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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

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

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

2. When creating a Wrapper stage, which three tasks need to be done? (Select three)

A) Code and compile the C/C++ Wrapper source code.
B) Specify how Wrapper property values are to be converted.
C) Create Table Definitions that define the Wrapper's input and output columns.
D) Specify the command to be executed by the Wrapper.
E) Specify whether input rows are to be processed automatically or manually.

3. Which condition is required to use the LastRowInGroup() function to determine a key break on a field?

A) The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort.
B) The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted, for example, by the presence of a Sort stage.
C) The input data has to be sorted by the key field, but it is not required that DataStage be able to detect this. For example, the input data might be sorted before it is input to the job. (However, the job will abort at runtime if the data isn't sorted.)
D) The LastRowInGroup() function requires the data to be grouped by the key field, but the data does not have to be sorted.

4. Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?

A) Set $APT_DUMP_SCORE to true.
B) Log onto the server and issue the command "ps -ef | grep ds".
C) Use the DataStage Director Job administration screen to display active player processes.
D) Set $APT_PM_SHOW_PIDS to true.

5. To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information?

A) $OSH_STDOUT_MSG
B) $APT_PM_PLAYER_MEMORY
C) $APT_NO_PART_INSERTION
D) $OSH_PRINT_SCHEMAS

Solutions: