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IBM C2090-303 Exam Syllabus Topics:

IBM InfoSphere DataStage v9.1 Sample Questions:

1. Which two statements about the Additional Connections Options property in the Teradata Connector stage to specify details about the number of connections to Teradata are true? (Choose two.)

A) The default for requestedsessions is the maximum number of available sessions.
B) Requestedsessions is a number between 1 and the number of vprocs in the operating system.
C) Total requested sessions equals sessions per player multiplied by number of nodes multiplied by players per node. The default value is 4.
D) Sessionsperplayer determines the number of connections each player in the job has to Teradata.
E) The default for requestedsessions is the minimum number of available sessions.

2. In the Slowly Changing Dimension stage, a dimension columns Purpose code property can trigger which two actions. (Choose two.)

A) Update the dimension table.
B) Delete duplicate dimension table rows.
C) Insert rows into the fact table.
D) Update fact table keys.
E) Detect dimension changes.

3. How is DataStage table metadata shared among DataStage projects?

A) Use the InfoSphere Metadata Asset Manager (IMAM) to move the DataStage table definition to the projects where it is needed.
B) Use the "Shared Table Creation Wizard" to place the table in the shared repository.
C) Export DataStage table definitions from one project and importing them into another project.
D) Import another copy of the table metadata into the project where it is required.

4. What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)

A) $APT_RESTRICT_SORT_USAGE
B) $APT_OPT_SORT_INSERTION
C) $APT_TSORT_STRESS_BLOCKSIZE
D) $APT_PARTITION_FLUSH_COUNT
E) $APT_NO_PART_INSERTION

5. The data going into the target Sequential Files stage is range-partitioned and sorted. Which technique method would be the most efficient to create a globally sorted target sequential file?

A) Select the Ordered collector method for the final Sequential File stage.
B) Select an in-stage sort in the final Sequential File stage.
C) Select the Sort Merge collector method for the final Sequential File stage.
D) Insert a Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.

Solutions: