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IBM InfoSphere DataStage v8.5 Sample Questions:
1. 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) 6
C) 3
D) 1
2. Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)
A) Web Services WSDL Definitions
B) Job Stage Column tab properties entered using "Load" feature
C) Web Service Function Definitions
D) XML Table Definitions
E) Orchestrate Schema Definitions
3. Which Oracle Enterprise stage read property can be set using -dboptions to tune job performance?
A) partitionsize
B) arraysize
C) transactsize
D) memsize
4. What is the correct method to process a file containing multiple record types using a Complex Flat File stage?
A) Define record definitions on the Constraints tab of the Complex Flat File stage.
B) Use a Modify stage to convert the output array from the Complex Flat File to a subrecord.
C) Manually break the file into multiple files by record type.
D) Define record ID constraints on the Records ID tab of the Complex Flat File stage.
5. You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.)
A) Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
B) Output the sum that you generated each time you process a row for which the LastRow() function returns True.
C) Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column.
D) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
E) Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,C,D | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: A,C,E |

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