What Skills Do You Need to Become a CCNA?

What Skills Do You Need to Become a CCNA?
To meet the CCNA certification skill level, you must be able to understand or do the following:

A CCNA certified professional can install, configure, and operate LAN, WAN, and wireless
access services securely, as well as troubleshoot and configure small to medium
networks (500 nodes or fewer) for performance.

This knowledge includes, but is not limited to, use of these protocols: IP, IPv6, EIGRP,
RIP, RIPv2, OSPF, serial connections, Frame Relay, cable, DSL, PPPoE, LAN switching,
VLANs, Ethernet, security, and access lists.