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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. What are two ways to specify a stylesheet in an XML input stage? (Choose two.)

A) On the output link columns properties tab, type the stylesheet in the XLST box.
B) On the output link advanced properties tab, load the content or path of a stylesheet that is stored on the engine tier host.
C) On the output link columns properties tab, identify an input column that contains the stylesheet URL.
D) On the output link advanced properties tab, type the stylesheet in the Stylesheet box.

2. You are setting up a clustered environment. Each node in the cluster has public and private network adapters. The private network uses fast Ethernet. Which two statements are true? (Select two)

A) Using the host names on the private network for 'fastname' makes better performance.
B) The client machines on the public network must use the host name for the engine on the private network to connect.
C) Host name alias is not allowed for conductor node.
D) You must use APT_PM_CONDUCTOR_HOSTNAME variable for optimal environment.

3. 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 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.
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) 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 each time you process a row for which the LastRow() function returns True.
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.

4. Which of the following describes a type two update in a Slowly Changing Dimensions (SCD) stage?

A) An update that replaces the existing column value if a specified condition is satisfied.
B) An update that retains the existing column value in a list and adds the new value to the list.
C) An update that overwrites the existing column value.
D) An update the retains the existing column value in an historical row and creates a new row with the new value.

5. Which Information Server client application must be used to manage project-level roles for DataStage?

A) Designer client
B) Director client
C) WebSphere Information Services Director
D) Web console for IBM Information Server

Solutions: