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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)

A) Set the Job1 Activity stage to "Do not checkpoint run.".
B) In the Job1 Activity stage set the Execution action to "Reset if required, then run.".
C) Set trigger on the Job1 Activity stage to "Unconditional".
D) Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".

2. You have a DataStage job on SMP environment. It contains an input sequential file, a Modify stage, followed by a Transformer stage, and an output Sequential File stage. The job is run with three nodes. The engine uses all default settings. How many processes will this job create?

A) 9
B) 16
C) 12
D) 19

3. What two features enable a job with a Sequential File stage to read from sequential files with different numbers of columns and types? (Select two)

A) Vector data type
B) Subrecord data type
C) Runtime Column Propagation
D) Schema File property

4. In a file defining a partial schema, which three properties define the record? (Choose three.)

A) text
B) record_delim_string
C) record_length
D) intact
E) delim

5. DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)

A) The connector stage offers better functionality and performance and is the best to use.
B) Next to the connector stage it is best to use the native parallel database stages.
C) For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.
D) ODBC API is a plug-in stage.

Solutions: