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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which requirement must be met to read from a database in parallel using the ODBC connector?

A) Configure environment variable $APT_PARTITION_COUNT.
B) ODBC connector always reads in parallel.
C) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
D) Set the Enable partitioning property to Yes.

2. Which three source stages require a schema file when using RCP? (Choose three.)

A) Complex Flat File Stage
B) File Set Stage
C) Column Export Stage
D) Data Set Stage
E) External Target Stage

3. Which of the following describes what happens when Runtime Column Propagation is enabled?

A) An input column value flows into a target column only if it matches it by name.
B) An input column value flows into a target column based on its position in a Schema file.
C) An input column value flows into a target column only if it is explicitly mapped to it.
D) An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.

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

5. What are three valid join operations for the Join stage? (Choose three.)

A) Bottom inner join
B) Top outer join
C) Right outer join
D) Inner Join
E) Left outer join

Solutions: