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EMC Isilon Solutions and Design Specialist Exam for Technology Architects (E20-555中文版) Sample Questions:

1. 潛在客戶需要 800 TB 的可用容量來儲存其健康診所網路的醫學影像。IT 部門人員有限，目前管理其他供應商的四個儲存陣列。在與 IT 總監會面時，您了解到該公司正在考慮使用 EMC 競爭對手提供的解決方案，使用兩個現有陣列和兩個新陣列。
Isilon 的哪些功能可以為客戶帶來更好的投資報酬率？

A) 與傳統的叢集檔案系統解決方案相比，Isilon 的檔案系統開銷減少了6%-12%。透過單一檔案系統以及用於磁碟機和節點故障的虛擬容量，Isilon 使用率通常為80%或更高。Isilon 利用率通常為80% 或更高由於使用單一檔案系統以及磁碟機和節點故障的虛擬容量。
B) Isilon 的開銷比傳統叢集檔案系統低15%-20%。根據IDC 研究，Isilon 利用率比傳統競爭對手高出近50%。Isilon QOS 空間和多個節點池可確保高達80% 利用率時的一致性能。
C) 使用單一檔案系統以及用於磁碟機和節點故障的虛擬容量，Isilon 利用率通常為80% 或更高。OneFS 壓縮可在叢集內產生更高的有效容量。與傳統叢集檔案系統相比，傳統群集檔案系統需要4%-10% 的內部開銷Isilon 虛擬容量。
D) 前向糾錯開銷比傳統RAID 低7%。Isilon 的檔案系統開銷比傳統叢集檔案系統解決方案低6%-12%。根據IDC 研究，與傳統競爭對手相比，Isilon 將IT 生產力提高了近50% 。

2. Isilon 叢集中 N+2 保護的最小節點數是多少？

A) 3
B) 6
C) 9
D) 5

3. 客戶正在規劃 Isilon 部署以與其 Hadoop 環境一起使用。使用 Isilon 作為 HDFS 層的優點是什麼？

A) 將儲存整合到 Hadoop 運算中以獲得更大的靈活性
B) 提供對資料的單一協定訪問
C) 有利於運算和儲存節點的獨立擴展
D) 允許運算節點應用資料保護

4. 您第一次見到客戶。他們解釋說，他們目前的 NAS 環境無法滿足他們的需求。您需要確保 Isilon 能夠很好地滿足他們的需求。
什麼是好的資格預審問題？

A) 哪些應用程式存取此儲存？
B) 您是否使用 KVM 來存取您的儲存空間？
C) 您的資料中心有什麼類型的機架？
D) 您的客戶有幾個網路卡？

5. 客戶有兩個 Isilon 集群。叢集 1 有 8 個 H500 節點，叢集 2 有 12 個 H500 節點。客戶需要能夠監控叢集的即時效能數據並追蹤文件成長。
應推薦哪種支援的工具？

A) 數據洞察
B) 宇宙球
C) ISI 統計數據
D) InsightIQ

Solutions: