A.Packets are discarded without differentiating the priority

B.High cost

C.Global TCP synchronization

D.High jitter and long delay

A.LDP label distribution can be controlled in ordered mode.

B.In independent mode, an [SR cannot send label mapping messages to the upstream router before it receives label mapping messages from the next hop LSR.

C.In ordered mode, when an [SR is the origin of a route, it can send label mapping messages to the upstream router initiatively and does not need to wait for label mapping messages from the next hop LSR.

D.LDP label distribution cannot be controlled in independent mode.

A.FALSE

B.TRUE

A.They must be different.

B.They may be the same.

C.They must be the same.

A.TRUE

B.FALSE