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IBM 000-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

Question 1

You have a job that reads in Sequential File followed by a Transformer stage. When you run this job, which partitioning method will be used by default?

A. Random
B. Round Robin
C. Same
D. Hash

Question 2

What three types of links are supported by the Lookup Stage? (Select three)

A. A single output link
B. A reference link
C. A single input link
D. Multiple Input Links
E. Multiple reject links

Question 3

You are responsible for the projects Source Code Repository. When a developer notifies you that changes are ready to deploy you must first check them in. You will use the Information Server Source Code integration features to check in the changed assets. How will you identify the DataStage assets the developer modified in order to send them to the workspace?

A. From Information Server Manager use Search with advanced options, specify a date modified and the developer's user name in the Modified by fields.
B. Use Designer client Advanced Find, specify a modification date and the developer's username in the Modified by fields.
C. From the Information Server Manager Select the project then right-click on Synchronize with source code control system.
D. From the workspace perspective select the project Right-click then Refresh from repository, specify a modification date and the developer's username in the Modified by fields.

Question 4

You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate?

A. Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.
B. Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link.
C. Use SortMerge collector for the Sequential File input link.
D. Use Copy stage.

Question 5

Input rows to a Transformer contain a product name field and a field with a list of colors the product can be ordered with. The colors are separated by the pipe character (|). Here is an example of an input row: "Shirt"| ....| "Red, Blue, Black"|... For each input row, you want to output multiple output rows, one for each color in the list. For the above example input row, three rows are to be output, one per color: "Shirt" ... "Red", "Shirt" ... "Blue", "Shirt" ... "Black".
Which three operations will you need to accomplish this? (Choose three.)

A. Use the SaveInputRecord() to save the input row for processing in the loop. Use the GetInputRecord() to extract the row for each iteration of the loop.
B. Use the @ITERATION variable to determine which color in the ColorList field to extract using the Field function.
C. Use the LastRowInGroup() function to determine when the last color in the color list has been processed.
D. Specify the following loop condition: @ITERATION <= n, where n is a stage variable initialized with number of loop iterations.
E. Use the Count() function over the ColorList field to determine the number of loop iterations.

Solutions: