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Cisco 642-437 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Implement QoS for Voice Networks | 15% | - Queuing mechanisms and AutoQoS - Classification, marking, and policing - Call Admission Control - QoS principles and requirements |
| Describe a Dial Plan | 13% | - Digit manipulation and route patterns - Call routing and PSTN connectivity - Dial plan components and functions |
| Implement Voice Gateways | 22% | - Fax and modem support - Analog and digital voice ports - Gateway types and deployment models - Dial peers configuration |
| Describe VoIP Call Legs and Signaling | 20% | - VoIP architecture and call flow - Codec selection and media transport - H.323, SIP, and MGCP protocols |
| Implement Gatekeeper and Cisco Unified Border Element | 12% | - CUBE deployment and features - Interoperability and security - Gatekeeper functions and configuration |
| Implement Cisco Unified Communications Manager Express | 18% | - CUCME setup and configuration - Basic call features and dial plans - IP phone registration and provisioning |
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
1. Which three call permissions are assigned with the Employee calling privileges? (Choose three.)
A) 911 (emergency)
B) long distance
C) local
D) international
2. Which command will correctly map Class of Service mappings 0 through 7 to Differentiated Services Code Point 0, 10, 18, 26, 34, 46, 48, and 56, accordingly?
A) mls qos map cos-dscp 0 10 18 26 34 46 48 56
B) mls qos map 0 10 18 26 34 46 48 56
C) mls qos cos-dscp map 0 10 18 26 34 46 48 56
D) mls quos cos map 0 10 18 26 34 46 48 56
3. Which statement is true regarding SCCP?
A) SCCP requires a registrar server.
B) SCCP supports the widest range of features on Cisco IP phones.
C) A PRI backhaul connection forwards PRI Layer 3 (Q.931) signaling information via a TCP connection from the gateway to the call agent.
D) Only the IP address is required for the gateway to communicate with Cisco Unified Communications Manager.
E) The protocol is proprietary to Cisco.
4. DRAG DROP
Drag the statement from the left to the protocol name that is associated with it on the right.
5. Which Cisco voice feature can you use to connect together two Session Initiation Protocol networks?
A) Cisco Unified Border Element
B) Cisco Transcoding
C) class of restriction
D) SIP gatekeeper
Solutions:
| Question # 1 Answer: A,B,C | Question # 2 Answer: A | Question # 3 Answer: E | Question # 4 Answer: Only visible for members | Question # 5 Answer: A |






