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IBM InfoSphere DataStage v8.5 Sample Questions:

1. 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) XML Table Definitions
C) Web Service Function Definitions
D) Orchestrate Schema Definitions
E) Job Stage Column tab properties entered using "Load" feature

2. A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables?

A) two
B) three
C) five
D) four

3. Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

A) Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.
B) Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.
C) Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.
D) Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.

4. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)

A) Flag marking segment as valid or invalid.
B) Path names of all data files on all processing nodes.
C) Copy of the configuration file used when segment was created.
D) Schema of Data Set.
E) Statistical information such as number of records in the segment and number of bytes.

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) 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.
C) 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.
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 each time you process a row for which the LastRow() function returns True.

Solutions: