IBM IBM Certified Solution Developer 000-303

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IBM Certified Solution Developer - IBM InfoSphere DataStage Sample Questions:

1. What role must a user have to delete shared metadata assets from the repository?

A) Business Glossary Administrator
B) Common Metadata Administrator
C) DataStage Administrator
D) Information Analyzer Administrator

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

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

3. A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)

A) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
B) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
C) Alter the Sort stage properties to perform a stable sort.
D) Convert all numeric fields to varchars.
E) Specify Round Robin partitioning on the input link to the Sort stage.

4. The number of File Set data files created depends upon what two items? (Choose two.)

A) Amount of memory.
B) Operating system limitations.
C) Schema definition of the file.
D) Number of disks in the export or default disk pool connected to each processing node in the default node pool.
E) Number of logical processing nodes.

5. A DataStage job uses an Inner Join to combine data from two source parallel datasets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.)

A) Explicitly specify hash partitioning and sorting on each input to the Join stage.
B) Add a parallel sort stage before each Join input, specifying the "Don't Sort, Previously Grouped" sort key mode for each key.
C) Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY.
D) Disable job monitoring.
E) Unset the Preserve Partitioning flag on the output of each parallel dataset.

Solutions: