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IBM P2090-050 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Support | - Problem determination
|
| Topic 2: Installation and Configuration | - Deployment fundamentals
|
| Topic 3: Administration and Management | - System administration
|
| Topic 4: IBM PureData System for Analytics Overview | - Business value and use cases
|
| Topic 5: Security and Data Management | - Security fundamentals
|
| Topic 6: Performance and Optimization | - Performance management
|
| Topic 7: Architecture and Components | - System architecture
|
IBM PureData System for Analytics Technical Mastery Test v1 Sample Questions:
When is the ToplogyImbalance event triggered?
- A. When a SAS switch has failed.
- B. When an S-Blade has ownership of more dataslices than is optimal (usually following a disk replacement).
- C. When the path the path between an S-Blade and its disks has failed.
- D. When a disk enclosure's voltage sensor is reading outside the nominal range.
Correct Answer: B 🗳️
The simplest query execution plan file must have the following minimum nodes?
- A. ScanNode, RestrictNode, LimitNode, ReturnNode
- B. ScanNode, RestrictNode, AggregateNode, ReturnNode
- C. ScanNode, RestrictNode, ProjectNode, ReturnNode
- D. ScanNode, RestrictNode, HashNode, ReturnNode
Correct Answer: C 🗳️
Why is generating statistics on a table important to query performance?
- A. The table statistics are used to facilitate disk space reclamation of deleted rows.
- B. The optimizer uses statistics to determine the optimal execution plan for queries.
- C. The Zone Map information cross references the table statistics for each column to avoid scanning.
- D. The Field Programmable Gate Array (FPGA) utilizes the statistics to identify which row/columns to filter.
Correct Answer: B 🗳️
What is true about queries submitted on the PureData System for Analytics Appliance?
- A. Queries are compiled by the host and executed in parallel by the S-Blades.
- B. Queries are compressed by the host and optimized for parallel processing.
- C. Queries are uncompressed by the host and sent to the user.
- D. Queries are consolidated by the host and executed together in one block.
Correct Answer: A 🗳️
What is required to troubleshoot a query?
- A. nzdumpschema and the execution plan.
- B. nzevents and the pg.log.
- C. nzinventory and the dbos.log.
- D. nzsql and the ODBC config.
Correct Answer: A 🗳️
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