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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. When you configure a domain for source code integration a source control workspace is created. What are two reasons for the source control workspace? (Choose two.)

A) provides a place to store the archive created by IS source code control integration
B) default directory for istool exports.
C) directory for deployment package files
D) local transfer area for assets being submitted to the source control system

2. A job design consists of an input sequential file, a Modify stage, followed by a Filter stage and an output SequentialFile stage. The job is run on an SMP machine with a configuration file defined with three nodes. No environment variables were set for the job. How many osh processes will this job create?

A) 8
B) 9
C) 11
D) 16

3. You are required to use a Make Vector stage in your job. What three requirements must be met in order to use this stage? (Choose three.)

A) Input columns that do not have a name of form <column_name>0 to <column_name>n, where <column_name> is the column name and 0 and n are the first and last of its consecutive numbers will not be included in the vector and will be dropped.
B) Columns must be in consecutive order.
C) All columns are combined into a vector of the same length as the number of columns.
D) Input columns must all be of the same data type.
E) Input columns must form a numeric sequence.

4. You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A) Use usage analysis and multi-compile to re-compile job using this shared container.
B) You can create a sequencer to re-compile all of the routines using this shared container.
C) Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
D) Jobs using this parallel shared container need to be re-compiled.

5. What are three valid join operations for the Join stage? (Choose three.)

A) Top outer join
B) Inner Join
C) Right outer join
D) Bottom inner join
E) Left outer join

Solutions: