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IBM InfoSphere DataStage v8.5 Sample Questions:

1. You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)

A) default for Runtime Column Propagation
B) defaults for environment variables
C) suite roles
D) default for compile options
E) default prompting options, such as Autosave job before compile

2. Which statement is true about the Web Services Pack?

A) Web Services Pack generates a WSDL.
B) Web Services Pack communicates by Enterprise Java Beans.
C) Web Services Pack is configured from within the Information Services Director application.
D) Web Services Pack makes a service request using SOAP.

3. A DataStage job uses an Inner Join to combine data from two source parallel datasets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.)

A) Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY.
B) Explicitly specify hash partitioning and sorting on each input to the Join stage.
C) Disable job monitoring.
D) Unset the Preserve Partitioning flag on the output of each parallel dataset.
E) Add a parallel sort stage before each Join input, specifying the "Don't Sort, Previously Grouped" sort key mode for each key.

4. What is the lowest CPU cost partitioning method?

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

5. What is the correct method to process a file containing multiple record types using a Complex Flat File stage?

A) Use a Modify stage to convert the output array from the Complex Flat File to a subrecord.
B) Define record ID constraints on the Records ID tab of the Complex Flat File stage.
C) Define record definitions on the Constraints tab of the Complex Flat File stage.
D) Manually break the file into multiple files by record type.

Solutions: