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

1. 客戶有 10 個文件，每個文件大小為 10 MB。他們在源集群上為每個文件創建了兩個克隆。他們現在想要使用 SyncIQ 將原始檔案和克隆檔案複製到目標叢集。
排除保護開銷，這些檔案將在目標叢集上使用多少磁碟空間？

A) 600 MB
B) 200 MB
C) 100 MB
D) 300 MB

2. 某客戶目前擁有 10 個 HPC 節點。他們計劃購買一個 5 節點 Isilon X400 集群，用於在 Linux 上運行的 HPC 應用程式。他們將透過 NFSv3 持久掛載 Isilon 集群。
哪種推薦配置可以滿足客戶對高可用性和吞吐量的要求？

A) 具有網路吞吐量連線平衡和動態尋址功能的 SmartConnect Advanced
B) 具有循環連線平衡和動態尋址功能的 SmartConnect Advanced
C) 具有循環連線平衡和動態尋址功能的 SmartConnect Basic
D) 具有循環連線平衡和靜態尋址功能的 SmartConnect Advanced

3. 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) 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。
C) 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。
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。

4. 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。
考慮到客戶的需求，哪種節點類型最適合Isilon叢集？

A) X200，每個節點配備 24GB RAM 和 1.2TB SSD
B) NL400，具有 48GB RAM，每個節點沒有 SSD
C) X400，每個節點配備 24GB RAM 和 1.6TB SSD
D) X400，具有 96GB RAM，每個節點沒有 SSD

5. 您的客戶正在從餐廳/酒吧業務模式轉向餐廳/賭場業務模式。您正在協助建立目前 4 節點 X200 48 TB Isilon 叢集的升級，其中 65% 用於視訊監控操作。
他們希望實現以下目標：
從 1280 x 720 解析度（保留 15 天）升級到 2048 x 1536 解析度（保留 30 天）。
為了滿足所需的更改且不超過原始容量的 70%，您需要添加的相同類型的節點的最小數量是多少？

A) 14 個節點
B) 18個節點
C) 6個節點
D) 10個節點

Solutions: