多项选择题
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
A. Analog phones， connected to the PSTN， act as internal call agents if IP communication to the CallManager is lost.
B. An onsite gateway reroutes calls over the PSTN if IP communication to the CallManager is lost.
C. The IP phones can reroute calls over the PSTN if IP communication to the CallManager is lost.
D. Local voice gateways can assume the function of a call agent if IP communication to the CallManager is lost.
E. IP phones use an internal call agent if IP communication to the CallManager is lost.
相关考题
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单项选择题
Whatcanbeusedtomaintainthevoicequalityonalinkbylimitingthenumberofcallsthatcanbeactiveatanygiventime？（）
A. Call Management Link Agent
B. Traffic policing
C. Call Admission Control
D. QoS Link Congestion Management
E. Oversubscription Link Detection -
单项选择题
WhichstatementistrueabouttheCallAdmissionControl（CAC）featureinVoIPnetworks？（）
A. CAC is used to allocate enough bandwidth for the number of calls that are allowed on the VoIP network.
B. CAC is used to protect the quality of the voice calls by preventing call establishment if enough resources are not available on the network.
C. CAC provides queuing mechanisms for voice calls if the packets exceed the configured or budgeted rate.
D. In a VoIP network the CAC can be replaced with the LLQ QoS mechanism if it has been properly implemented. -
多项选择题
WhenCiscoSDMisusedtogenerateQoSpolicy，variousQoSclasseswillbecreatedandassignedapercentageoftheinterfacebandwidth.WhichthreestatementsindicatethedefaultbandwidthvaluesthatareassignedbySDMforoutgoingtrafficonaWANinterface？（）
A. Voice traffic will be assigned 47% of the interface bandwidth.
B. Voice call signaling will be assigned 33% of the interface bandwidth.
C. Telnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.
D. Best-effort traffic will be assigned 38% of the interface bandwidth.
E. Routing protocol traffic will be assigned 5% of the interface bandwidth.
F. Transactional traffic will be assigned 5% of the interface bandwidth.
