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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which three environment variables are valid job score environment variables? (Select three)

A) APT_DUMP_SCORE
B) APT_LOW_SCORE
C) APT_THIN_SCORE
D) APT_SAVE_SCORE
E) APT JAVA SCORE

2. You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job?

A) Set the $APT_AUTOPURGE_LOG environment variable to False.
B) Change the Auto-purge settings in Administrator.
C) Change the Auto-purge settings for the job in Director.
D) Set the $APT_AUTOLOG_PURGE environment variable to False.

3. In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column?

A) NULL is written to the stage variable.
B) The row is rejected.
C) The job aborts.
D) The value written to the stage variable is undetermined.

4. A job contains a Sort stage that sorts a large volume of data across a cluster of servers. Due to new requirements, the customer has requested that this sorting be done on a subset of servers identified in the configuration file to minimize impact on database nodes. The $APT_CONFIG_FILE shows no sort disk pool for any node. Which two steps will accomplish this? (Choose two.)

A) Use the environment variable $APT_SCRATCH_SPACE_SORT_USAGE.
B) Define a non-default node pool with a subset of nodes in the parallel configuration file.
C) Create a sort scratch disk pool with a subset of nodes in the parallel configuration file.
D) Have an appropriate node constraint within the Sort stage.
E) Assign a separate config file just for the Sort stage.

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

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

Solutions: