About CCNA Certification:
The Cisco CCNA network associate certification validates the ability to install, configure, operate, and troubleshoot medium-size routed and switched networks, including implementation and verification of connections to remote sites in a WAN. This new curriculum includes basic mitigation of security threats, introduction to wireless networking concepts and terminology, and performance-based skills. This new curriculum also includes (but is not limited to) the use of these protocols: IP, Enhanced Interior Gateway Routing Protocol (EIGRP), Serial Line Interface Protocol Frame Relay, Routing Information Protocol Version 2 (RIPv2),VLANs, Ethernet, access control lists (ACLs)
Passing exam 640-802 is all that is required to achieve the CCNA, however, you can opt to break up the CCNA into 2 exams as follows:
640-822 ICND1 - Interconnecting Cisco Networking Devices Part 1
640-816 ICND2 - Interconnecting Cisco Networking Devices Part 2