单项选择题

Refer to the exhibit. Which statement is true about the function of the frame-relay voice-bandwidth 24000 command that is shown in the partial configuration？（）

A.It limits the total bandwidth available on the Frame Relay link.
B.It provides call admission control by limiting the number of voice calls over the Frame Relay link
C.It sets up IP RTP Priority features that reserve bandwidth for voice traffic flows.
D.It is functionally equivalent to configuring LLO.
E.It limits the bandwidth that is taken by individual voice calls to 24000 b/s.

<上一题目录下一题>

热门试题

多项选择题WhichthreeoptionsareprerequisitestoconfiguringCiscoAutoOoS？（）

A.Cisco Express Forwarding （CEF） must be globally enabled.
B.Prior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.
C.After the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .
D.OoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.
E.An IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configuration
F.An IP address must be configured on all interfaces that will participate in the AutoOoS configuration

多项选择题WhatarethreefactorsusedtodeterminetheamountofbandwidththatisrequiredforasingleVoIPcall？（）

A.codec
B.link speed
C.Layer 2 encapsulation
D.packet overhead （IP/UDP/RTP）
E.link delay
F.total number of simultaneous calls that are allowed

单项选择题WhichstatementdescribesthedistributedcallcontrolmodelinVoIPnetworks？（）

A.The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardown
B.The gateway voice-capable device has a local call routing table configured through a routing protocol.
C.The gateway voice-capable device relies on a call agent to support call control.
D.The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.

多项选择题WhichtwopairingsmatchtheapplicationwiththecorrectCosvalue？（）

A.CoS 0 = Best-Effort Data
B.CoS 1 = Best-Effort Data
C.CoS 3 = High Priority
D.CoS 4 = High Priority Data
E.CoS 5 = Voice Bearer
F.CoS 7 = Voice Bearer

多项选择题Whichtwooptionscanbeusedastrafficdescriptorswhenclassifyingandmarkingtraffic？（）

A.incoming interface
B.Layer 2 differentiated services code point （DSCP）
C.Layer 3 IP precedence
D.outgoing interface