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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 "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage.
B) 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.
C) Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set.
D) Set the buffer mode to "no buffer" on the output links of both Data Sets.

2. The number of File Set data files created depends upon what three items? (Choose three.)

A) Number of processing nodes in the default node pool.
B) Number of disks in the export or default disk pool connected to each processing node in the default node pool
C) Schema definition of the file.
D) Number of physical processing nodes.
E) File system limitations.

3. You set environment variable $APT_ORACLE_LOAD_OPTIONS=PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables.You set environment variable $APT_ORACLE_LOAD_OPTIONS=?PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables. Which statement is accurate regarding the resulting effect of this environment variable setting?

A) The Oracle load will run in parallel using simple direct path mode.
B) Oracle load will fail when executed.
C) The Oracle database stage will run in parallel using conventional path mode.
D) Oracle load will run in parallel and bypass DataStage Director.

4. You need to find the differences between the jobs in the Test project and theit older version in the Production project. You discover that the Production project is on another domain. What feature would find the differences in a job that is in a project on a different domain?

A) Cross Domain Compare
B) Cross Project Compare
C) Export from the other domain and import into a project in the same domain as the one you are working in.
D) DataStage Version Control

5. The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)

A) Remove Duplicates
B) Final
C) Copy
D) Edit
E) Deleted

Solutions: