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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Connectivity and Data Sources | - File handling (sequential and complex files) - Database connectors and stages |
| Debugging and Administration | - Logging and error handling - Job monitoring and troubleshooting |
| Performance Tuning and Optimization | - Parallel job optimization techniques - Partitioning and parallelism strategies |
| DataStage Architecture and Concepts | - Parallel processing architecture - Server vs parallel jobs overview - InfoSphere DataStage components |
| Job Design and Development | - Data flow and job sequencing - Transformations and stages usage - Designing DataStage jobs |
IBM InfoSphere DataStage v8.5 Sample Questions:
1. What is the correct restructure stage to extract data from four input columns (three of which carry vectors) and output them into two columns with one vectors in a subrecord and the non-vector carrying column being passed through the stage?
A) Make Subrecord Stage
B) Column Import Stage
C) Split Subrecord Stage
D) Column Export Stage
2. You set environment variable $APT_ORACLE_LOAD_OPTIONS=PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables.You set environment variable $APT_ORACLE_LOAD_OPTIONS=?PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables. Which statement is accurate regarding the resulting effect of this environment variable setting?
A) Oracle load will fail when executed.
B) The Oracle load will run in parallel using simple direct path mode.
C) Oracle load will run in parallel and bypass DataStage Director.
D) The Oracle database stage will run in parallel using conventional path mode.
3. Which two statements are correct when using the Oracle Enterprise stage? (Choose two.)
A) $APT_ORCHHOME/bin must appear before $ORACLE_HOME/bin in the $PATH.
B) DataStage Designer requires connectivity to the Oracle database during job development.
C) Define variable $TNS_ADMIN to point to the tnsnames.ora file location.
D) Add $ORACLE_HOME/bin to the $PATH and $ORACLE_HOME/lib to the $LIBPATH, $LD_LIBRARY_PATH, or $SHLIB_PATH.
4. Which three environment variables are valid job score environment variables? (Select three)
A) APT_SAVE_SCORE
B) APT_DUMP_SCORE
C) APT_THIN_SCORE
D) APT_LOW_SCORE
E) APT JAVA SCORE
5. What are the three features of Information Server that allow you to deploy DataStage objects? (Select three)
A) Designer Client Export
B) dscc.exe
C) $APT_COPY_TRANSFORMER
D) Information Server Manager
E) istool
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A,D | Question # 4 Answer: A,B,D | Question # 5 Answer: B,D |








