Only need to practice for 20 to 30 hours

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EMC Associate - Information Storage and Management Exam (DEA-1TT5中文版) Sample Questions:

1. 某個組織計劃在其環境中部署新應用程式。新應用程式需要 3 TB 的儲存空間。在高峰工作負載期間，應用程式預計會生成
2450 IOPS，典型 I/O 大小為 2 KB。每個可用磁碟機的容量為 500 GB。
在利用率為 70% 的情況下，驅動器可以執行的最大 IOPS 數為 90 IOPS。
在 RAID 0 配置下，滿足應用程式的容量和效能要求所需的最小磁碟機數量是多少？

A) 6
B) 28
C) 16
D) 25

2. 元資料服務在基於物件的儲存設備（OSD）中的作用是什麼？

A) 從檔案內容產生檔案系統命名空間。
B) 管理儲存使用者資料的實體磁碟和邏輯磁碟。
C) 維護物件 ID 和檔案系統命名空間映射。
D) 管理所有遠端客戶端的儲存空間。

3. 一家公司已對其資料中心進行虛擬化，並希望部署就地恢復備份方法。
這種方法的優點是什麼？

A) 減少使用備份虛擬機器將資料還原到任何先前時間點的復原點目標
B) 無需在重新啟動之前將映像從備份設備傳輸到主存儲
C) 消除備份對應用程式伺服器的影響
D) 透過自助服務入口網站取得備份服務

4. 使用哪種方式在主資料中心和異地資料中心之間建立VPN連線以進行安全的遠端複製？

A) 遠端存取 VPN 連接
B) 站內 VPN 連接
C) 長距離VPN連接
D) 站點到站點 VPN 連接

5. 管理員如何在 IP-SAN 中建立設備群組以限制設備與群組之間的通訊？

A) 安全標識符
B) 非軍事區
C) iSNS 發現域
D) NIC 分組

Solutions: