多项选择题
Which three statements are true about the data traffic characteristics of voice traffic？ （）
A.latency must be kept below 150 ms
B.latency is not a concern as long as jitter is kept below 30 ms
C.voice packets do not require a specific type of queuing
D.voice packets are rather small
E.voice packets require TCP for rapid retransmission of dropped packets
F.voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload
相关考题
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多项选择题
WhataretwoQoSmechanismsthatareusedtopreventpacketloss？（）
A.header compression
B.payload compression
C.low latency queuing （LLQ）
D.weighted random early detection （WRED）
E.traffic policing
F.traffic shaping -
多项选择题
WhichtwostatementsaretrueaboutRSVPandtheInServQoSmodel？（）
A.a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
B.RSVP uses DSCP to signal QoS requirements to routers
C.RSVP is a routing protocol
D.RSVP is an IP protocol that uses IP protocol ID 46， and TCP/UDP ports 3455
E.RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
F.the flow-based approach of RSVP is ideal for large， scalable implementations such as the public internet -
单项选择题
Refer to the exhibit. What variation of the 802.1x Extensible Authentication Protocol （EAP） uses this authentication process？（）
A.LEAP
B.EAP-FAST
C.PEAP
D.EAP-TLS
