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IBM A2090-421 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM InfoSphere DataStage v8.5 Application Development |
| Exam Number: | A2090-421 |
| Available Languages: | English, Japanese |
| Certificate Validity Period: | 3 years (typical IBM certification validity for legacy exams) |
| Exam Duration: | 90-120 |
| Exam Price: | $200-250 USD (varies by region) |
| Real Exam Qty: | 60-70 |
| Exam Format: | Multiple choice, Scenario-based questions |
| Related Certifications: | IBM Certified Solution Developer - InfoSphere DataStage IBM InfoSphere Information Server Certification Track |
| Recommended Training: | IBM InfoSphere DataStage Training (official IBM courses) |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Certification Registration |
| Sample Questions: | IBM A2090-421 Sample Questions |
| Exam Way: | Proctored exam via Pearson VUE (online or test center) |
| Pre Condition: | Basic knowledge of ETL concepts and IBM InfoSphere Information Server is recommended |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Tuning and Optimization | - Parallel job optimization
|
| Topic 2: InfoSphere DataStage Architecture | - DataStage project structure
|
| Topic 3: Debugging and Troubleshooting | - Job monitoring
|
| Topic 4: Job Design and Development | - Stages and links
|
| Topic 5: Job Control and Sequences | - Sequence jobs
|
| Topic 6: Data Transformation and Processing | - Aggregation and sorting
|
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
1. What conditions are necessary for a master record and an update record to merge?
A) both records have the same values for the merge key column(s) that you specify
B) some of the columns in the input record match the columns in the update record
C) none of the columns in the input record match the columns in the update record
D) all of the columns in the input record match the columns in the update record
2. Which two statements are correct when using the Oracle Enterprise stage? (Choose two.)
A) Define variable $TNS_ADMIN to point to the tnsnames.ora file location.
B) DataStage Designer requires connectivity to the Oracle database during job development.
C) Add $ORACLE_HOME/bin to the $PATH and $ORACLE_HOME/lib to the $LIBPATH, $LD_LIBRARY_PATH, or $SHLIB_PATH.
D) $APT_ORCHHOME/bin must appear before $ORACLE_HOME/bin in the $PATH.
3. 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) Sort the jobs by date in the Repository window.
D) While selecting the top folder in the project, choose Find Dependencies.
4. What two stages are required to place Header and Detail records, which have different formats, into a single format? (Choose two.)
A) Column Export Stage
B) Column Import Stage
C) Funnel Stage
D) Combine Stage
5. The number of File Set data files created depends upon what three items? (Choose three.)
A) Number of physical processing nodes.
B) Number of disks in the export or default disk pool connected to each processing node in the default node pool
C) File system limitations.
D) Number of processing nodes in the default node pool.
E) Schema definition of the file.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C,D | Question # 3 Answer: A | Question # 4 Answer: A,C | Question # 5 Answer: B,C,D |
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