单项选择题
When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?（）
A. RX-queue deferred B. TX-queue deferred C. RX-queue saturation D. TX-queue saturation E. RX-queue starvation F. TX-queue starvation
多项选择题 Which two practices will avoid Cisco Express Forwarding polarization?（）
多项选择题 Which two statements correctly identify considerations to take into account when deciding on Campus QoS Design elements?（）
单项选择题 Which version of spanning tree is recommended for the enterprise campus?（）
