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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?

A) Named all stage and links with column names and ideas.
B) Indicated all stage names within the job annotation.
C) Named all stage and links the same.
D) Named all stages and links based on what they do.

2. Which three environment variables are valid job score environment variables? (Select three)

A) APT_LOW_SCORE
B) APT_THIN_SCORE
C) APT_SAVE_SCORE
D) APT_DUMP_SCORE
E) APT JAVA SCORE

3. A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?

A) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
B) Alter the number of partitions in the $APT_CONFIG_FILE.
C) Replace the Join with a Merge stage.
D) Break the input file into multiple files.

4. What conditions are necessary for a master record and an update record to merge?

A) all of the columns in the input record match the columns in the update record
B) none of the columns in the input record match the columns in the update record
C) both records have the same values for the merge key column(s) that you specify
D) some of the columns in the input record match the columns in the update record

5. 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) directory for deployment package files
C) default directory for istool exports.
D) local transfer area for assets being submitted to the source control system

Solutions: