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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two of the following derivations for an output column named OutCol can be used to generate a unique sequence of integers across multiple partitions?

A) @PARTITIONNUM + @NUMPARTITIONS
B) 1 + @NUMPARTITIONS * @INROWNUM
C) @INROWNUM
D) NextSurrogateKey()

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

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

3. A 100MB input dataset has even distribution across 400 unique key values.
When run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Select two)

A) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
B) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
C) Specify Round Robin partitioning on the input link to the Sort stage.
D) Convert all numeric fields to varchars.
E) Alter the Sort stage properties to perform a stable sort.

4. Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)

A) XML Table Definitions
B) Orchestrate Schema Definitions
C) Web Service Function Definitions
D) Job Stage Column tab properties entered using "Load" feature
E) Web Services WSDL Definitions

5. In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column?

A) NULL is written to the stage variable.
B) The value written to the stage variable is undetermined.
C) The row is rejected.
D) The job aborts.

Solutions: