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IBM

000-421

IBM Certified Solution Developer - InfoSphere DataStage v8.5

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Question: 1 You have a job that reads in Sequential File followed by a Transformer stage. When you run this job, which partitioning method will be used by default? A. Hash B. Same C. Random D. Round Robin

Answer: D Question: 2 Which two statements are true about the use of named node pools? (Choose two.) A. Named node pools can allow separation of buffering from sorting disks. B. Clustered environments must have named node pools for data processing. C. Using appropriately named node pools forces DataStage to use named pipes between stages. D. Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.

Answer: AD Question: 3 You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.) A. The full job description can be identified within the Description Annotation stage. B. The background for the Description Annotation stage can be changed for each unique stage. C. The Description Annotation stage contains both the short and full descriptions for the job. D. The Description Annotation stage can be added several times at different locations to identify business logic.

Answer: AC

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Question: 4 You have run ten instances of the same job the previous evening. You want to examine the job logs for all instances but can only find five of them. How can you avoid this in the future for this job? A. Change the Auto-purge settings in Administrator. B. Change the Auto-purge settings for the job in Director. C. Set the $APT_AUTOPURGE_LOG environment variable to False. D. Set the $APT_AUTOLOG_PURGE environment variable to False.

Answer: B Question: 5 A customer is complaining of poor performance from the job shown in the exhibit, which aggregates and joins on ZIP code. Currently all partitioning is set to “Auto� and sort/partition insertion is llowed.

What would give the best performance improvement for the job? A. Hash partition and sort on ZIP code on the input links to the Aggregator and Join stages. B. Hash partition and sort on ZIP code prior to the Copy stage, and use same partitioning on the Aggregator and Join stages. C. Use same partitioning on all input links in the job; create the input data set by hash-partitioning its input on ZIP code. D. Hash partition and sort on ZIP code prior to the Copy stage and use entire partitioning on the output of the Aggregator stage.

Answer: B

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IBM

000-421

IBM Certified Solution Developer - InfoSphere DataStage v8.5

Click the link below to buy full version as Low as $25

http://www.examkill.com/000-421.html

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IBM Certified Solution Developer - InfoSphere DataStage v8.5