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IBM C2090-418 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Job Execution and Administration | - Administration tasks
|
| Topic 2: Metadata and Repository Management | - Metadata management
|
| Topic 3: Parallel Processing | - Parallel framework
|
| Topic 4: Deployment and Troubleshooting | - Deployment management
|
| Topic 5: Data Extraction and Transformation | - ETL implementation
|
| Topic 6: IBM WebSphere DataStage Architecture | - DataStage components and architecture
|
| Topic 7: Job Design and Development | - Creating DataStage jobs
|
IBM Websphere Datastage V.8.0 Sample Questions:
1. What are two tasks that can create DataStage projects? (Choose two.)
A) Install the DataStage engine.
B) Create a project in the IBM Information Server Console.
C) Add new projects from DataStage Administrator.
D) Export and import a DataStage project from DataStage Director.
2. What are three valid data types for "Calculation" Aggregation type in the Aggregator stage? (Choose three.)
A) Decimal
B) Varchar
C) Char
D) Integer
E) Date
3. You have developed a parallel job using best practices to include Copy stages as debugging placeholders. In the parallel job score for this job, you notice that some of the Copy stages are not being optimized out as you had expected. What are three reasons for this behavior? (Choose three.)
A) One Copy stage has multiple outputs.
B) The environment variable $APT_DISABLE_COPY_OPTIMIZATION has been set.
C) Runtime Column Propagation has been enabled on one or more of the Copy output links.
D) A non-default node pool was assigned to one of the Copy stages.
E) The "Force" property was set to "true" for one of the Copy stages.
4. Which three data types can the ODBC Enterprise stage handle? (Choose three.)
A) SQL_BIGINT
B) SQL_SMALLDATETIME
C) SQL_TIMESTAMP
D) SQL_CLOB
E) SQL_VARBINARY
5. Click the Exhibit button.
The job shown in the exhibit combines data from 50 million parts and a 30,000 suppliers in the same Oracle instance, writing the 50 million output rows to a single target DB2 database. Which two changes can be made to improve performance of the given job design? (Choose two.)
A) Replace the target DB2 Enterprise stage with a DB2 API stage.
B) Replace the Oracle Enterprise stages with Oracle API stages.
C) Replace the two source Oracle stages and Join with a single Oracle stage using a SQL join between the two tables.
D) Replace the Join stage with a Lookup stage.
Solutions:
| Question # 1 Answer: A,C | Question # 2 Answer: A,D,E | Question # 3 Answer: A,D,E | Question # 4 Answer: A,C,E | Question # 5 Answer: C,D |
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