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IBM Certified Solution Developer - IBM InfoSphere DataStage Sample Questions:

1. What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)

A) $APT_PARTITION_FLUSH_COUNT
B) $APT_NO_PART_INSERTION
C) $APT_OPT_SORT_INSERTION
D) $APT_RESTRICT_SORT_USAGE
E) $APT_TSORT_STRESS_BLOCKSIZE

2. You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.

Which change will reduce the cost of partitioning that occurs in this job?

A) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
B) Use Entire partitioning on the input links to the Aggregator and Join stages.
C) Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
D) Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.

3. What two features distinguish the Operations Console from the Director job log? (Choose two.)

A) The Operations Console can monitor jobs running on only one DataStage engine.
B) Jobs can be started and stopped in Director, but not in the Operations Console.
C) The Operations Console can monitor jobs running on more than one DataStage engine.
D) The Operations Console can run on systems where the DataStage clients are not installed.
E) Workload management is supported within Director, but not in the Operations Console.

4. Which partitioning method requires a key?

A) Modulus
B) Same
C) Sort Merge
D) Round Robin

5. The parallel framework was extended for real-time applications. Identify two of these aspects. (Choose two.)

A) Real-time stage types that re-run jobs.
B) Real-time stage types that keep jobs always up and running.
C) Support for transactions within source database connector stages.
D) End-of-wave.
E) XML stage.

Solutions: