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Cisco 642-437 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cisco Unified Border Element (CUBE) | - CUBE features and configuration
|
| Topic 2: Troubleshooting | - Troubleshooting voice and QoS issues
|
| Topic 3: VoIP Fundamentals | - Voice over IP basics
|
| Topic 4: Voice Gateways and Call Routing | - Gateway implementation and configuration
|
| Topic 5: Quality of Service (QoS) | - QoS mechanisms
|
| Topic 6: Cisco Unified Communications Manager Express | - CUCME configuration
|
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
1. If a centralized solution has to be implemented on multiple-equipment vendors devices, which signaling protocol should be used?
A) Session Initiation Protocol
B) H.323 protocol
C) Skinny Client Control Protocol
D) Media Gateway Control Protocol
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) This is the default state when an IP phone is connected to an unconfigured Cisco Catalyst switch.
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.
3. Which Cisco Unified Border Element configuration supports H.323 protocol interworking and address hiding?
A) voice services h323 to h323 h323 interworking media flow-around
B) voice services h323 to h323 h323 interworking media flow-through
C) voice services voip allow-connections h323 to h323 media flow-around
D) voice service voip all-connections h323 to r323
4. Which command should be included in order to trust the DSCP-marked traffic from the distribution layer?
A) mls qos trust dscp-cos
B) mls qos trust dscp
C) mls qos trust cos
D) mls trust dscp-cos
5. Which two are trusted endpoint devices that are used to mark application traffic to the appropriate CoS and DSCP values? (Choose two.)
A) wireless IP phone
B) analog gateway
C) end-user PC
D) switch
E) multi-application server
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,B | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A,B |
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