ip bandwidth-percent eigrp 200 20是什么意思？
Refer to the exhibit. This exhibit shows the NAT configuration for Router A and the output for a ping issued from device 171.68.200.48 and destined to 172.16.47.142. Based on this information, what change must be made to Router A in order for the ping to work?（） ["reload the router","clear the route cache","add a static route","configure IP as classless","load a newer IOS image"]
半逆流型永磁筒式磁选机，槽底的吹散水管的用途是（）。 ["吹散矿浆","冲卸精矿","提高精矿品位","调节矿浆浓度"]
变速器由变速（）和变速操纵机构组成。 ["动力机构","机械机构","传动机构","液力机构"]
While deploying a new switch， you accidently connect ports 3/12 and 3/18 together， creating a loop. STP detected it and placed port 3/18 in blocking mode. Why did STP not place port 3/12 in blocking mode instead？（） ["Port 3\/12 was already up and forwarding before the loop was created.","Port priority is based on lowest priority and lowest port number.","You connected the wire on port 3\/18 last.","None of the above， it is purely random."]
永久硬度。
