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IBM C2090-421 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Parallel Architecture9%- Parallel execution and configuration files
- Node pools and parallel processing
- Data partitioning and collecting
Topic 2: Advanced Techniques10%- Environment variables and parameter sets
- Complex Flat File (CFF) stage
- Job deployment and packaging
Topic 3: Database Connectivity9%- Source and target database properties
- Database stage selection
- ODBC, DB2, Oracle integration
Topic 4: Metadata Management6%- Runtime Column Propagation (RCP)
- Import and share metadata
- Schema orchestration
Topic 5: Persistent Storage10%- Restructure and format stages
- Sequential files and file sets
- Data sets and file structures
Topic 6: Performance & Troubleshooting15%- Handle errors and rejects
- Partitioning and sorting optimization
- Monitor and log execution
Topic 7: Configuration6%- Install and configure InfoSphere DataStage v8.5
- Create and configure projects
- Understand architecture and components
Topic 8: Job Design & Development25%- Slowly Changing Dimensions (SCD)
- Lookup, Join, Merge, and Funnel stages
- Job sequences and parameterization
- Transformer and derivation logic

IBM InfoSphere DataStage v8.5 Sample Questions:

1. In which two situations would you use the Web Services Client stage? (Choose two.)

A) You need to create a WSDL.
B) You need the Web service to act as either a data source or a data target during an operation.
C) You want to deploy a service.
D) You do not need both input and output links in a single web service operation.


2. You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)

A) Information Analyzer Data Administrator
B) Suite User role
C) DataStage super operator
D) DataStage Developer


3. What two features enable a job with a Sequential File stage to read from sequential files with different numbers of columns and types? (Select two)

A) Runtime Column Propagation
B) Subrecord data type
C) Vector data type
D) Schema File property


4. You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)

A) Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
B) You can create a sequencer to re-compile all of the routines using this shared container.
C) Use usage analysis and multi-compile to re-compile job using this shared container.
D) Jobs using this parallel shared container need to be re-compiled.


5. Which two job design techniques can be used to provide unique names to sequential output files that are used in multi-instance jobs? (Select two)

A) Create the file name(s) from values contained in a value file.
B) Use the file name(s) from values contained in the data stream.
C) Prepend/append the Invocation ID to the file name.
D) Use parameters to identify file names.


Solutions:

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

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