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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) If the job contains an Aggregator stage, data reduction stages will be pushed into a target data server by default.
B) 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.
C) Convert a job to use bulk staging tables for Big Data File stages.
D) Balance optimization attempts to balance the work between the source server, target sever, and the job.
2. When using the loop functionality in a transformer, which statement is true regarding Transformer processing.
A) Output links can be excluded from being associated with a True loop condition.
B) Stage variables can be executed after loop variable expressions.
C) Loop variable expressions are executed before input link column expressions.
D) Stage variables can be referenced in loop conditions.
3. How does the Complex Flat File stage (CFF) support the use of OCCURS clauses within COBOL files?
A) Each element of the OCCURS clause is treated as a separate element in an array.
B) Each element of the OCCURS clause is treated as a subrecord.
C) Each element of the OCCURS clause is treated as a column of raw data.
D) The CFF stage cannot process COBOL files with OCCURS clauses.
4. 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) 8
B) 10
C) 16
D) 12
5. Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?
A) Set $APT_PM_SHOW_PIDS to true.
B) Use the DataStage Director Job administration screen to display active player processes.
C) Log onto the server and issue the command "ps -ef | grep ds".
D) Set $APT_DUMP_SCORE to true.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: A |


