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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)

A) For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.
B) ODBC API is a plug-in stage.
C) The connector stage offers better functionality and performance and is the best to use.
D) Next to the connector stage it is best to use the native parallel database stages.

2. A copy of a production job was moved into a development project and modified to improve performance. You must prepare a report for a code review that documents the changes to the job.
How would you gather the information for this report? (Select two)

A) Cross Project Compare
B) DSMakeJobReport
C) Compare Within
D) diffapicmdline.exe

3. Which three of the following are valid schema formats? (Choose three.)

A) Decimal Columns
B) Aggregator Columns
C) Raw Columns
D) Total Columns
E) Integer Columns

4. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)

A) Copy of the configuration file used when segment was created.
B) Path names of all data files on all processing nodes.
C) Flag marking segment as valid or invalid.
D) Schema of Data Set.
E) Statistical information such as number of records in the segment and number of bytes.

5. Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.)

A) Truncate then add
B) Delete then insert
C) Insert then update
D) Join then update
E) Update then insert

Solutions: