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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
Exam Format:Drag-and-drop, Simulation, Multiple-choice single answer, Multiple-choice multiple answer
Real Exam Qty:55-75
Related Certifications:CCIE Wireless
Available Languages:Japanese, English
Certificate Validity Period:3 years
Exam Duration:90 minutes
Exam Price:USD 300
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:

SectionWeightObjectives
Topic 1: Implement Multicast over Wireless15%- Multicast for voice and video
- Multicast modes and challenges
- VideoStream and multicast optimization
Topic 2: Describe and Design Voice over Wireless Architecture27%- RF design considerations for voice
- 802.11 standards and voice enhancements
- Roaming and mobility protocols
- VoWLAN fundamentals and requirements
Topic 3: Troubleshoot VoWLAN and High-Bandwidth Applications10%- RF and coverage problems
- Roaming and QoS troubleshooting
- Common voice issues and diagnostics
Topic 4: Implement VoWLAN Features and Security25%- Cisco 792x IP phone deployment
- WLAN configuration for voice clients
- Power save and U-APSD
- Authentication and encryption for voice
Topic 5: Implement QoS for Voice and Video23%- DSCP and CoS marking
- WMM and 802.11e QoS
- CAC and admission control
- TSM and performance monitoring

Your Cisco 642-742 Exam Questions, Answered

The Cisco 642-742 exam, officially titled Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0, is the required test for earning the CCNP Wireless certification, a credential at the Professional level. Passing it validates the skills Cisco expects from certified professionals, and it can also support progress toward related credentials such as CCIE Wireless.

The 642-742 exam includes 55-75 questions, and you have 90 minutes to complete it. Before exam day, divide the available time by the question count so you know the pace you need to hold, and practice flagging time-consuming items for review instead of stalling on a single question. Timed sessions in the Actualtests4sure test engine are the easiest way to build that rhythm before it counts.

You need 750 / 1000 to pass the 642-742 exam, and the official registration fee is USD 300. Keep in mind that a failed attempt means paying that fee in full again for a retake, so avoid booking your seat on a hunch. Work through the Actualtests4sure practice test until your scores sit comfortably above the passing requirement before you schedule the exam.

Cisco asks candidates to meet the following requirement before registering: Valid CCNA Wireless certification or any CCIE certification. Exam policies do change, so confirm the latest details on the official exam page at https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-742.html before you book.

You can book your seat through the official registration channels below:

The 642-742 exam is delivered in the following format: Online proctored or onsite at Pearson VUE test centers.

Cisco recommends the following official training for this exam:

A course builds the theory; practice turns it into exam-day performance. Once you finish a class, the 190 practice questions from Actualtests4sure show you how the same knowledge appears in exam-style items.

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The Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 exam is organized into 5 major domains. Some of the key domains include:

  • Implement VoWLAN Features and Security, accounting for 25% of the exam
  • Implement QoS for Voice and Video, accounting for 23% of the exam
  • Troubleshoot VoWLAN and High-Bandwidth Applications, accounting for 10% of the exam

Scroll up to the Exam Topics section for the complete breakdown, and use it to plan how much study time each domain deserves.

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

Question #1

A Cisco WLC v7.0 is configured with the default setting for wired and wireless QoS. When a wireless client sends a voice packet to the AP, how does the AP mark the outer CAPWAP header when the packet is sent to the Cisco WLC v7.0?

  • A. The AP does not match the value to the CAPWAP header, which results in best effort.
  • B. The AP uses the wireless priority value to create a matching 802.1p value in the CAPWAP header.
  • C. The AP uses the wireless priority value to create a matching DSCP value in the CAPWAP header.
  • D. The AP uses the wireless priority value to create both a matching 802.1p and DSCP value in the CAPWAP header.
Answer: A
Question #2

When implementing video teleconferencing over a wireless network, which three attributes should be considered when cell planning? (Choose three.)

  • A. client association
  • B. latency
  • C. number of users on the network
  • D. throughput
  • E. jitter
  • F. packet loss
Answer: B,E,F
Question #3

Which two applications benefit from upgrading to 802.11n? (Choose two.)

  • A. database access
  • B. voice
  • C. digital imaging
  • D. video
  • E. email
  • F. SMS
Answer: C,D
Question #4

A support engineer received a ticket involving issues with voice over wireless. The customer has asked the engineer to verify their wireless deployment for voice utilizing their WCS server. What is a capability of the WCS voice readiness tool?

  • A. call location tracking
  • B. non voice SSID contention graphs
  • C. Traffic Stream metric reporting
  • D. voice statistics via call re-play
Answer: C
Question #5

A wireless customer has called with a problem regarding voice calls. When a person is put on hold, there is silence and the music on hold does not come across. What is a requirement of music on hold?

  • A. There needs to be multicast routing configured network wide from the access point to the wireless controller.
  • B. The wireless voice network needs to be configured for a QoS of platinum to permit the multicast traffic.
  • C. The music on hold's multicast address needs to be configured for multicast direct.
  • D. Multicast routing should be configured at least to the wireless controller and client dynamic interfaces.
Answer: D

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