Cisco_Catalyst_LAN_Switching,Cisco Catalyst系列交换机技术,网络核心技术内幕－Cisco组网技术指南.-Cisco_Catalyst_LAN_Switching. Cisco Catalyst series switches technology, Network core technology insider - Cisco Network Technology Guide.

利用相应的信息技术以及互联网技术来协调企业与顾客间在销售、营销和服务上的交互(In order to improve the core competitiveness, the company uses the corresponding information technology and Internet technology to coordinate.)