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| Certification Vendor: | IBM |
| Exam Name: | IBM InfoSphere DataStage v8.0.x Application Development |
| Exam Number: | C2090-418 |
| Available Languages: | English |
| Related Certifications: | IBM Certified Solution Developer - InfoSphere DataStage |
| Recommended Training: | IBM Training - DataStage Courses |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Exams |
| Sample Questions: | IBM C2090-418 Sample Questions |
| Exam Way: | Computer-based proctored exam (typically via Pearson VUE) |
| Pre Condition: | Recommended experience with IBM InfoSphere DataStage and ETL concepts |
| Official Syllabus URL: | https://www.ibm.com/certify |
| Section | Objectives |
|---|---|
| Topic 1: Performance Tuning and Optimization | - Partitioning and parallelism - Memory and buffer optimization |
| Topic 2: Job Design and Development | - Sequential and parallel jobs - Stages and transformers - Job sequencing and control flow |
| Topic 3: Error Handling and Debugging | - Reject handling and data quality checks - Job log analysis |
| Topic 4: Data Integration and Connectivity | - File stages and data sources - Database connectivity (ODBC, JDBC) |
| Topic 5: DataStage Architecture and Components | - Client and server architecture - Parallel processing framework - Project and repository structure |
1. You are assigned to write a job which reads a sequential file, applies business logic, and writes the results to one or more flat-files. However, the number and names of the input columns may vary from one input file to the next. You are guaranteed that a core set of columns required to perform the business logic will always be present, though not necessarily in the same place on the input record. Which two features would you use to build this job? (Choose two.)
A) $APT_EXPORT_INCLUDE_SCHEMA
B) Data Set
C) Runtime Column Propagation
D) Schema File
2. Records in a source file must be copied to multiple output streams for further processing. Which two conditions would require the use of a Transformer stage instead of a Copy stage? (Choose two.)
A) Copying all records to all output streams
B) Dropping one or more columns of data
C) Combining data from multiple columns into one column
D) Copying certain records to certain output streams
3. Which two statements describe both File Sets and Data Sets? (Choose two.)
A) File and Data Sets contain header file and data files.
B) File and Data Sets are stored in internal format.
C) File and Data Sets are readable by external applications.
D) File and Data Sets preserve partitioning.
4. Which two properties can be set to read a fixed width sequential file in parallel? (Choose two.)
A) Set the "Number of Readers Per Node" optional property to a value greater than 1.
B) Set Read Method to "File Pattern".
C) Set the Execution mode to "Parallel".
D) Set the "Read from Multiple Nodes" optional property to a value greater than 1.
5. Which two steps are required to change from a normal lookup to a sparse lookup in an ODBC Enterprise stage? (Choose two.)
A) Sort the data on the reference link.
B) Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*).
C) Change the lookup option in the stage properties to "Sparse".
D) Establish a relationship between the key field column in the source stage with the database table field.
Solutions:
| Question # 1 Answer: C,D | Question # 2 Answer: C,D | Question # 3 Answer: A,D | Question # 4 Answer: A,D | Question # 5 Answer: C,D |
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