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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

Question 1

The DB2 and Oracle Enterprise stages support logged and non-logged DBMS table operations. What is the non-logged operation that is supported by the DB2 and Oracle Enterprise stages?

A. Delete
B. Insert
C. Update
D. Load

Question 2

Which Oracle data type conversion is correct?

A. Oracle data type RAW converts to RAW in Oracle Enterprise stage.
B. Oracle data type NUMBER converts to DECIMAL(38, 0) in Oracle Enterprise stage.
C. Oracle data type NUMBER(6, 0) converts to INT32 in Oracle Enterprise.
D. Oracle data type NUMBER(15, 0) converts to INT32 in Oracle Enterprise stage.

Question 3

You need to find the differences between the jobs in the Test project and theit older version in the Production project. You discover that the Production project is on another domain. What feature would find the differences in a job that is in a project on a different domain?

A. DataStage Version Control
B. Cross Project Compare
C. Export from the other domain and import into a project in the same domain as the one you are working in.
D. Cross Domain Compare

Question 4

You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.)

A. The background for the Description Annotation stage can be changed for each unique stage.
B. The Description Annotation stage can be added several times at different locations to identify business logic.
C. The full job description can be identified within the Description Annotation stage.
D. The Description Annotation stage contains both the short and full descriptions for the job.

Question 5

In the job fragment shown in the exhibit, there are two Sort stages: the first (Sort1) sorts the data by state, the second (Sort2) sorts the data by state and area, No repartitioning occurs between the stages.
You have been asked to reduce the number of sorts to improve the performance of the job.

Which two ways might be used to accomplish this without changing how the job functions? (Select two)

A. In the second Sort stage change the Sort Mode property of the state column to "Don't sort, previously sorted.".
B. In the second Sort stage change the Sort Mode property of the area column to "Don't sort, previously sorted.".
C. Remove the second Sort stage. Add area as an additional sort key.
D. Remove the first Sort stage. Retain the existing sort keys in the second Sort stage.

Solutions: