Cisco CCNP Wireless 642-742

A Cisco credential carries real weight with employers, and the Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 exam is the step that earns it. Getcertkey makes that step shorter with 190 expert-prepared practice questions for the 642-742 exam.

Cisco 642-742 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Exam Number:	642-742
Available Languages:	English
Related Certifications:	CCNP Wireless
Exam Format:	Multiple choice
Real Exam Qty:	188
Sample Questions:
Exam Way:	Onsite at test center or online proctored
Pre Condition:	Recommended: Knowledge of wireless networking (e.g., IUWNE or equivalent) and CCNP Wireless track
Official Syllabus URL:	https://www.cisco.com/site/us/en/learn/training-certifications/exams/index.html

Cisco 642-742 Exam Syllabus Topics:

642-742 Exam FAQs for 2026 Candidates

Which certification does the 642-742 exam lead to?

The 642-742 exam is the official Cisco exam behind the CCNP Wireless certification, validating the skills measured by the Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 credential. It sits at the Professional level of the Cisco certification program. It also connects to CCNP Wireless, so the knowledge you build here carries over to those tracks as well.

Are there any prerequisites for the 642-742 exam?

Recommended: Knowledge of wireless networking (e.g., IUWNE or equivalent) and CCNP Wireless track Requirements can change when Cisco revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

Can I try the 642-742 practice questions before I buy?

Yes. Getcertkey provides a free 642-742 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Cisco revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

What if I fail the 642-742 exam, and how is my order delivered?

Every Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

What topics are covered in the 642-742 exam?

The Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 exam blueprint is organized into 5 domains. The first three are:

• Multicast over Wireless
• Preparing for High-Bandwidth Wireless Applications
• VoWLAN Implementation and Troubleshooting

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

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

Question 1

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 mls qos trust dscp
B. add the line priority queue in
C. add the line mls qos trust cos
D. add the line mls qos trust device wlc

Question 2

After enabling global multicast, multicast traffic has been flooding the wired and wireless network. The wireless engineer has been troubleshooting and is attempting to find the source of the traffic. What command will display the multicast traffic source as well as the incoming interface?

A. show ip mroute
B. show ip pim neighbor
C. show ip igmp groups
D. show ip device tracking all

Question 3

Which two statements are correct if IGMP snooping is enabled on a Cisco WLC v7.0? (Choose two.)

A. The IGMP packets from the wireless clients are received at the WLC and are used to update the router via a Cisco Group Management Protocol update from the Cisco WLC.
B. The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
C. The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
D. The IGMP packets from the wireless clients are forwarded to the router without modifications.
E. The IGMP packets from the wireless clients are received at the Cisco WLC, which generates a query for the client.

Question 4

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

A. jitter
B. throughput
C. number of users on the network
D. latency
E. packet loss
F. client association

Question 5

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. Traffic Stream metric reporting
C. voice statistics via call re-play
D. non voice SSID contention graphs

Solutions: