elapsed time is 1 hour, 45 minutes. Which statement regarding the problem could be true?

A) The scenario as described does not indicate that there is a performance problem; all of the elapsed time figures appear to be normal.
B) The batch program appears to have a logic error; the difference between class 2 elapsed and class 3 elapsed shows only 5 minutes of time actually executing in DB2.
C) The access path for the package is not optimal; high CPU is causing the problem.
D) DASD contention could be the result of the poor performance problem.

Solutions: