/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DavidZhang12 https://cdn.slidesharecdn.com/profile-photo-DavidZhang12-48x48.jpg?cb=1724032286 12+ yrs experience of Telecom and enterprise Data Center/WAN/MAN/LAN network/security architecture, design, implementation and support. In the last 5 yrs, I focus on Data Center architecture, virtualization and cloud computing. Hands-on experience of a broad range of Cisco and Juniper routers & switches; In-depth knowledge and demonstrated experience of routing protocols: OSPF, BGP, EIGRP, RIP and IGRP Strong skills and excellent knowledge of switching technology : Layer 2/3 Switching, vPC, VLan, 802.1Q/ISL, STP/PVST/PVST+/MST and VTP Demonstrated experience and in-depth understanding of WAN (ATM, xDSL, Frame Relay, ISDN and 3G Wireless) and layer2 &3 QoS Excellent knowledge and ...