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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. You have been given operational requirements to introduce data recovery to one of your parallel job designs. Additionally, you have been told that you are to use flat files as your intermediate data structure. Which two tasks will accomplish these objectives? (Choose two.)

A) Break up the design by splitting it into at least two parallel jobs.
B) Use the Hash File stage to write and read data between parallel jobs.
C) Enable checkpoint restartability in each of your parallel stages.
D) Use the Sequential stage to export and import data between jobs.

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) Use a sequencer to check transfer status and restart the job from the beginning on failure.
D) Create multiple readers to transfer file data and specify restartable mode on Input link tab.

3. What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

A) Replace from Source Code Control Workspace
B) Commit Changes
C) Send to Source Code Control Workspace
D) Rollback Changes

4. Records in a source file must be copied to multiple output streams for further processing. Which two conditions would require the use of a Transformer stage instead of a Copy stage? (Choose two.)

A) Renaming one or more output columns.
B) Converting some input columns from integers to strings.
C) Directing selected output records down one output link rather than another.
D) Concatenating data from multiple input columns.

5. 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).

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