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IBM IBM Certified Solution Developer A2090-303 Assessment: IBM InfoSphere DataStage v9.1 Assessment Exams
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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
1. You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.
Which change will reduce the cost of partitioning that occurs in this job?
A) Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.
B) Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
C) Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
D) Use Entire partitioning on the input links to the Aggregator and Join stages.
2. The parallel framework supports standard and complex data types in the SQL type column tab property. Identify the two complex data types? (Choose two.)
A) Vector
B) Subrecord
C) Linked list
D) VarChar
E) Binary trees
3. The data going into the target Sequential Files stage is range-partitioned and sorted. Which technique method would be the most efficient to create a globally sorted target sequential file?
A) Select the Sort Merge collector method for the final Sequential File stage.
B) Select the Ordered collector method for the final Sequential File stage.
C) Select an in-stage sort in the final Sequential File stage.
D) Insert a Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
4. Which Oracle Connector stage property can be set to tune job performance?
A) Memory size
B) Partition size
C) Transaction size
D) Array size
5. What stage allows for more than one reject link?
A) Join stage
B) Merge stage
C) Lookup stage
D) Funnel stage
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,B | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B |
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