Which three protocols use UDP as a transport protocol by default?（）

A. The forwarding table lists each source protocol and preference for each destination
B. The forwarding table constains only active routes
C. The forwarding table is used to process transit packets
D. The forwarding table is stored in compact flash

A. The bypass-routing parameter is used to test the density on the T1 line
B. The bypass-routing parameter cannot be used on a T1 interface
C. The bypass-routing parameter allows you to ping a host through an interface that has no route through it
D. The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic