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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A customer requires reading a fixed-length sequential file in parallel where input rows can be identified. What two tasks must be done to meet these requirements? (Choose two.)

A) Ensure data has unique identifiers for data rows.
B) Set partitioning method to Same.
C) Set $APT_READ_MULTI_NODES to TRUE.
D) Specify Multiple readers per node.

2. Which two statements are true about DataStage Parallel Build stages? (Choose two.)

A) On the Logic Post-Loop, you specify code that runs after all input records have been processed.
B) Build stages can only be used in a job that has Runtime Column Propagation (RCP) enabled.
C) The Build stage can be programmed to read and write automatically or code can be written to manually read and write rows.
D) The Build stage generates a C/C++ source file that is compiled and linked outside of DataStage.

3. An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)

A) Select the top Level Job Sequence and Dependency of (deep).
B) On Export check Include dependencies of
C) Repository Advanced Find Where Used
D) Click Impact Analysis Icon on Designer Client Toolbar.

4. Click the Exhibit button.

These three Sequential Files shown in the exhibit need to be joined. Join_1 is on Columns CustID and OrderID. Join_2 is on CustID and LocationID. What is the most efficient hash partitioning strategy for each link?

A) For LinkA Hash Partition on OrderID and CustID; For LinkB Hash Partition on OrderID and CustID; For LinkC Hash Partition on LocationID and CustID; For LinkD Hash Partition on LocationID and CustID.
B) For LinkA Hash Partition on CustID and OrderID; For LinkB Hash Partition on CustID and OrderID; For LinkC Hash Partition on CustID and LocationID; For LinkD Hash Partition on CustID and LocationID.
C) For LinkA Hash Partition on CustID;
For LinkB Hash Partition on CustID;
For LinkC Same Partition;
For LinkD Hash Partition on CustID.
D) For LinkA Hash Partition on CustID, OrderID and LocationID; For LinkB Hash Partition on CustID, OrderID and LocationID; For LinkC Hash Partition on CustID, OrderID and LocationID; For LinkD Hash Partition on CustID, OrderID and LocationI

5. You are responsible for managing job changes for you project team. You must update the source code repository through Eclipse Team source code integration whenever a developer notifies you of an asset change.
What two tasks allow you to update the source code repository with the changed asset? (Select two)

A) Right-click the asset and click the Send to Source Control Work Space.
B) Right-click the asset and click the Team command to commit the artifact to the source control system.
C) Right-click the asset and click the Deploy command
D) Right-click the asset and click the Build command

Solutions: