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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Records in a source file must be aggregated for further processing. Which two conditions would require the use of a Transformer stage instead of or in addition to an Aggregator stage? (Choose two.)

A) The aggregation is a custom formula for your enterprise.
B) Aggregation results outside of a certain range need to be flagged as abnormal.
C) A global aggregation across all partitions is needed.
D) The data hasn't been sorted or grouped.

2. Which two statements are true about project-level configuration for National Language Support (NLS)? (Select two)

A) Choose appropriate NLS map in the stage property.
B) Choose NVarChar for string fields.
C) Change the Parallel job project locale.
D) Change the Parallel job project map.

3. In the job fragment shown in the exhibit, the data going into the target Sequential File stage needs to be sorted by postal code. The Sort stage accomplishes this by running in Sequential mode and sorting by postal code. You have been asked to improve the performance of the job with a 4-node configuration file.

Which two changes will improve the performance of the job? (Choose two.)

A) Move the Sort stage in front of the Filter stage, so that the sort is performed earlier in the job.
B) Add a second Sort stage just before the existing Sort stage; run the new stage in parallel mode sorting by postal code.
C) Eliminate the existing Sort stage; define an in-stage sort in the Filter stage, sorting by postal code. In the target Sequential File stage choose the SortMerge collector.
D) Change the mode of the existing Sort stage to parallel mode; continue to sort by postal code. In the target Sequential File stage choose the SortMerge collector.

4. Which two property areas must be configured when using the ODBC connector stage as a target in your job design? (Choose two.)

A) Define the connection properties to an ODBC data source.
B) Define columns for the output link.
C) Specify the remote server property.
D) Specify properties for the input link.

5. An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)

A) Select the top Level Job Sequence and Dependency of (deep).
B) Repository Advanced Find Where Used
C) On Export check Include dependencies of
D) Click Impact Analysis Icon on Designer Client Toolbar.

Solutions: