CCNA 思科认证网络支持工程师（Certified Cisco Network Associate)
CCNP 思科认证资深网络工程师（Cisco Certified Network Professional)
CCDA 思科认证设计工程师(Cisco Certified Design Associate)
CCDP 思科认证资深网络设计师(Cisco Certified Design Professional)
CCCIE 网际网路顶级专家认证（Cisco Certified Internetwork Expert)
