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IBM Websphere Datastage V.8.0 Sample Questions:

1. Click the Exhibit button.
In the exhibit, data is being read from a Sequential File stage (Read_Selling_Group_Mapping) and written to a target Data Set stage (Write_Selling_Group_Mapping_Copy). All columns are being mapped source to target in the Copy stage. After the job is executed using a 2-node configuration file, you notice that the Data Set has only one partition. What are two actions that can be done to this job to ensure Data Set has two partitions? (Choose two.)

A) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".
B) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "FALSE".
C) Disable Runtime Column Propagation (RCP) and set "Force" option in the Data Set stage to "TRUE".
D) Disable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".

2. You would like to compare two versions of a job that has been copied and renamed. How would you proceed?

A) Verify the properties of the job for the version.
B) Use the Job Compare function.
C) Perform a check sum on an export of the job.
D) Use Advanced Find to locate job duplicates.

3. In which two situations is it appropriate to use a Sparse Lookup? (Choose two.)

A) When accessing DB2 data using the DB2 API stage.
B) When invoking a stored procedure within a database per row in the streaming link.
C) When the output of the Lookup stage needs to be hashed partitioned.
D) When reference data is significantly larger than the streaming data (100:1).

4. Which two statements are true for named node pools? (Choose two.)

A) Using appropriately named node pools forces DataStage to use named pipes between stages.
B) Using appropriately named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
C) Using appropriately named node pools is only available in clustered environments.
D) Using appropriately named node pools can allow separation of buffering from sorting disks.

5. Your customer asks you to identify which stages in a job are consuming the largest amount of CPU time. Which product feature would help identify these stages?

A) $APT_PM_DUMP_SCORE
B) $APT_PM_PLAYER_CPU
C) $APT_PM_PLAYER_TIMING
D) $APT_PM_SHOW_PIDS

Solutions: