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
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A.header compression
B.payload compression
C.low latency queuing （LLQ）
D.weighted random early detection （WRED）
E.traffic policing
F.traffic shaping
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
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
Refer&ensp；to&ensp；the&ensp；exhibit.&ensp；What&ensp；variation&ensp；of&ensp；the&ensp；802.1x&ensp；Extensible&ensp；Authentication&ensp；Protocol&ensp；（EAP）&ensp；
uses&ensp；this&ensp；authentication&ensp；process？（）
A.LEAP
B.EAP-FAST
C.PEAP
D.EAP-TLS
A.WMM using DCF
B.WMM using EDCAF
C.802.1e using DCF
D.802.1e using EDCAF
最新試題
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
In a VoIP network， which type of interface would an analog fax machine connect to？（）
When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which two QoS classification and marking statements are true？ （）
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
The Cisco SDM will create a QoS policy that provides services to two types of traffic. Which two statements indicate the default QoS parameters that are created by SDM？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
What are two reasons to implement H·323 gatekeepers？（）