IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment : A2090-303 exam

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IBM A2090-303 Exam Syllabus Topics:

IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. Which two environment variables add additional reporting information in the job log for DataStage jobs? (Choose two.)

A) $APT_PM_STARTUP_CONCURRENCY
B) $APT_EXPORT_FLUSH_COUNT
C) $APT_IO_MAP
D) $APT_STARTUP_STATUS
E) $OSH_EXPLAIN

2. A customer must compare a date column with a job parameter date to determine which output links the row belongs on. What stage should be used for this requirement?

A) Switch stage
B) Transformer stage
C) Compare stage
D) Filter stage

3. Each row contains the CustID, ProductID, ProductType and TotalAmount columns. You want to retain the record with the largest value in the TotalAmount column for each CustID and ProductType using a RemoveDuplicates stage. How can this be accomplished?

A) Hash-partition on ProductType. Sort on ProductType, CustID and TotalAmount.
B) Hash-partition on TotalAmount. Sort on CustID, ProductType and TotalAmount.
C) Hash-partition on CustID. Sort on CustID, ProductType and TotalAmount.
D) Hash-partition on CustID, ProductType and TotalAmount. Sort on CustID, ProductType and TotalAmount.

4. Which two data repositories can be used for user authentication within the Information Server Suite? (Choose two.)

A) Operations Console database
B) IIS Web Console
C) IBM Metadata repository
D) Standalone LDAP registry
E) IBM Information Server user directory

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 technique will enable you to retrieve the sum of the last group?

A) Output the sum that you generated each time you process a row for which the LastRow()
function returns True.
B) 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.
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 FirstRow()
function to determine when the 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.

Solutions: