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Cisco 642-437 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement QoS for Voice Networks | 15% | - Call Admission Control - Classification, marking, and policing - Queuing mechanisms and AutoQoS - QoS principles and requirements |
| Topic 2: Implement Voice Gateways | 22% | - Analog and digital voice ports - Fax and modem support - Dial peers configuration - Gateway types and deployment models |
| Topic 3: Implement Cisco Unified Communications Manager Express | 18% | - CUCME setup and configuration - IP phone registration and provisioning - Basic call features and dial plans |
| Topic 4: Describe VoIP Call Legs and Signaling | 20% | - VoIP architecture and call flow - Codec selection and media transport - H.323, SIP, and MGCP protocols |
| Topic 5: Implement Gatekeeper and Cisco Unified Border Element | 12% | - Interoperability and security - CUBE deployment and features - Gatekeeper functions and configuration |
| Topic 6: Describe a Dial Plan | 13% | - Digit manipulation and route patterns - Dial plan components and functions - Call routing and PSTN connectivity |
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
Question 1
When configuring a new Cisco 7965 SCCP phone in Cisco Unified Communications Manager Express, which load file needs to be included under telephony-service?
A. cnu45.8-4-0-79.sbn
B. jar45sccp.8-4-0-79.sbn
C. cvm45sccp.8-4-0-79.sbn
D. apps45.9-0-2ES2.sbn
E. term65.default.loads
F. term45.default.loads
G. dsp45.8-4-0-79.sbn.
H. dsp45.8-4-0-79.sbn
I. SCCP45.9-0-2SR1S.loads
Question 2
What are the three appropriate DSCP-to-CoS map statements that will assign AF31 and AF32 a CoS of 3, and AF42 a CoS of 4? (Choose three.)
A. mls qos map dscp-cos 36 to 4
B. mls qos map dscp-cos 32 to 3
C. mls qos map dscp-cos 0 8 16 26 34 46 48 56
D. mls qos map dscp-cos 0 8 18 af31 34 46 48 56
E. mls qos map dscp-cos 28 to 3
F. mls qos map dscp-cos af31 to 3
Question 3
In which situation would an administrator configure telephony services, but not configure any individual ephones?
A. Remotely located phones that are controlled by a third-party PBX
B. This is not a valid scenario. Ephones are always required.
C. Phones that are controlled by Cisco Unified Communications Manager Express
D. Cisco Unified Communications Manager Express with HSRP
E. Cisco Unified Communications Manager SRST fallback
Question 4
When Cisco Unified Communications Manager Express is used, which type of files are used to enable phone displays and operations?
A. Unified Communications Manager Express TSP archive files
B. phone firmware files
C. phone GUI files
D. Unified Communications Manager Express basic files
Question 5
What is the Cisco recommended best practice for using data VLANs and voice VLANs?
A. Use only voice VLANs.
B. Use the same VLAN ID for both data and voice.
C. Use one VLAN ID for data and use one VLAN ID for voice.
D. Use only data VLANs.
Solutions:
| Question 1 Answer: I | Question 2 Answer: A,E,F | Question 3 Answer: E | Question 4 Answer: B | Question 5 Answer: C |
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