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Oracle10g Certified Associate （OCA） Oracle 認證專員。考試成績通過能獲得Oracle公司為您頒發的全球認證的英文OCA證書。OCA由Oracle公司出題。OCA證書可作為各企事業單位數據庫管理人員上崗的依據。目前已成為各IT公司及相關企業爭相競聘的數據庫管理維護人才，是數據庫維護管理人員（DBA）的初級證書。
OCA考試科目：
1Z0-051: Oracle Database 11g:SQL FundamentalsI
1Z0-042: Oracle Database 10g Administration I
自學條件：
熟悉Windows或Linux操作系統；
有ACCESS或其他數據庫基礎，有壹定網絡操作的基本知識，具有高中或以上英語水平。
Exam Code:70-640
Laguage(s):English, French, German, Italian, Japanese, Korean, Russian, Spanish, Portuguese (Brazil), Chinese (Simplified)
Technology:Windows Server 2008
About 70-640 Exam
This Technology Specialist (TS) exam, Exam 70-640: TS: Windows Server 2008 Active Directory, Configuring, became available in March 2008. This exam is available in English, Brazilian Portuguese, Chinese [Simplified], French, Japanese, Korean, Russian, and Spanish.
Audience Profile
The Microsoft Certified Technology Specialist (MCTS) on Windows Server 2008 credentials are intended for information technology (IT) professionals who work in the complex computing environment of medium to large companies. The MCTS candidate should have at least one year of experience implementing and administering Windows Server 2008 R2 in an environment that has the following characteristics:
•250 to 5,000 or more users
•multiple physical locations, multiple domain controllers
•network services and resources such as messaging, databases, file and print, firewalls, Internet access, an intranet, Public Key Infrastructure, remote access, remote desktop, virtualization, and client computer management
•connectivity requirements such as connecting branch offices and individual users in remote locations to corporate resources, and connecting corporate networks
The LPIC-3 Certification program represents the culmination of LPI’s Certification Program.LPIC-3 is designed for the “enterprise-level” Linux professional. The program has been developed with the input of hundreds of Linux professionals from around the globe and with input from some of the world’s leading technology companies. It also represents the highest level of professional, distribution-neutral Linux certification within the industry.
The LPIC-3 program consists of a single exam for LPIC-3 “Core” designation. A number of “specialty” exams are proposed as additional designations on top of the LPIC-3 “Core” certification. Proposed specialties include the following: Mixed Environment, Security, High Availability and Virtualization, Web and Intranet, and Mail and Messaging. The first such “specialty” designation, “Mixed Environment” was made available in January 2007 and “Security” was released in February 2009.