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Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Refer to the exhibit.

Cisco 642-437 Exam
When an inbound PSTN call from 4087071222 arrives at the ISDN port that is shown in the exhibit, which dial peer will be matched for the inbound leg?

A) Dial-peer 123, because incoming called-number takes precedence over answer-address.
B) Dial-peer 2123, because answer-address takes precedence over incoming called-number.
C) Although dial-peer 123 takes precedence, there is no direct-inward-dial that is configured, therefore 2123 will be selected.
D) Although dial-peer 123 takes precedence, there is no port that is configured under dial-peer 123, therefore dial-peer 2123 will be selected.
E) The matching inbound dial peer will be selected at random.

2. Which two statements describe ways that AutoQoS VoIP configuration is applied on a Cisco catalyst switch? (Choose two.)

A) The auto qos voip cisco-phone command is applied to each interface.
B) The auto qos voip command is applied to each interface.
C) The auto qos voip command is applied globally in the switch.
D) The auto qos voip trust command is applied to each interface.

3. DRAG DROP
Drag the appropriate IOS commands from the left and drop them in the spaces on the right to create a dial peer that will match all inbound calls and prevent two-stage dialing on a T1 PRI circuit. Not all boxes are used and not all options are used.

4. At what point in a VoIP network are the existing class of service or differentiated services code point values considered valid and are used throughout the rest of the network?

A) distribution layer
B) trust boundary
C) marking boundary
D) access layer

5. What are two advantages of deploying dual VLANs on an access layer switch that connects to an IP phone? (Choose two.)

A) Implementing dual VLANs allows you to connect two devices that are in different VLANs to a single switch port.
B) This is the default state when an IP phone is connected to an unconfigured Cisco Catalyst switch.
C) Dual VLANs allow for the logical separation of data and voice traffic, which allows the network to process these two traffic types individually.
D) There are no advantages if a Cisco IP phone has a PC attached. Both the voice and data services should be in the same VLAN.
E) It is typically used for IP phones that are not Cisco IP phones, IP softphones, or when Cisco IP phones or other Cisco voice devices (such as the Cisco VG248 Analog Phone Gateway) do not support PCs to be connected to them.

Solutions: