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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Integration | - Connectivity to data sources and targets - Data transformation techniques |
| Topic 2: Performance Optimization | - Parallel processing optimization - Job tuning and bottleneck analysis |
| Topic 3: InfoSphere DataStage Architecture | - Components (Designer, Director, Administrator) - Server and Parallel Job Architecture |
| Topic 4: Administration and Troubleshooting | - Error handling and recovery - Job monitoring and logging |
| Topic 5: Job Development | - Job sequences and control logic - Parallel job design principles - Stages and transformers usage |
IBM InfoSphere DataStage v8.5 Sample Questions:
In a file defining a partial schema, which three properties define the record? (Choose three.)
- A. text
- B. record_length
- C. intact
- D. record_delim_string
- E. delim
Correct Answer: B,C,D 🗳️
In your DB2 database you have column names that use characters # and $. Which two steps should be completed to allow DataStage to convert these characters into internal format and back as necessary? (Select two)
- A. Set environment variable $DS_ENABLE_RESERVED_CHAR_CONVERT to true.
- B. Avoid using the strings_035_and_036_in your IBM DB2 column names.
- C. Set environment variable $DS_ENABLE_RESERVED_NUM_CONVERT to true.
- D. Avoid using the strings_025_and_026_in your IBM DB2 column names.
Correct Answer: A,B 🗳️
A client needs to process a flat file where a set of values in the import data columns should be treated as Null. What is the best way to handle multiple Null values using a Sequential File stage?
- A. On the Input Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Click here to input option.
- B. On the Output Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
- C. On the Output Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property.
- D. On the Input Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
Correct Answer: C 🗳️
You are working on a project that contains a large number of jobs contained in many folders. You would like to review the jobs created by the former developer of the project. How can you find these jobs?
- A. Use the Advanced Find feature contained in the Designer interface.
- B. Filter jobs in Director Client's Repository window.
- C. While selecting the top folder in the project, choose Find Dependencies.
- D. Sort the jobs by date in the Repository window.
Correct Answer: A 🗳️
The result of a performance review for one of your job designs indicated this job needs to be split into two separate jobs. You also have been given the requirement to ensure you maintain parallelism (no re-partitioning) between these two new jobs.
Which single stage should you consider to accomplish maintaining parallelism and not introduce re-partitioning between these related jobs?
- A. Data Set stage
- B. Named Pipe stage
- C. Sequential File stage
- D. Copy stage
Correct Answer: C 🗳️
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