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Cisco 642-437 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Cisco Unified Communications Manager Express | - CUCME configuration
|
| Topic 2: Cisco Unified Border Element (CUBE) | - CUBE features and configuration
|
| Topic 3: Voice Gateways and Call Routing | - Gateway implementation and configuration
|
| Topic 4: Troubleshooting | - Troubleshooting voice and QoS issues
|
| Topic 5: VoIP Fundamentals | - Voice over IP basics
|
| Topic 6: Quality of Service (QoS) | - QoS mechanisms
|
Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:
Using the Cisco QoS baseline model, what are the PHB, DSCP, and CoS values for voice traffic, respectively?
- A. AF41, 42, and 7
- B. EF, 46, and 5
- C. EF, 42, and 3
- D. AF41, 46, and 1
Correct Answer: B 🗳️
Which three Cisco IOS commands are required to configure a voice gateway as a DHCP server to support a data subnet with the IP address of 10.1.30.0/24 and a default gateway of 10.1.30.1/24? (Choose three.)
- A. default-router 10.1.30.1
- B. default-gw 10.1.30.1/24
- C. subnet 10.1.30.1 255.255.255.0
- D. ip dhcp pool data
- E. network 10.1.30.0 255.255.255.0
- F. network 10.1.30.1/24
- G. ip dhcp pool
Correct Answer: A,D,E 🗳️
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When deploying an 802.3af switch what is the default number of Watts consumed by each port if 802.3af compliant devices are attached to the switch?
- A. 22.3 Watts
- B. 4 Watts
- C. 7 Watts
- D. 6.3 Watts
- E. 15.4 Watts
Correct Answer: E 🗳️
DRAG DROP
Click and drag the type of call on the left to the type of voice port it applies to on the right.
Cisco 642-437 Exam
Correct Answer:
Explanation:
1) T1 or E1 with CAS or PRI: PBX to PBX
2) FXO: off-net
3) FXS: local
4) FXS or switcH. on-net
5) E&M, FXO, FXS: PLAR
PBX to PBX connections can use T1 or E1 with CAS or PRI: PBX can connect to a network
through T1 or E1 lines with channel associated signaling (CAS) or Primary Rate Interface (PRI)
signaling.
For off-net calls, the typical connection between the router and the PSTN is through FXO port.
A local call just needs FXS ports so it is the only choice for this type of call.
We can make on-net calls through FXS port (phone directly connected to the router) or FXO port
(phone connected to a PBX). The "switch" here means that we can connect an IP phone through a
switch and place on-net calls through Cisco Unified Communications Manager.
A PLAR call can work with any type of signaling, including E&M, FXO, FXS interfaces.
Which of these is "trusted" when the auto qos voip command is configured with the trust parameter on routers?
- A. DES keyword
- B. DSCP
- C. MAC address of sender
- D. source address
Correct Answer: B 🗳️
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