單項選擇題

Which statement is true about the capabilities of a voice gateway router？（）

A.voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packets
B.voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN network
C.voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phones
D.voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.

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單項選擇題

A GRE tunnel is configured between a local and a remote site. Where should the service policy be applied to classify packets based on the pretunnel header? （）

A.in global configuration mode， apply the service policy and use the qos pre-classify
B.in global configuration mode， apply the service policy but do not use the qos pre-classify command
C.apply the service policy on the physical interface but do not use the qos pre-classify
D.apply the service policy on the tunnel interface but do not use the qos pre-classify command
E.apply the service policy on the tunnel interface and use the qos pre-classify command

多項選擇題

What are two of the three predefined classes for the Cisco SDM wizard？（）

A.business-critical
B.high priority
C.middle class
D.voice
E.best effort
F.scavenger

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Which statement is true about the capabilities of a voice gateway router？（）

你可能感興趣的試題

A GRE tunnel is configured between a local and a remote site. Where should the service policy be applied to classify packets based on the pretunnel header? （）

What are two of the three predefined classes for the Cisco SDM wizard？（）

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What are two of the three predefined classes for the Cisco SDM wizard？（）