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

1. 6 F800 節點 Isilon 叢集擁有一個子網，其中包含兩個 IP 池，並具有來自「資料區」存取區中所有節點的 LACP 聚合 10GigE 介面。正在使用具有動態 IP 分配模式的“NFS-Pool”和具有靜態 IP 分配模式的“SMBPool”。
所有 Linux 用戶端都透過「NFS_Pool」使用 NFSv3 存取 Isilon 導出。所有 Windows 用戶端都透過「SMB_Pool」使用 SMBv3 存取 Isilon 共用。
客戶在部署Isilon時，為Isilon保留整個網路子網路。客戶面臨透過 Kerberized NFSv4 存取 Isilon 的新工作負載的效能問題。
為 NFSv4 用戶端建立新的 IP 池時有什麼建議？

A) 「資料區」存取區域中的靜態 IP 分配
B) 「資料區」存取區域中的動態 IP 分配
C) 「系統」存取區域中的動態 IP 分配
D) 「系統」存取區域中的靜態 IP 分配

2. 您客戶的站點使用舊的 X 系列集群，他們有興趣整合兩個主要工作流程。iostat 顯示其中一個應用程式對延遲敏感，而 isi 統計資訊顯示對磁碟回應時間敏感。大約有 1000 個使用者存取 70 TB 的文件資料。
您會推薦哪種節點類型？

A) NL400
B) S200
C) X400
D) X200

3. 使用 Isilon SnapshotIQ，可以在目錄層級建立多少個快照？

A) 1024
B) 8
C) 96
D) 256

4. 客戶在主集群上有一個包含 375 TB 資料的 SMB 檔案目錄，保護等級為 N+ 3:1。他們想要將此目錄複製到輔助集群。客戶希望了解有關在目標叢集上設定保護等級的可能性的資訊。
可以提供客戶哪些有關目標目錄保護等級的資訊？

A) 由 SyncIQ 控制且無法更改
B) 在目標集群上單獨配置，不需要匹配來源集群
C) 在目標叢集上單獨配置且必須與來源匹配
D) 由 SyncIQ 控制，可透過 CLI 更改

5. 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) 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% 。
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。

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