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

1. What are two benefits of using the DiffServ model? (Choose two.)

A) DiffServ is highly scalable.
B) DiffServ supports a large number of service classes.
C) DiffServ keeps flow state on each node in the network.
D) DiffServ uses repetitive signaling for each flow.
E) DiffServ is a flow-based architecture.

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

A) Dual VLANs allow for the logical separation of data and voice traffic, which allows the network to process these two traffic types individually.
B) Implementing dual VLANs allows you to connect two devices that are in different VLANs to a single switch port.
C) 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.
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) This is the default state when an IP phone is connected to an unconfigured Cisco Catalyst switch.

3. Which two signaling methods are supported on Cisco FXO and FXS ports? (Choose two.)

A) kewlstart
B) ground-start
C) loop-start
D) AMI
E) E&M

4. Which debug command can be used to show events specific to the Cisco Unified Border Element gateway?

A) debug ip voip cube
B) debug ip cube
C) debug voip cube events
D) debug voip ipipgw

5. How many bits are added to a secure Real-Time Transport Protocol packet from the 160-bit SHA1 hash?

A) 128
B) 160
C) 64
D) 32

Solutions: