考試說明 HCIE面試題目 Diargam section 1 Layer2(14p) section 2 IGP(28p) section 3 BGP(16p) section 4 Multicast(10p) section 5 Qos（8p) section 6 Security(8p) section 7 System management(8p) section 8 Features(8p) BB配置