Q18 Single choice Mark for later How does a shaper rate-limit a traffic stream? A Packets that arrive in a burst are immediately dropped; packets that arrive with the proper in betweenspace are immediately. B Packets are buffered on arrival and are forwarded at an average rate conforming with PIR, typically, with a reduced burstiness. C Packets with an average arrival rate higher than PIR are immediately dropped; conforming packets areforwarded at the same rate at which they arrive. D Packets with an average arrival rate higher than PIR are buffered for future processing; conformingpackets are immediately forwarded. Correct answer