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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Connectivity and Integration | - Source and target systems
|
| Topic 2: Performance and Optimization | - Parallel execution tuning
|
| Topic 3: DataStage Architecture and Fundamentals | - Core architecture concepts
|
| Topic 4: Job Design and Development | - Building DataStage jobs
|
| Topic 5: Monitoring and Administration | - Job control and troubleshooting
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Click on the Exhibit button.
Using this report, how many processes and on how many nodes does this score depict?
- A. 2 processes on 2 nodes
- B. 2 processes on 3 nodes
- C. 3 processes on 3 nodes
- D. 3 processes on 2 nodes
The given job processes large volumes of data using default partitioning, with sort/partition insertion enabled. Both source Data Sets are partitioned and sorted on the merge key. Assuming that the business logic allows all of the following actions, which design change would improve the performance of this job?
- A. Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set.
- B. Before each input to the Merge stage, insert a Sort stage with "Don't Group, Previously Grouped" set on the merge key. Specify SAME partitioning on all inputs.
- C. Set the "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage.
- D. Set the buffer mode to "no buffer" on the output links of both Data Sets.
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Which three environment variables are valid job score environment variables? (Select three)
- A. APT_THIN_SCORE
- B. APT_SAVE_SCORE
- C. APT_LOW_SCORE
- D. APT_DUMP_SCORE
- E. APT JAVA SCORE
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; select the WSMQ.MSGID data element for the Message ID field; column is Description as VarBinary 200; third column is Name as Binary 10.
- B. 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.
- C. 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.
- D. 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.
In the exhibit, a Funnel stage has two input links. Input 1 (Seq_File) comes from a SequentialFile with "Readers per Node" set to "2". Input 2 (Dataset) comes from a dataset created with 3 partitions. With the Funnel stage, the funnel type is set to "Sequence". The parallel configuration file contains three nodes.
How many instances of the Funnel stage run in parallel?
- A. 2
- B. 3
- C. 6
- D. 1
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