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Cisco 642-437 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Quality of Service (QoS) | - Traffic classification and marking - Queuing techniques and bandwidth management - QoS models and mechanisms - Congestion management and avoidance |
| Topic 2: Call Admission Control and Performance | - Call admission control mechanisms - Voice network performance considerations |
| Topic 3: Signaling and Call Control | - SIP, H.323, and MGCP protocols - Dial plans and call routing - Gateways and gatekeepers |
| Topic 4: Troubleshooting and Operations | - Common VoIP deployment issues - Voice and QoS troubleshooting methodologies |
| Topic 5: VoIP Fundamentals | - Voice over IP architecture and components - Voice codecs and compression techniques - Voice traffic signaling basics |
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
Question 1
Which type of ephone-dn can be used to support one virtual voice port with support for two channels?
A. dual-channel
B. dual-voice-channel
C. single-line
D. dual-line
Question 2
Which command should you use to configure a dial-peer to support T.38 fax relay and to use Cisco fax relay if T.38 fails?
A. fax relay t38 cisco
B. fax protocol t38 fallback cisco
C. fax t38 fallback cisco
D. fax relay t38 backup cisco relay
Question 3
Which Session Initiation Protocol server role is given to the component that implements a mechanism to resolve addresses?
A. Location server
B. Session Initiation Protocol router
C. Session Initiation Protocol proxy
D. Naming server
Question 4
Refer to the exhibit.
Which type of ephone-dn is configured for the two ephones that are shown?
A. shared-line, nonexclusive
B. two directory numbers with one telephone number
C. shared-line, overlay
D. octo-line
E. single-line-octo
F. hunt line
Question 5
Which WAN connection speeds are recommended for using link fragmentation and interleaving?
A. speeds at 768 and lower
B. speeds between 64 and 512
C. speeds between 512 and 768
D. speeds at T1 and below
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: A |
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