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EMC Isilon Solutions and Design Specialist Exam for Technology Architects (E20-555中文版) Sample Questions:
1. 客戶擁有一個包含 16 個 A200 節點的叢集。由於最近和預測的成長,他們決定將叢集擴展為額外的 24 個 A200 節點。
當所有節點都加入叢集時,叢集上將存在多少個鄰居?
A) 1
B) 2
C) 4
D) 6
2. 您的客戶有多個部門希望單獨存取集群,以便他們可以使用各自的身份驗證方法。其中兩個部門將使用 NFS,另外兩個部門將使用 SMB 來存取叢集。
你會推薦什麼?
A) 為 SMB 用戶端建立兩個單獨的存取區域,並為 NFS 用戶端使用系統區域。
B) 為 NFS 用戶端建立兩個單獨的存取區域,並為 SMB 用戶端使用系統區域。
C) 讓所有客戶端存取System區域,並使用RBAC來控制身份驗證。
D) 為 SMB 和 NFS 用戶端建立單獨的存取區域。
3. 一家媒體和娛樂公司正在考慮從 2K 解析度更改為 4K 解析度。他們將繼續使用 DNxHD 220 編解碼器。
假設其他一切保持不變,這項變更將如何影響儲存?
A) 儲存空間將增加兩倍
B) 儲存空間將增加四倍
C) 儲存空間將減少一半
D) 儲存需求不會改變
4. 您正在為新客戶調整 Isilon 群集的大小。分析他們的工作流程,您確定他們有一個小塊隨機讀取工作負載。
確定此解決方案的規模時要考慮的最重要因素是什麼?
A) 延遲
B) 淨空
C) IOPS
D) 頻寬
5. - 展示 -
一家大型製造公司是 Isilon 的現有客戶,其叢集由四個具有 4TB 硬碟的 NL400 節點組成。叢集使用N+2:1保護級別,檔案系統顯示利用率為60%。主目錄和檔案共享佔現有內容的 75%,其餘內容為不活動的深度存檔。該公司有 1,000 名員工使用 Windows 和 Mac 用戶端參與單一 Active Directory (AD) 林。
在與 CIO 和 IT 總監的會議上,您討論了公司最近收購的一家專門從事電腦輔助設計 (CAD) 的工程公司。該工程公司擁有 400 個 UNIX 工作站,用於產生技術圖紙,這些圖紙目前儲存在另一供應商的 SAN 解決方案中。所有 UNIX 環境都使用 NIS 進行身份驗證和名稱解析。他們目前不使用 DNS 或 LDAP。該工程公司的舊儲存系統一直存在問題,CIO 希望您將資料遷移到 Isilon 叢集上。CIO 希望消除所有磁帶並將資料還原到磁碟上。
CIO 擔心公司智慧財產權的安全,尤其是隨著行動裝置和外部雲端內容共享服務(例如 DropBox、Egnyte 和 SugarSync)的快速採用。他們希望實施一種替代方案,提供外部文件共享和行動裝置同步,同時保持對公司資料的安全控制。
IT 總監報告稱,用戶正在 Isilon 叢集上儲存與工作無關的內容。他們希望限制每個用戶在其主目錄中可以使用的容量,並希望確保您能夠輕鬆地可視化哪些用戶超出了其分配範圍。該公司的Windows 用戶目前利用Windows Shadow Copy 來恢復已超出其分配範圍的文件。被不小心刪除了。IT 部門希望確保 Mac 和傳入的 UNIX 用戶端具有相同的功能。
IT 總監也提到,使用者報告瀏覽主目錄和共享資料夾時回應速度緩慢。他們擔心 Isilon 無法擴展來支持他們的全面需求。
- 展示 -
CIO 向您提出了一項新要求。他們希望重新使用以前用於歸檔的磁帶庫,現在用於備份一些資料。
作為實現這一目標的最佳架構,您向 IT 總監推薦什麼?
A) 透過光纖通道將磁帶庫連接到 Isilon 群集,並使用第三方備份軟體啟動到加速器的 NDMP 備份。
B) 使用具有 SyncIQ 的備份加速器,透過加速器上的光纖通道連接埠將資料推送到磁帶庫。
C) 實作備份加速器並使用 Isilon 叢集內的內部備份軟體將資料移至磁帶庫。
D) 使用第三方備份軟體,讓Isilon叢集將資料轉換為LTFS,以便將其儲存到磁帶庫中。
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |
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