Study with 642-742 Actual Test Questions
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Updated: Sep 02, 2026
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Cisco 642-742 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 |
| Exam Number: | 642-742 |
| Related Certifications: | CCIE Wireless |
| Real Exam Qty: | 55-75 |
| Exam Price: | USD 300 |
| Available Languages: | Japanese, English |
| Certificate Validity Period: | 3 years |
| Exam Format: | Drag-and-drop, Multiple-choice multiple answer, Multiple-choice single answer, Simulation |
| Exam Duration: | 90 minutes |
| Passing Score: | 750 / 1000 |
| Recommended Training: | Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Cisco 642-742 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Valid CCNA Wireless certification or any CCIE certification |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-742.html |
Cisco 642-742 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implement QoS for Voice and Video | 23% | - DSCP and CoS marking - TSM and performance monitoring - CAC and admission control - WMM and 802.11e QoS |
| Topic 2: Implement VoWLAN Features and Security | 25% | - Cisco 792x IP phone deployment - Authentication and encryption for voice - WLAN configuration for voice clients - Power save and U-APSD |
| Topic 3: Describe and Design Voice over Wireless Architecture | 27% | - 802.11 standards and voice enhancements - VoWLAN fundamentals and requirements - RF design considerations for voice - Roaming and mobility protocols |
| Topic 4: Troubleshoot VoWLAN and High-Bandwidth Applications | 10% | - Common voice issues and diagnostics - RF and coverage problems - Roaming and QoS troubleshooting |
| Topic 5: Implement Multicast over Wireless | 15% | - Multicast for voice and video - Multicast modes and challenges - VideoStream and multicast optimization |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Question 1
Refer to the exhibit.
Which three statements describe the WLC configuration? (Choose three.)
A. CAC values are relatively high.
B. CAC values are relatively low.
C. It applies to platinum and gold QoS.
D. It enables TSPEC, given other appropriate configurations.
E. It applies to platinum QoS.
F. It enables QBSS, given other appropriate configurations.
Question 2
What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?
A. Configure mandatory data rates of 9 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 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
C. Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.
D. Configure a mandatory data rate of 54 Mb/s. Disable data rates below 36 Mb/s and configure all other data rates as supported.
Question 3
A hospital is implementing wireless mobile carts outfitted to provide High-Definition IPTV access for patients. The end-user will need to be able to move around, while maintaining a high definition stream with as few artifacts as possible while viewing. What three technologies need to be utilized to guarantee access at this requirement and how would they be configured? (Choose three.)
A. configure the video stream under Media Streams with "High" template
B. set SSID QoS to gold
C. set controller to Multicast-to-Multicast mode
D. set SSID QoS to platinum
E. configure the video stream under Media Streams with "Medium" template
F. set controller to Multicast-to-Unicast mode
Question 4
Refer to the exhibit.
A controller has been completely configured to support high definition video over wireless. During the testing phase, a packet capture shows the video-stream traffic on the wire as best effort. What needs to be changed in the configuration to support QoS tags properly?
A. add the line priority queue in
B. add the line mls qos trust cos
C. add the line mls qos trust device wlc
D. add the line mls qos trust dscp
Question 5
Which two options allow a Cisco Unified Wireless IP Phone 7925G to conserve its battery? (Choose two.)
A. S-APSD
B. PS-Poll
C. U-APSD
D. 802.11h
E. 802.11r
Solutions:
| Question 1 Answer: A,D,E | Question 2 Answer: B | Question 3 Answer: A,B,C | Question 4 Answer: B | Question 5 Answer: B,C |
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