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IBM InfoSphere DataStage v9.1 Sample Questions:

1. The derivation for a stage variable is: Upcase(input_column1) : ' ' : Upcase(input_column2). Suppose that input_column1 contains a NULL value. Assume the legacy NULL processing option is turned off. Which behavior is expected?

A) NULL is written to the target stage variable.
B) The input row is either dropped or rejected depending on whether the Transformer has a reject link.
C) The job aborts.
D) The target stage variable is populated with spaces or zeros depending on the stage variable data type.

2. When using a Sequential File stage as a source what are the two reject mode property options? (Choose two.)

A) Continue
B) Set
C) Fail
D) Convert
E) Save

3. Which two data repositories can be used for user authentication within the Information Server Suite? (Choose two.)

A) IIS Web Console
B) Standalone LDAP registry
C) IBM Information Server user directory
D) Operations Console database
E) IBM Metadata repository

4. A job design consists of an input Sequential Files stage, a Sort stage, followed by a Transformer stage and an output Sequential File stage. In the input Sequential Files stage, the "Number of readers per node" property has been set to 3. The job is run on an SMP machine with a configuration file defined with 3 nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A) 8
B) 12
C) 6
D) 10

5. The data going into the target Sequential Files stage is range-partitioned and sorted. Which technique method would be the most efficient to create a globally sorted target sequential file?

A) Select an in-stage sort in the final Sequential File stage.
B) Select the Ordered collector method for the final Sequential File stage.
C) Insert a Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
D) Select the Sort Merge collector method for the final Sequential File stage.

Solutions: