How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?（） Traffic is switched from the first node receiving the AIS indication.。 Traffic is switched from the far side of the failure, allowing handshaking to occur.。 UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.。 UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.。
《齐民要术•序》：“舍本逐末，贤者所非，日富岁贫，饥寒之渐，故商贾之事，阙而不录。”以下叙述正确的是（）。①该书是我国现存最早最完备的农书②该书含有重农抑商的思想观念③该书系统地总结了我国6世纪以前黄河中下游地区的农牧业生产经验④该书还介绍了欧洲先进的水利技术和工具 ①②③④。 ①②③。 ②④。 ①③。
Which two are features of IPCC Express Enhanced?（） IVR Port Recording 。 HTTP Triggers 。 Supervisory Silent Monitoring 。 sending e-mails 。 Database Integration 。 keystroke macros&e。
热油炉烟道气温度高以后烟道挡板位置应如何调节？
In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（） trunking。 squelching。 nodal bypass。 bridge and roll。 node failure insertio。
What is the best way to ensure that IKE/ISAKMP packets are not dropped when QoS is enabled on the uplink interface of the Teleworker router?（）
