What voice endpoint is recommended for use with the Cisco Unified Communications 500 Series for small businesses？（）

相似题目

• On a WLAN controller，what is the default roaming bandwidth percentage reserved for voice clients？（）

  A . 12 percent B . 6 percent C . 18 percent D . 24 percent

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• By default， on the WLAN controller for a voice application using Cisco 7921 wireless IP phones. What is the percentage of RF bandwidth that can be dedicated to the phones？（）

  A . 75 percent B . 85 percent C . 56 percent D . 55 percent

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• What is the minimum recommended access point overlap for voice roaming？（）

  A . less than 10 percent B . 10 to 15 percent C . 15 to 20 percent D . 25 to 30 percent

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• What is the default value that a PBX or Cisco Unity Express uses to select a voice-mail mail box?（）

  A . Last Called Number  B . Last Redirect Number  C . Original Called Number  D . Original Redirect Number  E . Forward Redirect Number&e

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• VOIP is being implemented on the Company network. In a properly designed network，  what is the  maximum amount of time a voice package should spend crossing a network？  （）

  A . 90 milliseconds B . 120 milliseconds C . 150 milliseconds D . 240 millisecond

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• What are three features of voice traffic on a network？（）

  A . bursty B . constant C . bandwidth intensive D . small packet sizes E . time-sensitive F . retransmittable

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• When using simultaneous voice and multicast on a single WLAN and RF band, what is the recommended DTIM value of the WLAN for VoWLAN devices?（）

  A . DTIM = 1 B . DTIM = 2 C . DTIM = 3 D . DTIM = 4

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• What amount of cell overlap ensures smooth roaming for wireless endpoints?（）

  A . 5；10% B . 10；15% C . 15；20% D . 20；25%

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• To ensure quality， what is the maximum end-to-end transit time in milliseconds on a voice network？（）

  A .  50 B .  100 C .  150 D .  200 E .  250

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• To ensure quality, what is the maximum end-to-end transit time in milliseconds on a voice network?（）

  A . 50 B . 100 C . 150 D . 200 E . 250

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• What are two design considerations for a WLAN to support voice?（）

  A . Packet loss is less than one percent. B . Signal strength at cell edge is approximately -67 dBm. C . End-to-end delay is less than 200 ms. D . Cell overlap between APs is 50 percent.

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• On a WLAN controller， what is the default roaming bandwidth percentage reserved for voice clients？（）

  A . 6 percent B . 12 percent C . 18 percent D . 24 percent

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• The voice VLAN feature has been enabled on a new Company Catalyst switch port.  What is the  effect of this？ （）

  A . The CoS is trusted for 802.1P or 802.1Q tagged traffic. B . PortFast is disabled on the port. C . Port Security is automatically enabled on a voice VLAN port. D . Untagged traffic is sent according to the default CoS priority of the port. E . None of the other alternatives apply

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• What is the recommended radius of a cell for a voice-ready wireless network？（）

  A .  6 dBm B .  19 dBm C .  5 dBm D .  7 dBm

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• When you enable port security on an interface that is also configured with a voice VLAN，  what is the maximum number of secure MAC addresses that should be set on the port？（）

  A . No more than one secure MAC address should be set. B . The default will be set. C . The IP phone should use a dedicated port， therefore only one MAC address is needed per port. D . No value is needed if the switchport priority extend command is configured.  E . No more than two secure MAC addresses should be set.

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• What does the interface subcommand switchport voice vlan 222 indicate？（）

  A . The port is configured for both data and voice traffic. B . The port is fully dedicated to forwarding voice traffic. C . The port will operate as an FXS telephony port. D . Voice traffic will be redirected to VLAN 222.

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• By default， on the WLAN controller for a voice application using Cisco 7921 wireless IP phones， what is thepercentage of RF bandwidth that can be dedicated to the phones？（）

  A . 55 percent B . 56 percent C . 75 percent D . 85 percent

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• What is the minimum recommended uplink/downlink speed to support a single encrypted IP voice Teleworker call?（）

  A . 256kbps / 1024kbps B . 256kbps / 1544kbps C . 160kbps / 768kbps D . 384kbps / 384kbps E . 128kbps / 512k

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• What will cause wireless voice devices to perform poorly？（）

  A . average signal strength that is greater than -67 dBi B . cell overlap of 15 to 20 percent C . uneven wireless coverage D . absence of coverage hole

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• What is required to enable fragmentation of large FTP packets when voice quality on the network is affected by FTP transfers?（）

  A . Configure TCP header compression on interface B . Configure MPL on the Frame Relay interfaces C . Configure FRF 12 fragmentation on the Frame Relay interfaces D . Fragmentation is not supported with service internetworking

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• By default，on the wlan controller for a voice application using cisco 7921 wireless ip phones. what is the percentage of rf bandwidth that can be dedicated to the phones？（）

  A . 75 percent B . 85 percent C . 56 percent D . 55 percent

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• A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?（）

  A . Deployment of Business Ready Teleworker with VoIP is not recommended. B . The customer’s existing PBX must first be replaced with Cisco IP Telephony solution. C . Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX， integrating the two with trunking. D . Deployment is recommended only for full-time Teleworkers who have no other corporate phone.

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• What kind of voice did Information Please have She had a and voice.

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• According to Shannon's equation,what is the channel capacity of an analog voice-grade phon

  According to Shannon's equation, what is the channel capacity of an analog voice-grade phone line with a bandwidth of 3100 Hz and a signal-to-noise ratio or 30 dB？ A．9.1 Kbps B．9.3 Kbps C．30.9 Kbps D．30.17 Kbps

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