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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements are true regarding access to a MQ queue? (Choose two.)

A) MQ stage and MQ connector stages support destructive reads.
B) MQ stage connects to a queue manager in Client mode only.
C) MQ connector stage is capable of connecting to Queue manager in both Server and Client mode.
D) MQ plugin stage can be used to read and write messages from a remote MQ message queue.

2. Which condition is required to use the LastRowInGroup() function to determine a key break on a field?

A) The input data has to be sorted by the key field, but it is not required that DataStage be able to detect this. For example, the input data might be sorted before it is input to the job. (However, the job will abort at runtime if the data isn't sorted.)
B) The LastRowInGroup() function requires the data to be grouped by the key field, but the data does not have to be sorted.
C) The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted, for example, by the presence of a Sort stage.
D) The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort.

3. You are responsible for managing job changes for you project team. You must update the source code repository through Eclipse Team source code integration whenever a developer notifies you of an asset change.
What two tasks allow you to update the source code repository with the changed asset? (Select two)

A) Right-click the asset and click the Deploy command
B) Right-click the asset and click the Team command to commit the artifact to the source control system.
C) Right-click the asset and click the Build command
D) Right-click the asset and click the Send to Source Control Work Space.

4. A 100MB input dataset has even distribution across 400 unique key values.
When run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Select two)

A) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
B) Alter the Sort stage properties to perform a stable sort.
C) Convert all numeric fields to varchars.
D) Specify Round Robin partitioning on the input link to the Sort stage.
E) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M

5. What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)

A) Sequential files don't require schema files when using RCP.
B) Only columns that are defined as VarChar need RCP enabled.
C) RCP is not a feature of DataStage.
D) Columns not specifically used in the flow are propagated as if they were.
E) Only columns used in the data flow need to be defined.

Solutions: