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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment 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) The job aborts.
B) The input row is either dropped or rejected depending on whether the Transformer has a reject link.
C) The target stage variable is populated with spaces or zeros depending on the stage variable data type.
D) NULL is written to the target stage variable.

2. Which statement is correct about the Data Rules stage?

A) If you have Rule Creator role in InfoSphere Information Analyzer, you can create and publish rule definitions and rule set definitions directly from the stage itself.
B) When a job that uses the Data Rules stage runs, the output of the stage is passed to the downstream stages and results are stored in the Analysis Results database (IADB).
C) The Data Rules stage works with rule definitions only; not executable rules.
D) As a best practice, you should create and publish new rules from the Data Rules stage.

3. 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 format tab, change the 'Delimiter' property to whitespace.
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 column tab, insure that all the defined column data types are fixed length types.

4. When optimizing a job, Balanced Optimization will NOT search the job for what pattern?

A) Stages
B) Links
C) Property Settings
D) Sequencers

5. Click the Exhibit button.

The job in the exhibit runs to successful completion with no warnings. However, a validation test identifies that the CUSTOMER_MASTER table is empty. You suspect the cause to be related to the NEW_CUSTOMERS table or a defect in the job. Examining runtime metadata may help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.)

A) The view data button in the target Connector stage.
B) Director job monitor tool.
C) InfoSphere Metadata Asset Manager (IMAM) operational metadata reports.
D) Designer "Show performance statistics" option.
E) Designer Performance Analyzer tool.

Solutions: