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

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

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

A) 10
B) 16
C) 12
D) 8

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

A) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
B) Grid environments must have named node pools for data processing.
C) When named node pools are used, DataStage uses named pipes between stages.
D) Named node pools limit the total number of partitions that can be specified in the configuration file.
E) Named node pools can allow separation of buffering from sorting disks.

4. When using the Column Export stage, what are two export column type property values allowed for the combined single output column result? (Choose two.)

A) Binary
B) Vector
C) Decimal
D) VarChar
E) Integer

5. A job design reads from a complex flat file, performs some transformations on the data, and outputs the results to a ISD output stage. How can the parameter values can be passed to this job at run-time?

A) Execute a DSSetParam with the values at job execution time.
B) Include the parameter values in the data.
C) Pass the parameter values at the time of the service request.
D) Change the properties of the information provider.

Solutions: