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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?

A) Set $APT_PM_SHOW_PIDS to true.
B) Use the DataStage Director Job administration screen to display active player processes.
C) Set $APT_DUMP_SCORE to true.
D) Log onto the server and issue the command "ps -ef | grep ds".

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.
What are two requirements on the input link data for the Change Capture stage? (Select two)

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

3. In a Transformer Stage you have a nullable input column that is mapped to a non-nullable output column. What two techniques can be used to handle NULL values? (Choose two.)

A) IF input_column = NULL THEN 'unknown' ELSE input_column.
B) IF input_column = '' THEN 'unknown' ELSE input_column.
C) NullToValue(input_column, 'unknown').
D) IF IsNULL(input_column) THEN 'unknown' ELSE input_column.

4. You would like to pass values into parameters that will be used in a variety of downstream activity stages within a job sequence. What are three valid ways to do this? (Choose three.)

A) Check the "Propagate Parameters" checkbox in the Sequence Job properties.
B) Use environment variables.
C) Place a parameter set stage on the job sequence.
D) Use local parameters.
E) Use the UserVariablesActivity Stage to populate the local parameters from an outside source such as a file.

5. Click on the Exhibit button.

Provided you have enough system resources, what is the maximum number of jobs that could be running concurrently in this image?

A) 2
B) 5
C) 3
D) 4

Solutions: