Which two statements about policing, queuing, and scheduling are true? (Choose two.)
A. The WRHD algorithm is reactive approach only to traffic congestion.
B. Policing is the monitoring of data rates for a particular class of traffic. The device can also monitor associated burst sizes.
C. You can apply weighted random early detection to a class of traffic, which allows packets to be dropped based on the CoS field.
D. You can schedule traffic by imposing a maximum data rate on a class of traffic so that excess packets are dropped.
Answer: BC
Which three options are common PTP device types? (Choose three.)
A. ordinary clock
B. network clock
C. crystal clock
D. transparent clock
E. boundary clock
F. sundials
Answer: ADE
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