Exam Name: Assessment: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Integration and Connectivity | - Data sources and connectors
|
| DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Performance Tuning and Optimization | - Parallel processing optimization
|
| Job Design and Development | - Server jobs and parallel jobs design
|
| Administration and Troubleshooting | - Monitoring and debugging jobs
|
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
What role must a user have to delete shared metadata assets from the repository?
- A. Common Metadata Administrator
- B. Information Analyzer User
- C. Common Metadata User
- D. DataStage Administrator
- E. Business Glossary Administrator
Correct Answer: A 🗳️
You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.)
- A. The full job description can be identified within the Description Annotation stage.
- B. The Description Annotation stage can be added several times at different locations to identify business logic.
- C. The background for the Description Annotation stage can be changed for each unique stage.
- D. The Description Annotation stage contains both the short and full descriptions for the job.
Correct Answer: A,D 🗳️
Your job uses the MQ connector stage to read messages from an MQ queue. The job should retrieve the message ID into the MessageID field and parse the payload into two fields: Name is to get the first ten characters, Description is to get the remaining characters.
What will accomplish this?
- A. First column is MessageID as Binary 24; second column is Name as Binary 10; select WSMG. MSPAYLOAD data element; third column is Description as VarBinary 200; select WSMG.MSPAYLOAD data element.
- B. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; column is Description as VarBinary 200; third column is Name as Binary 10.
- C. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name as Binary 10; third column is Description as VarBinary 200.
- D. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name; select WSMG.MSPAYLOAD data element; third column is Description; select WSMG.MSPAYLOAD data element.
Correct Answer: A,B 🗳️
The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)
- A. Final
- B. Remove Duplicates
- C. Copy
- D. Edit
- E. Deleted
Correct Answer: C,D,E 🗳️
Input rows to a Transformer contain a product name field and a field with a list of colors the product can be ordered with. The colors are separated by the pipe character (|). Here is an example of an input row: "Shirt"| ....| "Red, Blue, Black"|... For each input row, you want to output multiple output rows, one for each color in the list. For the above example input row, three rows are to be output, one per color: "Shirt" ... "Red", "Shirt" ... "Blue", "Shirt" ... "Black".
Which three operations will you need to accomplish this? (Choose three.)
- A. Use the SaveInputRecord() to save the input row for processing in the loop. Use the GetInputRecord() to extract the row for each iteration of the loop.
- B. Use the LastRowInGroup() function to determine when the last color in the color list has been processed.
- C. Use the Count() function over the ColorList field to determine the number of loop iterations.
- D. Use the @ITERATION variable to determine which color in the ColorList field to extract using the Field function.
- E. Specify the following loop condition: @ITERATION <= n, where n is a stage variable initialized with number of loop iterations.
Correct Answer: C,D,E 🗳️
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