IBM Assessment: InfoSphere DataStage v8.5 : A2090-421 exam

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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. How is DataStage Table Metadata shared among DataStage projects?

A) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
B) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
C) Export DataStage Table Definitions from one project and importing them into another project.
D) DataStage Tables cannot be shared between projects.
E) Import another copy of the table metadata into the project where it is required.

2. In which two situations would you use the Web Services Client stage? (Choose two.)

A) You do not need both input and output links in a single web service operation.
B) You need the Web service to act as either a data source or a data target during an operation.
C) You need to create a WSDL.
D) You want to deploy a service.

3. 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 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
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 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.

4. You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job?

A) Change the Auto-purge settings for the job in Director.
B) Set the $APT_AUTOPURGE_LOG environment variable to False.
C) Change the Auto-purge settings in Administrator.
D) Set the $APT_AUTOLOG_PURGE environment variable to False.

5. You have been given operational requirements to introduce data recovery to one of your parallel job designs. Additionally, you have been told that you are to use flat files as your intermediate data structure. Which two tasks will accomplish these objectives? (Choose two.)

A) Break up the design by splitting it into at least two parallel jobs.
B) Use the Sequential stage to export and import data between jobs.
C) Use the Hash File stage to write and read data between parallel jobs.
D) Enable checkpoint restartability in each of your parallel stages.

Solutions: