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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. In a file defining a partial schema, which three properties define the record? (Choose three.)

A) text
B) record_delim_string
C) delim
D) record_length
E) intact

2. 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 meta-data will help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.)

A) $APT_PM_PLAYER_STATS
B) Use job run operational meta-data reports from IS Manager.
C) Show Performance Statistics in the Designer.
D) Job Monitor Tool in the Director Client

3. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Switch stage
B) Transformer stage
C) Filter stage
D) Split Vector stage

4. 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.

5. You have a job that reads in Sequential File followed by a Transformer stage. When you run this job, which partitioning method will be used by default?

A) Hash
B) Random
C) Same
D) Round Robin

Solutions: