大网格高聚物吸附剂
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（） ["Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the sub-interface","Configure each Frame Relay circuit as apoint-to-point line to support multicast and broadcast traffic","Configure many sub-interfaces on the same subnet","Configure a single sub-interface to establish multiple PVC connections to multiple remote router interface"]
你想在你的网络中实现congestion avoidance，下面哪种机制可以实现有选择的丢弃数据包？（） [" Weighted Random Early Detection （WRED）"," Low Latency Queuing （LLQ）"," Class-based Weighted Fair Queuing （CBWFQ）"," Modified Deficit Round Robin （MDRR）"]
液压叉车起升油缸下降超速的原因可能是（）。 ["溢流阀压力调整过低","安全阀弹簧损坏","换向阀内漏严重","节流阀损坏"]
吸附法
教学过程是一个教育信息传播的过程，传播过程中有四个要素，即（）。
