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IBM InfoSphere DataStage v8.5 Sample Questions:

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".

2. What two data sources support direct lookups? (Select two)

A) ODBC
B) Oracle
C) SqIServer
D) Teradata
E) DB2

3. You are given a job requirement that requires calculations based on the latest currency exchange rate. You decide to invoke a Web service to obtain the latest exchange rate.
What are two ways that you can perform a Web service invocation in a DataStage job to obtain the latest exchange rate? (Select two)

A) Use Web Services Client stage as a lookup.
B) Use Web Services Transformer stage.
C) Call a Web Service using a DSRoutine inside the Parallel Transformer stage.
D) Use WISD Input stage.

4. You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.)

A) Set the "Number of Readers per Node" optional property to a value greater than 1.
B) Set the Execution Mode to the SequentialFile stage to "Parallel".
C) Set the "Read From Multiple Nodes" optional property to a value greater than 1.
D) Specify a node constraint for the SequentialFile stage.
E) Use an external Source stage.

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

Solutions: