If you have started working toward any current CCNA or CCDA certification, keep going. You have until February 23, 2020 to complete your current CCNA/CCDA.
If you complete any current CCNA/CCDA certification before February 24, you’ll receive the new CCNA certification and a training badge in the corresponding technology area.
If you already have Cisco Certified Entry Networking Technician (CCENT) certification and would like to earn CCNA, you have until February 23 to complete your CCNA certification in the current program. As of February 24, you will need to take the new exam to complete CCNA certification.