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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A job is using the Load method in the DB2 and Oracle Enterprise stage for parallel loading into a single table. The job fails at runtime and you see there are new table rows added. What would explain this result? (Select two)

A) Commit size is smaller than source data.
B) Some partitions completed before failure.
C) Load operations are sequential.
D) Load operations are parallel.

2. Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

A) Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.
B) Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.
C) Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.
D) Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.

3. You found there were common functional requirements in the data mapping specification. The required functions are same but the record formats are different. Which action will allow you to effectively implement common logic?

A) Create parallel shared containers and define columns combining all data formats.
B) Create separate jobs and choose appropriate job within a job sequence.
C) Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary columns needed for the logic.
D) Create parallel routines.

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

Solutions: