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Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 : 642-742

642-742

Exam Code: 642-742

Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

Updated: Sep 12, 2026

Q&A Number: 190 Q&As

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Cisco 642-742 Exam Syllabus Topics:

SectionObjectives
Topic 1: Multicast over Wireless- Configure and troubleshoot multicast over wireless
- Multicast concepts and implications for wireless
Topic 2: Quality of Service (QoS) for Wireless Voice- WLC and controller QoS configuration
- Implementing QoS on wireless and wired infrastructure
Topic 3: Preparing for High-Bandwidth Wireless Applications- Bandwidth planning for wireless networks
- Support for video and latency-sensitive applications
Topic 4: VoWLAN Implementation and Troubleshooting- Configure WLAN for voice
- Troubleshoot VoWLAN issues
Topic 5: Voice over Wireless LAN (VoWLAN) Fundamentals- VoWLAN architecture and call flow
- Wireless design considerations for voice

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

Question #1
Which four hardware components are required to make an end-to-end unified wireless VoIP solution? (Choose four.)

A. CAPWAP access points
B. Cisco Mobility Services Engine server
C. wireless IP phone
D. firewalls
E. Cisco Unified Communications Manager
F. autonomous access points
G. WLAN controller
H. Cisco Wireless Control System


Question #2
What are the two equivalent 802.1p CoS categories that are associated with 802.11e AC_BE? (Choose two.)

A. 3
B. 5
C. 1
D. 2
E. 0
F. 4


Question #3
A network engineer is configuring CAC on a WLC. If CAC is configured with 85% of the total radio bandwidth on a 5-GHz radio, how many clients can be accommodated?

A. 5
B. 15
C. 12
D. 22


Question #4
What is the best practice for configuring data rates for an 802.11b VoWLAN deployment?

A. Configure mandatory data rates of 11 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
B. Configure a mandatory data rate of 11 Mb/s. Disable data rates below 11 Mb/s and all other data rates as supported.
C. Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
D. Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.


Question #5
Refer to the exhibit.

What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)

A. WMM
B. SIFS
C. 802.11r
D. APSD
E. 802.11e
F. 802.11a


Solutions:

Question #1
Correct Answer: A,C,E,G
Question #2
Correct Answer: A,E
Question #3
Correct Answer: D
Question #4
Correct Answer: B
Question #5
Correct Answer: A,E

642-742 Related Exams
300-120 - Implementing Cisco Wireless Advanced Solutions
300-110 - Designing Cisco Wireless Networks
642-732J - Conducting Cisco Unified Wireless Site Survey (CUWSS) v2.0 (642-732日本語版)
642-737J - Implementing Advanced Cisco Unified Wireless Security (IAUWS) v2.0 (642-737日本語版)
642-732 - Conducting Cisco Unified Wireless Site Survey (CUWSS) v2.0
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