Pass4sure 640-553
640-553 IINS, Implementing Cisco IOS Network Security (IINS).?
Recently, Cisco released three new CCNA certifications: Security, Voice and Wireless.
The CCNA Security is valid for three years. To recertify, Pass any current CCNA concentration exam (wireless, security, voice) OR pass a current 642 professional exam, OR pass the current CCIE written exam or the current CCDE written exam.



