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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Transformer stage
B) Switch stage
C) Filter stage
D) Split Vector stage

2. A customer must compare a date column with a job parameter date to determine which output links the row belongs on. What stage should be used for this requirement?

A) Transformer stage
B) Switch stage
C) Filter stage
D) Compare stage

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 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.
B) On the Input Link format tab, specify the null values in double quotes separated by a comma 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 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.

4. You are asked by your customer to collect partition level runtime meta-data for DataStage Parallel jobs. You must collect this data after each job completes. What two options allow you to automatically save row counts and CPU time for each instance of an operator? (Select two)

A) $APT_PERFORMANCE_DATA
B) Enable the job property "Record job performance data".
C) Enable the job property "Log report messages after each job run".
D) $APT_PM_PLAYER_TIMINGS

5. You have a DataStage job on SMP environment. It contains an input sequential file, a Modify stage, followed by a Transformer stage, and an output Sequential File stage. The job is run with three nodes. The engine uses all default settings. How many processes will this job create?

A) 9
B) 12
C) 19
D) 16

Solutions:

Question # 1
Answer: C

Question # 2
Answer: A

Question # 3
Answer: D

Question # 4
Answer: C,D

Question # 5
Answer: A