Which IETF standard is the most efcient messaging protocol used in an loT network?
A. SNMP
B. HTTP
C. CoAP
D. MQTT
Answer: C
Question: 10
Which two statements about policing, queuing, and scheduling are true? (Choose two.)
A. The WRHD algorithm is reactve approach only to trafc congeston.
B. Policing is the monitoring of data rates for a partcular class of trafc. The device can also monitor associated burst sizes.
C. You can apply weighted random early detecton to a class of trafc, which allows packets to be dropped based on the CoS feld.
D. You can schedule trafc by imposing a maximum data rate on a class of trafc so that excess
packets are dropped.
Answer: B,C
Question: 11
Which three optons 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: A,D,E
Cisco CCIE 400-151 Exam Dumps Free Download
