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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which three statements are true about stage variables? (Select three)

A) Stage variables retain their values between rows in the stage.
B) Stage variables are executed before loop variables.
C) Stage variables cannot contain NULL values.
D) A derivation for a stage variable can reference stage variables that are later in the execution order.
E) Stage variables are executed after constraints but before derivations.

2. Your job is using the DB2 Enterprise stage as a target. In this job you are inserting data into a single existing table on a remote database. You are using Run-Time Column Propagation (RCP) on all of the links.
Which two job design configuration actions would you consider to effectively use RCP? (Select two)

A) Use DB2 partitioning properties on the input link to the DB2 Enterprise stage to control column layout in partitions.
B) In the DB2 Enterprise stage set the option named "Silently Drop Columns Not in Table" to "True".
C) Use a Modify stage prior to the DB2 Enterprise stage in order to drop the columns not found in the table.
D) In the DB2 Enterprise stage use Connection properties to manage column mappings.

3. When creating a Wrapper stage, which three tasks need to be done? (Select three)

A) Create Table Definitions that define the Wrapper's input and output columns.
B) Specify whether input rows are to be processed automatically or manually.
C) Specify the command to be executed by the Wrapper.
D) Specify how Wrapper property values are to be converted.
E) Code and compile the C/C++ Wrapper source code.

4. Click on the Exhibit button.

Which environment variable would provide this information?

A) APT_STATUS
B) APT_PM_PLAYER_TIMING
C) APT_DEBUG_PARTITION
D) APT_SHOW_COMPONENT_CALLS

5. The result of a performance review for one of your job designs indicated this job needs to be split into two separate jobs. You also have been given the requirement to ensure you maintain parallelism (no re-partitioning) between these two new jobs.
Which single stage should you consider to accomplish maintaining parallelism and not introduce re-partitioning between these related jobs?

A) Copy stage
B) Data Set stage
C) Named Pipe stage
D) Sequential File stage

Solutions: