IT Certification and Career Paths

642-742 IUWVN

Implementing Cisco Unified Wireless Voice Networks

Exam Number 642-742 IUWVN
Associated Certifications CCNP Wireless
Duration 90 minutes (50 - 60 questions)
Available Languages English, Japanese
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Exam Tutorial Review type of exam questions

The 642-742 IUWVN Implementing Cisco Unified Wireless Voice Networks exam is the exam associated with the CCNP Wireless certification. This exam assesses a candidate's capability to integrate VoWLAN services into the WLAN and be able to implement QoS, MPLS, and high bandwidth applications into the wireless network. Candidates can prepare for this exam by taking the IUWVN Implementing Cisco Unified Wireless Voice Networks course.

The exam is closed book and no outside reference materials are allowed. The following topics are general guidelines for the content that is likely to be included on the practical exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the following guidelines may change at any time without notice.

  • 27%     1.0   Describe and Design Voice over Wireless

      • 1.1   Describe voice as it applies to the wireless network
        • 1.1.a   Components (hardware and software)
        • 1.1.b   Call setup/data flow overview
        • 1.1.c   Other wireless voice and video services
        • 1.1.d   Standards (.11r, .11e, .11n)
        • 1.1.e   Cisco Compatible Extensions (voice features)
        • 1.1.f   Wi-Fi Multimedia (WMM)
        • 1.1.g   UAPSD
        • 1.1.h   Codecs
        • 1.1.i   Signaling Connection Control Part (SCCP)
        • 1.1.j   Session Initiation Protocol (SIP)
      • 1.2   Design wireless for voice
        • 1.2.a   Minimum speed requirements - RSSI and SNR
        • 1.2.b   Overlap requirements
        • 1.2.c   Cell separations
        • 1.2.d   Traffic separation/quality of service (QoS)/voice VLAN
        • 1.2.e   Delay and jitter reqs
        • 1.2.f   Testing tools (AirMagnet and Veriwave)
        • 1.2.g   CAC and TSPEC
        • 1.2.h   Spectrum
        • 1.2.h   .11n
        • 1.2.i   Wireless voice client requirements
      • 1.3   Utilize other design considerations, as per the voice design guide
                 (VAD, MoH, Load balancing, and so on)
        • 1.3.a   VAD
        • 1.3.b   MoH
        • 1.3.c   Load balancing
      • 1.4   Validate wireless network design for voice readiness
        • 1.4.a   Utilize the WCS voice readiness tool
        • 1.4.b   Validate site survey for voice
      • 1.5   Validate infrastructure requirements for end-to-end voice over
        • 1.5.a   CUCM
        • 1.5.b   CUCME
        • 1.5.c   QoS
        • 1.5.d   ACS
        • 1.5.e   DHCP
        • 1.5.f   TFTP
        • 1.5.g   routers
        • 1.5.h   security devices
      • 1.6   Describe VoWLAN integration with cellular providers
  • 25%     2.0   Implement VoWLAN

      • 2.1   Configure wireless client devices
        • 2.1.a   Reference current best practice guidelines
        • 2.1.b   Device security considerations
      • 2.2   Configure the WLAN for VoWLAN
        • 2.2.a   Implement current best practice guidelines
        • 2.2.b   Security configurations (PEAP, EAP-TLS, EAP-FAST)
        • 2.2.c   CCKM/PKC, 802.11r
      • 2.3   Troubleshoot VoWLAN implementation
        • 2.3.a   Spectrum Expert
        • 2.3.b   AirMagnet VoFi analyzer
        • 2.3.c   Traffic stream Metrics (TSM)
        • 2.3.d   Incremental complexity testing
  • 20%     3.0   Implement QoS for Wireless Applications

      • 3.1   Describe and implement general considerations for wired QoS
        • 3.1.a   Configurations
        • 3.1.b   DSCP/802.1p
        • 3.1.c   Voice VLAN
      • 3.2   Describe and implement the appropriate Wireless QoS deployment
        • 3.2.a   WMM
        • 3.2.b   802.11e
        • 3.2.c   Mapping - wired to wireless (five and six mismatching)
      • 3.3   Configure WCS/WLC for QoS
        • 3.3.a   Connection admission control (CAC)
        • 3.3.b   TSPEC
        • 3.3.c   QoS Basic Service Set (QBSS)
        • 3.3.d   Queues
        • 3.3.e   Bandwidth reservation
        • 3.3.f   Disable "DHCP required"
        • 3.3.g   Disable Address Resolution Protocol (ARP) unicast
        • 3.3.h   Enable ARP caching
        • 3.3.i   Cisco Identity Based Networking Services (IBN)
      • 3.4   Reference most current best practice guidelines
  • 17%     4.0   Implement Multicast over Wireless

      • 4.1   Describe general multicast concepts
        • 4.1.a   PIM (Sparse & Dense)
        • 4.1.b   CGMP
        • 4.1.c   IGMP snooping
        • 4.1.d   RP
      • 4.2   Describe implications for multicast in 802.11
        • 4.2.a   Highest mandatory data rate
        • 4.2.b   Unicast and multicast modes
        • 4.2.c   Roaming
        • 4.2.d   Mesh
        • 4.2.e   Controllers having same CAPWAP multicast group
        • 4.2.f   Video Stream (reliable multicast)
      • 4.3   Configure multicast in a wireless network
        • 4.3.a   Infrastructure multicast group
        • 4.3.b   IGMP snooping on the controller
        • 4.3.c   Video Stream (reliable multicast)
        • 4.3.d   Mobility Group multicast
      • 4.4   Troubleshoot multicast in a wireless network
        • 4.4.a   Packet captures
        • 4.4.b   Show IPM route
        • 4.4.c   Controller logs
        • 4.4.d   Debugs
          • 4.4.d (i)   Debug bcast IGMP enable
          • 4.4.d (ii)   Debug mobility multicast enable
  • 13%     5.0   Prepare the Wireless Network for VIdeo/High-
                Bandwidth Applications

      • 5.1   Describe benefits of 802.11n for video
      • 5.2   Determine bandwidth requirements for specified applications
      • 5.3   Identify application specific wireless network requirements
        • 5.3.a   WLC to wired network
        • 5.3.b   Multicast for wireless video
        • 5.3.c   Wireless security cameras
        • 5.3.d   Real-time video streaming/video conferencing
  • The following course is the recommended training for this exam.

    • Implementing Cisco Unified Wireless Voice Networks (IUWVN)

    Courses listed are offered by Cisco Learning Partners-the only authorized source for Cisco IT training delivered exclusively by Certified Cisco Instructors. Check the List of Learning Partners for a Cisco Learning Partner nearest you

    A variety of Cisco Press titles may be available for this exam. These titles can be purchased through the Cisco Marketplace Bookstore, directly from Cisco Press.

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