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Which two are functions of an IP voice gateway?（）

题目
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Which two are functions of an IP voice gateway?（）
A

provide far-end call control

B

provide far-end camera control

C

translate analog voice to packetized voice

D

transition call path between different networks

E

provide locations-based call admission control

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第1题：

Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? ()

A.Call management software

B.Media Convergence Servers (MCSs)

C.Voice gateways

D.IP telephones


参考答案：B, C

第2题：

If IP routing is enabled, which two commands set the gateway of last resort to the default gateway?()

A. ip default-gateway 0.0.0.0

B. ip route 172.16.2.1 0.0.0.0 0.0.0.0

C. ip default-network 0.0.0.0

D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

E. ip route 0.0.0.0 0.0.0.0 172.16.2.1


参考答案：C, E

第3题：

Which two E－series functions allow Bridged Ethernet subscribers the ability to recieve a dynamic IP address? ()(Choose two.)

A. DHCP standalone server

B. DHCP exclusive-access server

C. DHCP relay agent

D. DHCP relay proxy


参考答案：C, D

第4题：

If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? （）

  • A、ip default-gateway 0.0.0.0
  • B、ip route 172.16.2.1 0.0.0.0 0.0.0.0
  • C、ip default-network 0.0.0.0
  • D、ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
  • E、ip route 0.0.0.0 0.0.0.0 172.16.2.1

正确答案:D

第5题：

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）

  • A、Virtual Gateway
  • B、Real-IP Gateway
  • C、NAT Gateway
  • D、IP-IP Gateway

正确答案:B

第6题：

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?()

A.Virtual Gateway

B.Real-IP Gateway

C.NAT Gateway

D.IP-IP Gateway


参考答案：B

第7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.

正确答案:B,D

第8题：

Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?()

A.Advanced call-handling software, such as Cisco Unity

B.Call-management hardware and software, such as CiscoCallManager

C.Client-based software, such as CiscoSoftPhone

D.Voice gateways, such as the Cisco VG248 Analog Phone Gateway


参考答案：B

第9题：

Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）

  • A、Advanced call-handling software, such as Cisco Unity
  • B、Call-management hardware and software, such as CiscoCallManager
  • C、Client-based software, such as CiscoSoftPhone
  • D、Voice gateways, such as the Cisco VG248 Analog Phone Gateway

正确答案:B

第10题：

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.

正确答案:C

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