單項(xiàng)選擇題
                                    
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