[单选]

Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?（）

《公共卫生管理条例》规定公共场所的许多项目必须符合有关卫生标准，下列项目，不属于《条例》中规定的必须达标的项目的是（） 空气。 水质。 采光。 卫生措施。 清扫消毒的时间。 漕运 The following command is issued on a Cisco Router： Router（configuration）#logging console warnings Which alerts will be seen on the console？（） Warnings only。 debugging， informational， notifications， warnings。 warnings， errors， critical， alerts， emergencies。 notifications， warnings， errors。 warnings， errors， critical， alert。 由于润滑油的循环流动，可以带走摩擦表面所产生的部分热量，对机件产生什么作用（） 降温。 升温。 保温。 简述选择萃取溶剂应遵守的原则。

Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded. Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?（）