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IBM A2090-303 考試概覽:
| 認證廠商: | IBM |
|---|---|
| 考試名稱: | IBM InfoSphere DataStage v9.1 評量測驗 A2090-303 |
| 考試代碼: | A2090-303 |
| 考試形式: | 選擇題, 情境導向題型 |
| 支援語言: | English |
| 相關認證: | IBM 認證解決方案開發人員 - InfoSphere DataStage |
| 考試時間: | 75 分鐘 |
| 範例考題: | IBM A2090-303 範例考題 |
| 考試方式: | 透過 Pearson VUE 或授權考試中心舉行的線上監考測驗 |
| 必備條件: | 建議具備 ETL 概念與資料倉儲的基礎知識。 |
IBM A2090-303 考試大綱主題:
| 章節 | 目標 |
|---|---|
| 主題 1: 管理與部署 | - DataStage 作業的監控與問題排除 - 專案部署與環境管理 |
| 主題 2: DataStage 基礎知識 | - IBM InfoSphere DataStage 的架構與元件 - 平行處理概念與架構 |
| 主題 3: 作業設計與開發 | - 設計伺服器作業與平行作業 - 作業序列與控制流程 |
| 主題 4: 階段元件與資料轉換 | - 常用階段元件（Transformer、Lookup、Join、Aggregator） - 資料轉換與對應技術 |
| 主題 5: 效能調校與最佳化 | - 資源管理與最佳化策略 - 平行作業效能調校技術 |
| 主題 6: 資料整合與品質管理 | - 資料清理與驗證概念 - 異質資料來源的處理方式 |
最新的 IBM Certified Solution Developer A2090-303 免費考試真題：
問題 #1
The parallel framework was extended for real-time applications. Identify two of these aspects. (Choose two.)
- A. End-of-wave.
- B. Real-time stage types that keep jobs always up and running.
- C. Real-time stage types that re-run jobs.
- D. Support for transactions within source database connector stages.
- E. XML stage.
答案：A,B 🗳️
問題 #2
問題 #3
You are using the Complex Flat File stage as a source in your job. What are two types of data specifically supported by the Complex Flat File stage for your job? (Choose two.)
- A. Mainframe data sets with VSAM files.
- B. Data from files that contain Hadoop record types.
- C. Mainframe data files with DB2 tables.
- D. XML files.
- E. Data from flat files that contain multiple record types.
答案：A,E 🗳️
問題 #4
Identify the two statements that are true about the functionality of the XML Pack 3.0. (Choose two.)
- A. XML Stage can be found in the Database folder on the palette.
- B. XML Stages are Plug-in stages.
- C. It includes the XML Input, XML Output, and XML Transformer stages.
- D. A single XML Stage, which can be used as a source, target, or transformation.
- E. Uses a unique custom GUI interface called the Assembly Editor.
答案：D,E 🗳️
問題 #5
In a Transformer expression for a stage variable, there is a nullable input column. Assume the legacy NULL processing option is turned off. What happens when a row is processed that contains NULL in that input column?
- A. The job aborts.
- B. The row is rejected.
- C. NULL is written to the stage variable.
- D. The value written to the stage variable is undetermined.
答案：C 🗳️
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我通過了 A2090-303 考試，特別感謝 VCESoft 網站，我當時很緊張，但是在那之后每件事都非常順利，所有的問題基本上都來自你們提供的資料。