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IBM InfoSphere DataStage v8.5 Sample Questions:

1. A client needs to process a flat file where a set of values in the import data columns should be treated as Null. What is the best way to handle multiple Null values using a Sequential File stage?

A) On the Output Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
B) On the Output Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property.
C) On the Input Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
D) On the Input Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Click here to input option.

2. You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?

A) Named all stage and links with column names and ideas.
B) Named all stages and links based on what they do.
C) Indicated all stage names within the job annotation.
D) Named all stage and links the same.

3. Which of the following describes what happens when Runtime Column Propagation is enabled?

A) An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.
B) An input column value flows into a target column only if it is explicitly mapped to it.
C) An input column value flows into a target column only if it matches it by name.
D) An input column value flows into a target column based on its position in a Schema file.

4. What two features enable a job with a Sequential File stage to read from sequential files with different numbers of columns and types? (Select two)

A) Subrecord data type
B) Vector data type
C) Runtime Column Propagation
D) Schema File property

5. You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job?

A) Change the Auto-purge settings for the job in Director.
B) Set the $APT_AUTOLOG_PURGE environment variable to False.
C) Set the $APT_AUTOPURGE_LOG environment variable to False.
D) Change the Auto-purge settings in Administrator.

Solutions: