Anyone Here completed INTRO 640-821

moss12moss12 Banned Posts: 220 ■■□□□□□□□□
in CCNA & CCENT
What topics I need to cover please As I am using the Sybex 4edition I Went through Cisco Network academy from CCNA 1 - 4 class last year so it should be easy I need to concentrate on subnetting I hear what else please could someone point me into the topics I need to cover on Sybex 4edition thanks.
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