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IBM 000-418 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Job Execution and Monitoring | 20% | - Resource management and parallelism - Running and scheduling jobs - Performance monitoring and tuning - Director client and job logs |
| Troubleshooting and Best Practices | 10% | - Migration and maintenance - Job optimization and standards - Error handling and debugging |
| Job Design and Development | 35% | - Data types and metadata handling - Stage usage: sources, transformations, targets - Lookups, references and constraints - Parallel and Server job design - Partitioning, collecting and sorting |
| Architecture and Environment | 20% | - Project setup and management - DataStage/Information Server architecture - Environment variables and configuration files - Installation and configuration |
| Administration and Security | 15% | - User roles and security configuration - Backup and recovery procedures - Repository management |
IBM Websphere Datastage V.8.0 Sample Questions:
1. 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 insure 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) Named Pipe stage
B) Sequential File stage
C) Data Set stage
D) Copy stage
2. Which two methods can be used for adding messages to a message handler? (Choose two.)
A) Import message handler from existing message handler dsx.
B) Use the add rule to message hander interface.
C) Type in the message rule by hand.
D) Drag and drop a message from the job log onto the message handler.
3. A DataStage job uses an Inner Join to combine data from two source parallel data sets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.)
A) Unset the Preserve Partitioning flag on the output of each parallel data set.
B) Add a parallel sort stage before each Join input, specifying the "Don't Sort, Previously Grouped" sort key mode for each key.
C) Explicitly specify hash partitioning and sorting on each input to the Join stage.
D) Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY.
4. A DataStage job is sourcing a flat file which contains a VARCHAR field. This field needs to be mapped to a target field which is a date. Which will accomplish this?
A) DataStage handles the type conversion automatically.
B) Use the TimestampFromDateTime function in a Transformer.
C) Use the Modify stage to perform the type conversion.
D) Use a Column Exporter to perform the type conversion.
5. Click the Exhibit button.
In the exhibit, data is being read from a Sequential File stage (Read_Selling_Group_Mapping) and written to a target Data Set stage (Write_Selling_Group_Mapping_Copy). All columns are being mapped source to target in the Copy stage. After the job is executed using a 2-node configuration file, you notice that the Data Set has only one partition. What are two actions that can be done to this job to ensure Data Set has two partitions? (Choose two.)
A) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".
B) Enable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "FALSE".
C) Disable Runtime Column Propagation (RCP) and set "Force" option in the Data Set stage to "TRUE".
D) Disable Runtime Column Propagation (RCP) and set "Force" option in the Copy stage to "TRUE".
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,C | Question # 3 Answer: B,D | Question # 4 Answer: C | Question # 5 Answer: A,D |


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