IBM InfoSphere DataStage v9.1 : C2090-303

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IBM C2090-303 Exam Syllabus Topics:

IBM InfoSphere DataStage v9.1 Sample Questions:

Question 1

What is used to configure the DataStage QualityStage Operations Console?

A. The DSAppWatcher.sh script
B. Information Server Web Console
C. The DSODBCConfig.cfg file
D. DataStage Administrator

Question 2

You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which technique will enable you to retrieve the sum of the last group?

A. Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column. Use the FirstRow()
function to determine when the group is done.
B. Output a running total for each group for each row. Follow the Transformer stage by an
Aggregator stage. Take the MAX of the QTY column
for each group.
C. Output the sum that you generated each time you process a row for which the LastRow()
function returns True.
D. Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column.

Question 3

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 step should you take to understand the job performance issues?

A. Run the job with $APT_DUMP_SCORE set to true.
B. Run the job with $APT_TRACE_RUN set to true.
C. Replace Transformer stages with custom operators.
D. Replace Join stages by Lookup stages.

Question 4

You are asked by your customer to collect partition level runtime metadata for DataStage parallel jobs. You must collect this data after each job completes. What two options allow you to automatically save row counts and CPU time for each instance of an operator? (Choose two.)

A. $APT_PERFORMANCE_DATA
B. Click the Performance Analysis icon in the toolbar to open the Performance Analyzer utility.
C. $APT_CPU_ROWCOUNT
D. Enable the job property "Record job performance data".
E. Open up the job in Metadata Workbench and select the "Data Lineage" option.

Question 5

A job design consists of an input Row Generator stage, a Sort stage, followed by a Transformer stage and an output Data Set stage. The job is run on an SMP machine with a configuration file defined with four nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A. 7
B. 13
C. 16
D. 16

Solutions: