Foundational IP networking knowledge is recommended. CCNA Collaboration certification assumes familiarity with the concepts included in ICND1 and ICND2 training.
CCNA Collaboration certification is valid for three years. To recertify, you must pass one of the following before the certification expiration date:
- Any current associate-level exam except for the ICND1 exam.
- Any current 642-XXX professional-level or any 300-XXX professional-level exam.
- Any current 642-XXX Cisco Specialist exam.
- Any current CCIE written exam.
- The current CCDE Written Exam or current CCDE Practical Exam
- The Cisco Certified Architect (CCAr) interview and the CCAr board review.
Visit Cisco's site for additional recertification information.