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IBM InfoSphere DataStage v9.1 Sample Questions:

1. Which statement is true about improving job performance when using Balanced Optimization?

A) To ensure that a particular stage can only be pushed into a source or target connector, you can set the Stage Affinity property to source or target.
B) Balance optimization attempts to balance the work between the source server, target sever, and the job.
C) Convert a job to use bulk staging tables for Big Data File stages.
D) If the job contains an Aggregator stage, data reduction stages will be pushed into a target data server by default.

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) 12
B) 8
C) 16
D) 10

3. You want to better understand the tsort operators that are inserted into the job flow at runtime. Which environment variable can provide this information?

A) $APT_PM_PLAYER_MEMORY
B) $OSH_DUMP
C) $APT_STARTUP_STATUS
D) $APT_DUMP_SCORE

4. Which two statements about the Additional Connections Options property in the Teradata Connector stage to specify details about the number of connections to Teradata are true? (Choose two.)

A) The default for requestedsessions is the maximum number of available sessions.
B) The default for requestedsessions is the minimum number of available sessions.
C) Total requested sessions equals sessions per player multiplied by number of nodes multiplied by players per node. The default value is 4.
D) Sessionsperplayer determines the number of connections each player in the job has to Teradata.
E) Requestedsessions is a number between 1 and the number of vprocs in the operating system.

5. Which two pieces of information are required to be specified for the input link on a Netezza Connector stage? (Choose two.)

A) Table definitions
B) Error log directory
C) Partitioning
D) Buffering settings
E) Server name

Solutions: