642-437試験無料問題集「Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) 認定」

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トータル 257 問
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Which four interworking call flows are associated with a Cisco Unified Border Element using media flow-around? (Choose four.)

正解：A,B,C,F 解答を投票する
Which type of ephone-dn can be used to support one virtual voice port with support for two channels?

What is the Cisco-recommended network requirement for voice and video?

Which four are critical functions that are performed by the Cisco Unified Border Element? (Choose four.)

正解：D,E,F,G 解答を投票する
What is the maximum number of digits that can be assigned to a European Subscriber Number using the European Telephony Numbering Space?

Calls are failing to egress the local PSTN gateway that uses an E1 PRI circuit. Which debug command would be most useful in determining which dialed digits are being sent to the PSTN?

解説: (GoShiken メンバーにのみ表示されます)
What equipment should you use if you want to route calls between a branch in a private network and a branch in a public network, hiding the networks between them?

What is the delta in the total end-to-end delay values of two voice packets in the voice flow?

Refer to the exhibit.

Cisco 642-437 Exam
When a voice-signaling packet arrives at the router with a DSCP value of AF31, which two options describe how it will be treated? (Choose two.)

If a packet is marked with an IP precedence value of 011, what is the corresponding binary DSCP class-selector value?

A TFTP server is configured with the IP address 10.10.10.150. Which command should you enter in the DHCP pool configuration mode to configure a client to use the defined TFTP server?

You are configuring a Cisco Unified Border Element. What do you need to do to achieve address hiding?

You are configuring a network to support voice to the PSTN. One important aspect to the configuration is to be able to determine the individual slot, subunit, and port number from the gateway endpoint identifier. Which signaling protocol is appropriate for this situation?

解説: (GoShiken メンバーにのみ表示されます)
Refer to the exhibit.

An administrator is migrating a PBX telephony system to an IP Phone solution using a fixed numbering plan. The extension numbers and PSTN DIDs cannot be changed. Which of the following methods can be used in order to reach the individual extensions at Site B when called via the PSTN?

解説: (GoShiken メンバーにのみ表示されます)
When a Cisco 7965 IP phone downloads an SCCP firmware file package, which file is downloaded first by the IP phone from the TFTP server to describe the files it should request from the TFTP server?

What do you use an FXS for?

In which situation would the trust boundary be located at the access layer?

Which command correctly enables a trust of the existing differentiated services code point value coming into a switch?

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トータル 257 問