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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?

A) Generate unique file names by using a macro.
B) Use a Transformer stage variable to generate the name.
C) Use DSJobInvocationID to generate a unique filename.
D) Use parameters to identify file names.

2. You are setting up the parallel engine configuration file. Which two statements are true about file system efficiency? (Select two)

A) Specify a directory for the resource disk in the partition where the engine is installed.
B) Creating scratch disk space on an internal disk improves sort performance than NFS drive.
C) Using multiple scratch spaces in a logical node improves performance.
D) In a clustered environment where NAS is used for a common storage, specify the internal disk for scratch disk.

3. A client needs to process a flat file where a set of values in the import data columns should be treated as Null. What is the best way to handle multiple Null values using a Sequential File stage?

A) On the Input Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
B) On the Output Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property.
C) On the Output Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
D) On the Input Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Click here to input option.

4. Which three of the following are valid options for the dsjob command? (Choose three.)

A) Setting an alias for a job
B) Compiling a job
C) Accessing log files
D) Stopping a job
E) Purging log files

5. What are three valid join operations for the Join stage? (Choose three.)

A) Inner Join
B) Bottom inner join
C) Top outer join
D) Right outer join
E) Left outer join

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