642-742 IUWVN Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0


642-742 IUWVN Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

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Product Description

Exam Number/Code: 642-742

Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

Questions and Answers: 188 Q&As

Version: PDF

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Exam Number 642-742 IUWVN
Associated Certifications CCNP Wireless
Duration 90 minutes (50 – 60 questions)
Available Languages English, Japanese
Register Pearson VUE

The 642-742 IUWVN Implementing Cisco Unified Wireless Voice Networks exam is the exam associated with the CCNP Wireless certification. This 642-742 IUWVN 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.


27% 1.0 Describe and Design Voice over Wireless Architecture

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 wireless
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 schemes
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



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