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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. When optimizing a job, Balanced Optimization will NOT search the job for what pattern?

A) Property Settings
B) Sequencers
C) Stages
D) Links

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

3. Your job is using the Sequential File stage as a source. Identify two stage property configurations that will allow you to accomplish parallel reads? (Choose two.)

A) Read Method property set to 'File Pattern' and the environment variable $APT_IMPORT_PATTERN_USES_FILESET is set to 'FALSE'.
B) Read Method property is set to 'Parallel' with the Key property set to a Input column that has the file names.
C) Read Method property set to 'File Pattern' and the 'Readers per Node' property value set to greater than 1.
D) Read Method property set to 'Specific File(s)' with only one file specified and the 'Readers Per Node' property value set to greater than 1.
E) Read Method property set to 'Specific File(s)' with more than one file specified and each file specified has the same format/column properties.

4. In your parallel job design you have selected a parallel shared container to be included. Which area of your job design is required to be configured to use the parallel shared container?

A) Configure the number of input and/or output links to support the parallel shared container.
B) Configure the job name reference the parallel shared container originates from.
C) Configure your job properties General tab "Allow Container" option to be True.
D) List the jobs that will be allowed to use the container.

5. The Score is divided into which two sections? (Choose two.)

A) Operators
B) File sets
C) Schemas
D) Data sets
E) Stages

Solutions: