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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A job reads from a sequential file using a SequentialFile stage with option "number of readers" set to 2. This data goes to a Transformer stage and then is written to a dataset using the DataSet stage. The default configuration file has three nodes. The environment variable $APT_DISABLE_COMBINATION is set to "True" and partitioning is set to "Auto". How many processes will be created?

A) 5
B) 9
C) 7
D) 12

2. You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. By default, the Change Capture stage produces an output change link with which two characteristics? (Choose two.)

A) added column named Change_Code
B) Table Definition based on the keys of the input link
C) Table Definition based on the after input link
D) added column named Difference_Value

3. You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed.
What are two requirements on the input link data for the Change Capture stage? (Select two)

A) Merged links
B) Sequential mode
C) Sorted
D) Key partitioned

4. You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate?

A) Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.
B) Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link.
C) Use SortMerge collector for the Sequential File input link.
D) Use Copy stage.

5. In your DB2 database you have column names that use characters # and $. Which two steps should be completed to allow DataStage to convert these characters into internal format and back as necessary? (Select two)

A) Set environment variable $DS_ENABLE_RESERVED_CHAR_CONVERT to true.
B) Avoid using the strings_025_and_026_in your IBM DB2 column names.
C) Set environment variable $DS_ENABLE_RESERVED_NUM_CONVERT to true.
D) Avoid using the strings_035_and_036_in your IBM DB2 column names.

Solutions: