Which IOS QoS mechanism is used strictly to rate limit traffic destinedto the router itself？（） Class-Based Policing。 Control Plane Policing。 Dual-Rate Policier。 Single-Rate Policier。 Class-BasedTraffic Shaper。
班级管理原则是班级管理工作的基本要求和根本准则。
命题
商周青铜器的主要纹样是（） 螺旋纹。 云气纹。 饕餮纹。 莲花纹。
You work as a network engineer for the company，you want to configure two BGP speakers to form an EBGP session across a firewall. On the engineer’s network，the firewall always permits TCP sessions that are initiated from the inside network （the network attached to the inside interface of the firewall）. What prerequisite is there for enabling BGP to run on this network？（） EBGP multihop will need to be configured for this to work.。 This should work with normal BGP peering，with no additional configuration on the BGP speakers or the firewall.。 The BGP protocol port must be opened on the firewall。 There is no way to make BGP work across a firewall.。
药物微生物污染引起的变化主要有以下哪几个方面：（）
