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

1. 一位客戶正在諮詢擴展由六個 S 系列節點組成的主集群以提高效能。他們有第二個集群，包含 11 個 X 系列節點。兩個叢集都使用 1GbE，但客戶最近安裝了可以使用的 10GbE 網路。他們的環境中還有多個光纖通道 SAN 陣列。
他們在每個叢集上都有各種工作負載，並且正在確定哪些工作負載屬於哪個叢集。他們發現其中一個工作負載（駐留在 X 系列節點叢集上的 SQL 資料庫）由於延遲而出現逾時。資料庫供應商建議將延遲限制為 5 毫秒或更短，以消除這些逾時。
您如何為客戶提供建議？

A) 考慮將資料從 Isilon 遷移到其 SAN 平台之一，或提出新的解決方案來處理 SQL 的效能要求。
B) 建議客戶考慮在他們購買的新節點中利用 SSD 和 GNA 來提高每個叢集的效能。
C) 將 S 系列節點和 X 系列節點合併到一個叢集中，將 1GbE 升級到 10GbE，並利用 SmartPools 允許叢集確定資料應駐留在何處。
D) 建議他們增加叢集中的 DRAM 數量或考慮加速器節點，以增加叢集中的快取數量。

2. 將節點安裝到 Dell EMC 機架時，哪種節點類型需要使用 Titan-HD 機架？

A) A2000
B) H500
C) F800
D) A200

3. 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) 您使用什麼應用程式來建立目錄？
B) 哪些協定正在存取您的 NAS？
C) 您的目錄服務中有多少使用者？
D) 您的資料中心符合 ISO9001 標準嗎？

4. 客戶正在 Isilon 和競爭對手的產品之間做出決定。他們目前擁有 100TB 的可用容量，並預計未來三年每年增長 100%，這將需要他們在同一地點的資料中心租用額外的空間。CFO 認為 ROI 和 TCO 是重要的決策標準。
哪一種說法最能強調 Isilon 對於該客戶的價值？

A) Isilon 的 OneFS 允許管理者管理比競爭產品大得多的容量。
B) 競爭對手無法提供橫向擴展 NAS，因此當容量增加到陣列時，效能可能會下降。
C) Isilon 的 OneFS 資料保護策略提供的開銷遠低於基於 RAID 的競爭 NAS 解決方案。
D) IDC 研究發現，與其他競爭對手相比，Isilon 每年所需的停機時間減少了 95%。

5. - 展示 -
一家研究醫院​​聘請我們協助升級他們的 Isilon 安裝。他們目前擁有 12 個上一代 Isilon 節點，容量為 200TB，並在 1Gbps 網路上運行。他們目前擁有 6 個 Illumina Hi-Seq 定序儀和一個 HPC 群集來處理資料。他們希望將 Isilon 擴展到 2PB 的活動資料和 1PB 的存檔資料。他們使用第三方資料和元資料管理服務 (IROD) 來暫存資料以進行分析。Isilon集群主要用於HPC集群的分析工作。
- 展示 -
客戶的預算有限。對於他們的活躍數據來說，性價比最好的解決方案是什麼？

A) 12 個 X 系列節點，無 SSD 驅動器和 24GB RAM
B) 14 個 NL 系列節點，具有 24GB RAM
C) 14 個 X 系列節點，無 SSD 硬碟和 96GB RAM
D) 17 個 X 系列節點，配備 SSD 硬碟和 48GB RAM。

Solutions: