IBM C2090-421 exam - in .pdf

C2090-421 pdf
  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • Q & A: 194 Questions and Answers
  • PDF Price: $59.99
  • PDF Demo

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  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • Q & A: 194 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
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IBM C2090-421 exam - Testing Engine

C2090-421 Testing Engine
  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • Q & A: 194 Questions and Answers
  • Software Price: $59.99
  • Testing Engine

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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
DataStage Architecture and Components- InfoSphere DataStage architecture overview
  • 1. Parallel vs server job architecture
    • 2. DataStage project structure and repositories
      Data Integration and Connectivity- Data sources and connectors
      • 1. Flat file and sequential file processing
        • 2. Database connectivity (ODBC, JDBC)
          Performance Tuning and Optimization- Parallel processing optimization
          • 1. Job tuning techniques
            • 2. Partitioning and parallelism settings
              Administration and Troubleshooting- Monitoring and debugging jobs
              • 1. Logging and error handling
                • 2. Job sequencing and control flow
                  Job Design and Development- Server jobs and parallel jobs design
                  • 1. Transformer stage usage
                    • 2. Stages and links configuration

                      IBM InfoSphere DataStage v8.5 Sample Questions:

                      1. You have a dataset hash-partitioned and sorted on CustID. You need to create a Sequential File sorted on CustID from this dataset. Which technique is the most appropriate?

                      A) Use SortMerge collector for the Sequential File input link.
                      B) Insert Sort stage before the final Sequential File stage and use Round Robin collector for the Sequential File stage input link.
                      C) Insert Sort stage before the final Sequential File stage and use Ordered collector for the Sequential File stage input link.
                      D) Use Copy stage.


                      2. Which three of the following actions are available when editing a message handler? (Select three)

                      A) Abort Job
                      B) Demote to informational
                      C) Demote to warning
                      D) Suppress from job log
                      E) Promote to warning


                      3. Configuring the weighting column of an Aggregator stage affects which three options. (Choose three.)

                      A) Sum of Weights
                      B) Corrected Sum of Squares
                      C) Percent Coefficient of Variation
                      D) Maximum Value
                      E) Sum


                      4. Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.)

                      A) Delete then insert
                      B) Insert then update
                      C) Join then update
                      D) Truncate then add
                      E) Update then insert


                      5. What would help debug the run-time environment?

                      A) $OSH_PRINT_SCHEMAS
                      B) Check the message filters for the job.
                      C) View detailed runtime stats through Job monitor in Director Client.
                      D) $APT_VERBOSE


                      Solutions:

                      Question # 1
                      Answer: A
                      Question # 2
                      Answer: B,D,E
                      Question # 3
                      Answer: A,C,E
                      Question # 4
                      Answer: A,B,E
                      Question # 5
                      Answer: A

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