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

1. 哪些 Isilon 功能提供了使用不同節點類型和層建構叢集的能力，以滿足客戶的業務目標？

A) SnapshotIQ
Smartpools 是允許使用不同節點類型的授權功能。
B) 智慧池
C) 智慧連接
D) 智慧配額

2. 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) 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% 。
B) 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。
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) 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。

3. 一家電信公司擁有大量數據
A。這些數據是由其環境中的網路元素創建的。
該公司希望改變網路元素呼叫詳細記錄 (CDR) 的儲存和分析方式。現有的基礎設施將所有 CDR 合併到一個表格結構中，然後將它們提取到一個大型資料庫中。攝取後，查詢引擎將存取資料庫並對這些文件執行分析。系統正常運作；然而，由於生成的 CDR 數量將在明年呈指數級增長，因此該公司對儲存和分析這些記錄的替代方案持開放態度。
在評估替代方案時，關鍵要求是降低成本、儲存量和分析資料的時間。客戶希望使用 Hadoop 來分析 CDR。
對工作流程進行評估後，您建議在 Hadoop 環境中使用 Isilon 叢集。
將 Isilon 用於該客戶的 Hadoop 工作流程時，哪些協定最適合？

A) NDMP 和 SCP
B) SyncIQ 和 HTTP
C) NFS 和 HDFS
D) CIFS 和 FTP

4. 如果為 Isilon 上的 InsightIQ 資料儲存配置快照並將資料儲存還原到先前的快照，可能會產生什麼結果？

A) InsightIQ 資料儲存可能已損壞
B) 必須從快照手動複製 InsightIQ 資料庫
C) InsightIQ 資料儲存無法恢復
D) InsightIQ 將無法辨識資料庫的舊副本
不要使用 InsightIQ 資料儲存的快照。如果您還原 InsightIQ 資料儲存的快照或以任何方式修改資料儲存的內容，InsightIQ 資料儲存可能會損壞。

5. 一位建築師正在設計一個新的集群。此叢集包含H500節點，用於儲存2000個使用者的主目錄，A200節點用於儲存VMware虛擬機器的備份。
應使用哪些資料存取模式？

A) H500 節點的串流
A200 節點隨機
B) H500 節點的並發性
A200 節點的串流媒體
C) H500 節點的串流
A200 節點的並發性
D) H500節點隨機
A200 節點的串流媒體

Solutions: