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IBM InfoSphere DataStage v8.5 Sample Questions:

1. You are experiencing performance issues for a given job. You are assigned the task of understanding what is happening at run time for that job. What are the first two steps you should take to understand the job performance issues? (Choose two.)

A) Replace Transformer stages with custom operators.
B) Run job with $APT_TRACE_RUN set to true.
C) Run job with $APT_DUMP_SCORE set to true.
D) Review the objectives of the job.

2. Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.)

A) Truncate then add
B) Insert then update
C) Update then insert
D) Delete then insert
E) Join then update

3. A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables?

A) two
B) four
C) three
D) five

4. Configuring the weighting column of an Aggregator stage affects which three options. (Choose three.)

A) Percent Coefficient of Variation
B) Sum of Weights
C) Corrected Sum of Squares
D) Sum
E) Maximum Value

5. How is DataStage Table Metadata shared among DataStage projects?

A) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
B) DataStage Tables cannot be shared between projects.
C) Import another copy of the table metadata into the project where it is required.
D) Export DataStage Table Definitions from one project and importing them into another project.
E) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.

Solutions: