说明：  CCNA认证标志着具备安装、配置、运行中型路由和交换网络，并进行故障排除的能力。获得CCNA认证的专业人士拥有相应的知识和技能，能够通过广域网与远程站点建立连接，消除基本的安全威胁，了解无线网络接入的要求。CCNA培训包括（但不限于）以下这些协议的使用：IP、EIGRP、串行线路接口协议、帧中继、RIPv2、VLAN、以太网和访问控制列表（ACL）。
(CCNA certification marks with the installation, configuration, run medium-sized routed and switched network, and troubleshooting capabilities. Get CCNA certified professionals have the appropriate knowledge and skills through the WAN connection is established with the remote site, eliminating the basic security threats, understand the requirements of the wireless network access. CCNA training includes (but not limited to) the use of these protocols: IP, EIGRP, Serial Line Interface Protocol Frame Relay, RIPv2, VLAN, Ethernet and Access Control List (ACL).)