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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which two steps are required to change from a normal lookup to a sparse lookup in an ODBC Enterprise stage? (Choose two.)

A) Sort the data on the reference link.
B) Change the lookup option in the stage properties to "Sparse".
C) Establish a relationship between the key field column in the source stage with the database table field.
D) Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*).

2. Which two statements are true about the use of named node pools? (Choose two.)

A) Named node pools can allow separation of buffering from sorting disks.
B) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
C) Clustered environments must have named node pools for data processing.
D) Using appropriately named node pools forces DataStage to use named pipes between stages.

3. You would like to run a particular processing job within a job sequence for each weekday of the week. How could you do this? (Select two)

A) Set the frequency property in the job scheduler to weekdays only.
B) Call a routine in the job sequencer that starts the processing job for each day you would like to process.
C) Have a parameter set that contains the days of the week you would like to process and routine to parse the days of the week contained in the "day" parameter.
D) Start Loop and End Loop activity stages on the job sequencer canvas where you loop through the days and pass a value for each day into the job via parameter.

4. Refer to the exhibit.

You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps-ef | grepds" and receive the following screen:
Which process is the section leader for node2?

A) 7219
B) 7220
C) 7221
D) 7216

5. You are experiencing performance issues for a given job. You are assigned the task of understanding what is happening at run time for that job. What are the first two steps you should take to understand the job performance issues? (Choose two.)

A) Review the objectives of the job.
B) Replace Transformer stages with custom operators.
C) Run job with $APT_TRACE_RUN set to true.
D) Run job with $APT_DUMP_SCORE set to true.

Solutions: