IBM InfoSphere DataStage v8.5 : 000-421

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IBM 000-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. The Teradata Enterprise stage uses a distributed FastExport to access data. What is a limitation to distributed FastExport?

A) Non-data access (e.g., pseudo-tables like DATE or USER) is allowed.
B) Aggregates and most arithmetic operators in the SELECT statement are allowed.
C) Multiple-AMP requests are allowed.
D) The use of the USING modifier is allowed.

2. What three types of links are supported by the Lookup Stage? (Select three)

A) Multiple Input Links
B) A reference link
C) Multiple reject links
D) A single input link
E) A single output link

3. You have a dataset that is range-partitioned and sorted. Which technique is most efficient to create globally sorted data file?

A) Select SortMerge collector method for the input link of the final Sequential File stage.
B) Select Ordered collector method for the input link of the final Sequential File stage.
C) Insert Funnel stage before the final Sequential File stage and select Sort Funnel as Funnel Type.
D) Insert Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.

4. Records in a source file must be aggregated for further processing. Which two conditions would require the use of a Transformer stage instead of or in addition to an Aggregator stage? (Choose two.)

A) A global aggregation across all partitions is needed.
B) The aggregation is a custom formula for your enterprise.
C) Aggregation results outside of a certain range need to be flagged as abnormal.
D) The data hasn't been sorted or grouped.

5. 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 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.
B) On the Output Link format tab, specify the null values in double quotes separated by a comma 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.

Solutions: