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IBM InfoSphere DataStage v8.5 Sample Questions:

1. The given job processes large volumes of data using default partitioning, with sort/partition insertion enabled. Both source Data Sets are partitioned and sorted on the merge key. Assuming that the business logic allows all of the following actions, which design change would improve the performance of this job?

A) Set the buffer mode to "no buffer" on the output links of both Data Sets.
B) Set the "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage.
C) Before each input to the Merge stage, insert a Sort stage with "Don't Group, Previously Grouped" set on the merge key. Specify SAME partitioning on all inputs.
D) Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set.

2. There is a requirement to transfer a large file using an FTP Enterprise stage. How can you minimize processing time when a transfer failure occurs?

A) Specify restartable mode on a transfer of the single file.
B) Manually split the file into multiple files and specify restartable mode on a transfer.
C) Create multiple readers to transfer file data and specify restartable mode on Input link tab.
D) Use a sequencer to check transfer status and restart the job from the beginning on failure.

3. What is the lowest CPU cost partitioning method?

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

4. You are responsible for managing job changes for you project team. You must update the source code repository through Eclipse Team source code integration whenever a developer notifies you of an asset change.
What two tasks allow you to update the source code repository with the changed asset? (Select two)

A) Right-click the asset and click the Deploy command
B) Right-click the asset and click the Build command
C) Right-click the asset and click the Send to Source Control Work Space.
D) Right-click the asset and click the Team command to commit the artifact to the source control system.

5. How are Shared Table definitions created from the DataStage Client?

A) No need to, DataStage table definitions are automatically saved as shared metadata.
B) Using the "Save" button on the "Table Properties" panel
C) Using the "Save" button on the columns tab on the Stage/Link editor
D) Using the "Shared Table Creation Wizard" from the DataStage Client.
E) This cannot be done from the DataStage Client

Solutions: