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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

Question 1

Rows of data going into a Transformer stage are sorted and hash partitioned by the Input.Product column. Using stage variables, how can you determine when a new row is the first of a new group of Product rows?

A. Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".
B. Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".
C. Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO".
D. Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".

Question 2

You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A. You can create a sequencer to re-compile all of the routines using this shared container.
B. Use usage analysis and multi-compile to re-compile job using this shared container.
C. Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
D. Jobs using this parallel shared container need to be re-compiled.

Question 3

How is DataStage Table Metadata shared among DataStage projects?

A. Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
B. DataStage Tables cannot be shared between projects.
C. Export DataStage Table Definitions from one project and importing them into another project.
D. Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
E. Import another copy of the table metadata into the project where it is required.

Question 4

You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)

A. Information Analyzer Data Administrator
B. Suite User role
C. DataStage super operator
D. DataStage Developer

Question 5

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

Solutions: