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IBM InfoSphere Business Information Exchange Technical Mastery Test v1 Sample Questions:

1. In a Job Sequence, what is the purpose for the use of Checkpoints?

A) Automatically restart a job
B) Monitor performance and failure for each stage
C) Record the log information for each trigger
D) Restart a job from the latest Checkpoint in case of job failures

2. Which condition is required to use the LastRowInGroup() function to determine a key break on a field?

A) The LastRowInGroup() function requires the data to be grouped by the key field, but the data does not have to be sorted.
B) The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted, for example, by the presence of a Sort stage.
C) The input data has to be sorted by the key field, but it is not required that DataStage be able to detect this. For example, the input data might be sorted before it is input to the job. (However, the job will abort at runtime if the data isn't sorted.)
D) The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort.

3. In DataStage Sequential File Stage, how is a NULL value represented?

A) By a space character
B) A -1 for an integer field and an empty string for a VARCHAR field
C) By a 'NULL' string
D) As defined by the Developer in the extended properties of the field

4. Which of the following stages is NOT a file data access stage?

A) Transformer Stage
B) Dataset Stage
C) Sequential File Stage
D) FileSet Stage

5. Which of the following statements about partitioning algorithms is correct?

A) For the Lookup reference stage, DataStage always uses the MODULUS method
B) MODULUS and HASH ensure balanced data volumes in all the partitions
C) SAME partitioning method is the fastest algorithm because it does not require additional processing
D) The grouping methods available in the Aggregator stage are MODULUS and HASH

Solutions: