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IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which statement is true about buffering?

A) The framework uses /tmp by default for buffering on Unix systems.
B) The "buffer" scratch disk pool needs to be defined to allow the framework to perform data buffering.
C) In a clustered environment, using a disk space on an NFS mount for buffering improves performance.
D) The buffer operator uses both memory and disk storage.

2. In the job fragment shown in the exhibit, the data going into the target Sequential File stage needs to be sorted by postal code. The Sort stage accomplishes this by running in Sequential mode and sorting by postal code. You have been asked to improve the performance of the job with a 4-node configuration file.

Which two changes will improve the performance of the job? (Choose two.)

A) Change the mode of the existing Sort stage to parallel mode; continue to sort by postal code. In the target Sequential File stage choose the SortMerge collector.
B) Move the Sort stage in front of the Filter stage, so that the sort is performed earlier in the job.
C) Eliminate the existing Sort stage; define an in-stage sort in the Filter stage, sorting by postal code. In the target Sequential File stage choose the SortMerge collector.
D) Add a second Sort stage just before the existing Sort stage; run the new stage in parallel mode sorting by postal code.

3. What are two ways to specify a stylesheet in an XML input stage? (Choose two.)

A) On the output link advanced properties tab, load the content or path of a stylesheet that is stored on the engine tier host.
B) On the output link columns properties tab, identify an input column that contains the stylesheet URL.
C) On the output link columns properties tab, type the stylesheet in the XLST box.
D) On the output link advanced properties tab, type the stylesheet in the Stylesheet box.

4. A customer requests you to configure a Sequential File stage in a clustered environment. The stage must read a varying number of files each run in a single pass and append the name of the file the row was read from when an error occurs. What three steps are required to achieve this? (Select three)

A) Specify a file pattern option along with a file name mask that captures entire file list.
B) Specify multiple "File" properties.
C) Set environment variable $APT_SEQ_FILE_INCL_FILENAMES.
D) Specify File Name Column property.
E) Set environment variable $APT_IMPORT_PATTERN_USES_FILESET.

5. Your customer is using Source Code Control Integration for Information server and have tagged artifacts for version 1. You must create a deployment package from the version 1.
Before you create the package you will have to ensure the project is up to date with version 1.
What two things must you do to update the meta-data repository with the artifacts tagged as version 1? (Select two)

A) Right-click the asset and click the Team Import command.
B) Right-click the asset and click Replace From Source Control Workspace.
C) Right-click the asset and click the Deploy command.
D) Right-click the asset and click the Team command to update the Source Control Workspace with the asset.

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