(1. Companies often use user qzone. QQ / 1914756383 / main2. Learning course address ccieh3c Taobao/3. Debugging equipment affairs 1914756383 Taobao/4, baid U disk material sharing yun baidu/share/home? Uk=3778524151view=share classic differentiation experiments are very suitable for learning CCIE and reviewing the use of more materials to share: pan baidu/share/home? Uk=1798358178view=share# this material includes the following attachments:)