Breathing of C2090-303 book materials and study guides for IBM certification for consumer, Real Success Guaranteed with Updated C2090-303 pdf dumps vce Materials. 100% PASS IBM InfoSphere DataStage v9.1 exam Today!
2021 May C2090-303 Study Guide Questions:
Q51. - (Topic 1)
The data going into the target Sequential Files stage is range-partitioned and sorted. Whichtechnique method would be the most efficient to create a globally sorted target sequential file?
A. Select an in-stage sort in the final Sequential File stage.
B. Select the Ordered collector method for the final Sequential File stage.
C. Select the Sort Merge collector method for the final Sequential File stage.
D. Insert a Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
Answer: B
Q52. - (Topic 1)
What two binding types are supported by Information Services Director (ISD) for a parallel job that is designed to be used as a service? (Choose two.)
A. EJB
B. SQL
C. HDFS
D. SOAP
E. STREAMS
Answer: A,D
Q53. - (Topic 1)
A job validates account numbers with areference file using a Join stage, which is hash partitioned by account number. Runtime monitoring reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance ofthe job?
A. Replace the Join with a Merge stage.
B. Change the number of nodes in the configuration file.
C. Add a Sort stage in front of the Join stage. Sort by account number.
D. Use Round Robin partitioning on the stream and Entire partitioning on the reference.
Answer: B
Abreast of the times C2090-303 free question:
Q54. - (Topic 2)
Which two statements about using aLoad write method in an Oracle Connector stage to tables that have indexes on them are true? (Choose two.)
A. Set the Upsert mode property to "Index".
B. Set the Index mode property to "Bypass".
C. The Load Write method uses the Parallel Direct Path loadmethod.
D. The Load Write method uses "Rebuild" mode with no logging automatically.
E. Set the environment variable APT_ORACLE_LOAD_OPTIONS to "OPTIONS (DIRECT=TRUE, PARALLEL=FALSE)".
Answer: C,E
Q55. - (Topic 1)
Which two statements are true about the use of named node pools? (Choose two.)
A. Grid environments must have named node pools for data processing.
B. Named node pools can allow separation of buffering from sorting disks.
C. When named node pools are used, DataStage uses named pipes between stages.
D. Named node pools limit the total number of partitions that can be specified in the configuration file.
E. Named node pools constraints will limit stages to be executed only on thenodes defined in the node pools.
Answer: B,E
Q56. - (Topic 1)
When using Runtime Column Propagation, which two stages require a schema file? (Choose two.)
A. Peek stage
B. Pivot stage
C. Column Import stage
D. DB2 Connector stage
E. Sequential File stage
Answer: C,E
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Q57. - (Topic 1)
In the Slowly Changing Dimension stage, a dimension columns Purpose code property can trigger which two actions. (Choose two.)
A. Update fact table keys.
B. Detect dimension changes.
C. Update the dimension table.
D. Insert rows into the fact table.
E. Delete duplicate dimension table rows.
Answer: B,C
Q58. - (Topic 1)
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 mustyou do to update the meta-data repository with the artifacts tagged as version 1? (Choose two.)
A. Right-click the asset and click the Deploy command.
B. Right-click the asset and click the Team Import command.
C. Right-click the asset and click Update From Source Control Workspace.
D. Right-click the asset and click Replace From Source Control Workspace.
E. Right-click the asset and click the Team command to update the Source Control Workspace with the asset.
Answer: D,E
Q59. - (Topic 1)
How is DataStage table metadata shared among DataStage projects?
A. Import another copy of the table metadata into the project where it is required.
B. Use the "Shared Table Creation Wizard" to place the table in the shared repository.
C. Export DataStage table definitions from one project and importing them into another project.
D. Use the InfoSphere Metadata Asset Manager (IMAM) to move the DataStage table definition to the projects where it is needed.
Answer: B
Q60. - (Topic 1)
Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?
A. Use parameters to identify file names.
B. Generate unique file namesby using a macro.
C. Use DSJoblnvocationID to generate a unique filename.
D. Use a Transformer stage variable to generate the name.
Answer: A