單項選擇題

Which header or set of headers does CRTP compress？（）

A.Layer 2
B.Layer 3
C.Layer 4
D.Layer 2 and Layer 3
E.Layer 3 and Layer 4

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多項選擇題
What are the three elements of configuring congestion management？（）
A.queue creation
B.determining packet drop thresholds
C.determining the random early detection method
D.traffic classification
E.queue scheduling
F.FIFO configuration
多項選擇題
Which two statements are true about traffic shaping and traffic policing？（）
A.both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
B.both traffic shaping and traffic policing support the marking and re-marking of traffic
C.the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
D.traffic shaping queues excess traffic whereas traffic policing discards excess traffic
E.traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate