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As Cisco Systems announced the revised version of CCNA certification in the end of 2007, they also informed the addition of CCENT certification, that is to say, Cisco Systems will modify their certification system based on new consideration of learning map in the future. Thus, after six months, Cisco Systems formally informs that the CCNA certified professionals are recommended to prepare CCNA Security, CCNA Voice and CCNA Wireless certifications based on their job requirement, interests or ability. For example, if for earning CCNA Security certification, you have following two procedures: 1) earn CCNA certification by either directly testing 640-802 or testing 640-816 ICND 2 after passing 640-822 ICND 1 (CCENT); 2) pass IINS 640-553(Implementing Cisco IOS Network Security).
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