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IBM InfoSphere DataStage v8.5 Sample Questions:

1. What is the lowest CPU cost partitioning method?

A) Hash
B) Round Robin
C) Random
D) Entire

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) Update then insert
C) Join then update
D) Insert then update
E) Delete then insert

3. In a Transformer Stage you have a nullable input column that is mapped to a non-nullable output column. What two techniques can be used to handle NULL values? (Choose two.)

A) IF input_column = NULL THEN 'unknown' ELSE input_column.
B) IF IsNULL(input_column) THEN 'unknown' ELSE input_column.
C) NullToValue(input_column, 'unknown').
D) IF input_column = '' THEN 'unknown' ELSE input_column.

4. To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information?

A) $OSH_STDOUT_MSG
B) $APT_NO_PART_INSERTION
C) $OSH_PRINT_SCHEMAS
D) $APT_PM_PLAYER_MEMORY

5. DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)

A) For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.
B) ODBC API is a plug-in stage.
C) The connector stage offers better functionality and performance and is the best to use.
D) Next to the connector stage it is best to use the native parallel database stages.

Solutions: