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

2. You write a job control routine to control a sequence of jobs running as a single unit of work. What are three valid job status types you can trap for? (Choose three.)

A) DSJS.STOPPED
B) DSJS.START
C) DSJS.RUNOK
D) DSJS.RUNFAILED
E) DSJS.RUNERROR

3. Which statement is true about buffering?

A) The "buffer" scratch disk pool needs to be defined to allow the framework to perform data buffering.
B) The framework uses /tmp by default for buffering on Unix systems.
C) In a clustered environment, using a disk space on an NFS mount for buffering improves performance.
D) The buffer operator uses both memory and disk storage.

4. You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.)

A) Specify a node constraint for the SequentialFile stage.
B) Set the Execution Mode to the SequentialFile stage to "Parallel".
C) Use an external Source stage.
D) Set the "Number of Readers per Node" optional property to a value greater than 1.
E) Set the "Read From Multiple Nodes" optional property to a value greater than 1.

5. Which two features of Data Sets make them suitable for job restart points? (Choose two.)

A) They are indexed to improve access.
B) They use the same data types as the parallel framework.
C) They are persistent.
D) They are compressed to minimize storage space.

Solutions: