Some candidates buy twice because the first version went stale. TestInsides prevents that: your 642-742 purchase includes 365 days of free updates, so the latest Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 content is always a download away in 2026.
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 |
| Available Languages: | English, Japanese |
| Exam Format: | Multiple-choice single answer, Multiple-choice multiple answer, Drag-and-drop, Simulation |
| Exam Price: | USD 300 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 55-75 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 750 / 1000 |
| Recommended Training: | Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 |
| Exam Registration: | Pearson VUE Registration |
| 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 |
|---|---|---|
| Implement QoS for Voice and Video | 23% | - CAC and admission control - WMM and 802.11e QoS - DSCP and CoS marking - TSM and performance monitoring |
| Implement Multicast over Wireless | 15% | - Multicast for voice and video - VideoStream and multicast optimization - Multicast modes and challenges |
| Describe and Design Voice over Wireless Architecture | 27% | - VoWLAN fundamentals and requirements - 802.11 standards and voice enhancements - RF design considerations for voice - Roaming and mobility protocols |
| Implement VoWLAN Features and Security | 25% | - Cisco 792x IP phone deployment - Power save and U-APSD - WLAN configuration for voice clients - Authentication and encryption for voice |
| Troubleshoot VoWLAN and High-Bandwidth Applications | 10% | - RF and coverage problems - Roaming and QoS troubleshooting - Common voice issues and diagnostics |
642-742 Exam Facts: What to Know Before You Commit
Cisco recommends the following official training resources:
Choose the format that fits your schedule, then reinforce it with regular question practice.
The latest exam information lists 55-75 questions for the 642-742 exam, to be completed within 90 minutes minutes. Knowing the format cold is half the battle — timed practice handles the other half.
These are the core domains of the Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 blueprint:
- Describe and Design Voice over Wireless Architecture (27%)
- Implement QoS for Voice and Video (23%)
- Implement VoWLAN Features and Security (25%)
The remaining domains appear in the full official outline, all of which our bank addresses.
Cisco sets the following prerequisites for the Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0: Valid CCNA Wireless certification or any CCIE certification.
Check the current requirements on the official certification page before scheduling.
Validity is maintained, not assumed. Our dedicated IT team checks the system and pushes new versions to the site continuously, so the 642-742 bank on sale is always the latest — with expert-verified answers across the Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 objectives. You can also pick the format that fits your devices: an easy-to-read PDF, a Windows PC test engine, or a browser-based online engine for Windows, Mac, Android, and iOS. Questions? Support replies to instant messages and emails within two hours.
Upon successful payment, the complete materials are available immediately: a download link on screen and an automatic email to your mailbox within about a minute. If nothing arrives within two hours, check spam and contact support. Every purchase carries a 365-day service warranty — you can download the latest valid version free whenever it is released, no matter when you bought — and a 50% renewal discount follows when the period ends.
Use the official registration channels below:
Pick a center or online appointment that suits your timeline, and book early for the best selection of dates.
Yes, we keep our promises — in writing. If you fail the corresponding exam within 60 days of purchase, email us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; we process verified refunds in full within seven days. The exclusions are plain: exams taken within three days of purchase, candidate names that do not match the payer, and free or expired products. If you prefer, we will exchange your product for two others of equal value at no charge.
As of the latest information, the 642-742 exam's passing score is 750 / 1000 and the registration fee is USD 300. Cisco can adjust either figure, so verify both on the official site before you book.
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Refer to the exhibit.
Which two statements describe the WLC configuration? (Choose two.)
- A. Priority new calls can be expedited.
- B. Priority roaming calls can be expedited.
- C. AP will effectively allow 69% of bandwidth for local new calls.
- D. AP will effectively allow 81% of bandwidth for local new calls.
- E. AP will effectively allow 75% of bandwidth for local new calls.
Correct Answer: A,C 🗳️
A Cisco WLC v7.0 is properly configured for 802.11n and multicasting video without the optional Cisco VideoStream. Which three options best describe the frames that are sent from the AP to the wireless clients? (Choose three.)
- A. After startup, throughput is consistent.
- B. no retransmission
- C. After startup, throughput can vary over time.
- D. unicast to subscribed clients
- E. multicast to subscribed clients
- F. retransmission upon failure of delivery
Correct Answer: B,C,E 🗳️
A network engineer is deploying wireless voice with a 20% overlap at -67dBm. After testing, the cell edge is determined to be 50 feet from the AP. How far away should the next AP be placed?
- A. 70 feet
- B. 80 feet
- C. 100 feet
- D. 90 feet
- E. 60 feet
Correct Answer: D 🗳️
Which mechanism detects if VoWLAN clients are experiencing poor signal-to-noise ratio values and causes the power of APs to increase as needed in order to rectify signal-tonoise issues?
- A. RSSI
- B. CHD
- C. QBSS
- D. CCA
- E. 802.11h
Correct Answer: B 🗳️
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. APSD
- B. WMM
- C. 802.11a
- D. SIFS
- E. 802.11r
- F. 802.11e
Correct Answer: B,F 🗳️
Harriet 
Nicola 
Andrea 
Ford 
Hunter 
Herbert 
Mag 
Meroy 
Jared 
Patrick 
Isabel 
Page 
Fitzgerald 
Yvonne 
John 
Harvey 
Winfred 
Kennedy 
Riva 
