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IBM InfoSphere DataStage v9.1 Sample Questions:

1. What two binding types are supported by Information Services Director (ISD) for a parallel job that is designed to be used as a service? (Choose two.)

A) SQL
B) EJB
C) SOAP
D) HDFS
E) STREAMS

2. 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) Disable job monitoring.
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) Unset the Preserve Partitioning flag on the output of each parallel dataset.
E) Explicitly specify hash partitioning and sorting on each input to the Join stage.

3. You are asked by management to document all jobs written to make future maintenance easier. Which statement is true about annotations?

A) The background for the Description Annotation stage can be changed for each unique stage.
B) The Description Annotation stage contains both the short and full descriptions for the job.
C) The Description Annotation stage can be added several times at different locations to identify business logic.
D) The short job description can be identified within the Description Annotation stage.

4. Which job log message heading identifies the score in the job log?

A) main_program: This step has 3 datasets: ...
B) main_program: Broadcasting score.
C) OSH script ...
D) main_program: orchgeneral: loaded

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

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

Solutions: