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IBM Certified System Programmer - IBM IMS Sample Questions:

1. 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 access path for the package is not optimal; high CPU is causing the problem.
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) DASD contention could be the result of the poor performance problem.
D) The scenario as described does not indicate that there is a performance problem; all of the elapsed time figures appear to be normal.

2. All members of a data sharing group can be accessed by the group attachment name GRP. Two members (DB2A and DB2B) of the data sharing group are up on the same z/OS and you run a batch job on this z/OS with the following DSN command: DSN SYSTEM(GRP). Which statement is true?

A) Your batch job will always be connected to DB2
B) Your batch job will randomly be connected to either DB2A or DB2B.
C) The connection is dependent on the definition in SYS1.PARMLIB member IEFSSNxx.
D) Your batch job will always be connected to DB2

3. In IMS Connect, what commit-mode and sync-level does Resume Tpipe require?

A) Commit Mode Zero (CM0), Sync level Confirm (SL1)
B) Commit Mode One (CM1), Sync level None (SL0)
C) Commit Mode One (CM1), Sync level Confirm (SL1)
D) Commit Mode Zero (CM0), Sync level None (SL0)

4. You encounter a wait situation while running a BACKUP SYSTEM utility. Which two processes might contribute to this wait situation? (Choose two.)

A) LOCK TABLE TB1 PARTITION 5 IN EXCLUSIVE MODE
B) CREATE TABLESPACE TS1 NUMPARTS 25 SEGSIZE 4 IN DATABASE DB1
C) SELECT * FROM TABLE TB1 WITH RR
D) SET CURRENT DECFLOAT ROUNDING MODE=ROUND_CEILING
E) TRUNCATE TABLE TB1 DROP STORAGE

5. What does the STRINGMX statement in the DSFVSMxx member specify?

A) The number of VSAM requests that can be concurrently active.
B) The length of the DASD channel supported.
C) The characteristics of the buffers in the VSAM pool.
D) The characteristics of the buffers in the OSAM pool.

Solutions: