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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. The effective use of naming conventions means that objects need to be spaced appropriately on the DataStage Designer canvas. For stages with multiple links,expanding the icon border can significantly improve readability. This approach takes extra effort at first, so a pattern of work needs to be identified and adopted to help development. Which feature of Designer can improve development speed?

A) Snap to Grid Feature
B) Repository Layout
C) Palette Layout
D) Show Performance Statistics Feature

2. Your job will write its output to a fixed length data file. When configuring the sequential file stage as a target what format and column tab properties need to be considered for this type of file output?

A) On the Output Link column tab, insure that all the defined column data types are fixed length types.
B) On the Output Link column tab, specify the record size total based on all of the columns defined
C) On the Output Link format tab, add the 'Record Type' property to the tree and set its value to be 'F'.
D) On the Output Link format tab, change the 'Delimiter' property to whitespace.

3. Which statement describes a SCD Type One update in the Slowly Changing Dimension stage?

A) Overwrites an attribute in the fact table.
B) Adds a new row to a dimension table.
C) Adds a new row to the fact table.
D) Overwrites an attribute in a dimension table.

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 two valid ways to do this? (Choose two.)

A) Use the UserVariablesActivity stage to populate the local parameters from an outside source such as a file.
B) Check the "Propagate Parameters" checkbox in the Sequence Job properties.
C) Add a Transformer stage variable to the job sequence canvas.
D) Place a parameter set stage on the job sequence.
E) Use local parameters.

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

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