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100% Cisco 642-742 Guaranteed Success With Testing Engine

Exam Code: 642-742

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

Updated: Sep 07, 2025

Number: 190 Q&As with Testing Engine

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

1. WLCs v7.0 have been configured for multicast and IGMP snooping enabled, with all other parameters set to default. A wireless client actively receiving a multicast group roams from WLC1 to WLC2, both of which are configured for the client IP subnet. Which statement describes the roaming process?

A) There is no required action from the client and WLC2 becomes foreign controller and WLC1 becomes anchor controller.
B) A new IGMP packet is required from the client and WLC2 becomes foreign controller and WLC1 becomes anchor controller.
C) There is no required action from the client and WLC2 becomes the local anchor controller.
D) A new IGMP packet is required from the client and WLC2 becomes the local anchor controller.


2. What protocol can be enabled to listen in on IPv4 multicast streams and maintain a map of what each client requests on a wireless LAN controller?

A) NTP
B) PAP
C) IGMP
D) SIP
E) ICMP
F) MLD


3. Which two statements correctly describe WLAN QoS configuration related to WMM? (Choose two.)

A) 7920 Client CAC mode is not compatible with WMM policy and cannot be used at the same time.
B) 7920 AP CAC and 7920 client CAC modes are for 802.11a/n only.
C) 7920 AP CAC and 7920 client CAC modes are for 802.11b/g/n only.
D) 7920 AP CAC mode is not compatible with WMM policy and cannot be used at the same time.
E) 7920 AP CAC and 7920 client CAC modes are for 802.11a/b/g/n.


4. Assuming 30% total overhead and no other clients on an AP, how many single stream 802.11n 2.4GHz IP cameras that output a 6 Mbps video feed could one 802.11n AP support?

A) 4 cameras
B) 12 cameras
C) 8 cameras
D) 16 cameras


5. A customer requests that wireless infrastructure is able to support video over wireless for streaming corporate informational videos for new-hire employees. What two minimum requirements should be met when laying out the guidelines to support video streaming? (Choose two.)

A) loss rate should not exceed 1%
B) acceptable delay for video should not exceed 9 to 10 seconds
C) acceptable delay for video should not exceed 4 to 5 seconds
D) acceptable delay for video should not exceed 150ms
E) no loss should occur
F) the loss rate should not exceed 5%


Solutions:

Question # 1
Answer: C
Question # 2
Answer: C
Question # 3
Answer: A,C
Question # 4
Answer: C
Question # 5
Answer: C,F

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