Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Certification Provider: Cisco
Corresponding Certification: CCNP Wireless
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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Voice Deployment and Troubleshooting | - VoWLAN deployment best practices - Common voice quality issues and diagnostics |
| Topic 2: Roaming and Mobility | - Fast secure roaming (CCKM, 802.11r concepts) - Layer 2 and Layer 3 roaming behavior |
| Topic 3: Call Admission Control (CAC) | - Bandwidth management for voice sessions - CAC mechanisms in WLAN environments |
| Topic 4: QoS for Wireless Voice | - End-to-end QoS design - WMM (Wi-Fi Multimedia) and prioritization |
| Topic 5: Wireless Voice Fundamentals | - 802.11 standards and voice considerations - Voice over WLAN concepts |
| Topic 6: Cisco Unified Wireless Architecture | - Access point and controller interaction - Controller-based WLAN design |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
1. Which two statements describe the capability of TSM to collect statistics that are related to VoWLAN on Cisco WLC v7.0? (Choose two.)
A) It requires Cisco Compatible Extensions clients for uplink statistics only.
B) It requires Cisco Compatible Extensions clients for uplink and downlink statistics.
C) It is operational only on 802.11a/n radio.
D) It is operational on both 802.11g/b/n and 802.11a/g radio.
E) The feature is enabled by default.
2. 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) Multicast routing should be configured at least to the wireless controller and client dynamic interfaces.
B) The music on hold's multicast address needs to be configured for multicast direct.
C) There needs to be multicast routing configured network wide from the access point to the wireless controller.
D) The wireless voice network needs to be configured for a QoS of platinum to permit the multicast traffic.
3. A wireless network needs for QoS to be mapped end-to-end to provide reliability for network applications. What two port configurations and QoS markings should be utilized for the switch to accept the APs tags? (Choose two.)
A) For a local mode AP the switchport should be configured as a trunk port trusting both DSCP or CoS tags from the AP.
B) For a local mode AP, the switchport should be configured as an access port trusting the DSCP tag from the AP.
C) The switch should have MLS QoS enabled with all uplink and downlink ports configured to trust DSCP tags. All uplink switches need to trust the DSCP tags as well.
D) For a local mode AP, the switchport should be configured as an access port trusting the CoS tag from the AP.
E) The switch should have MLS QoS enabled with all uplink and downlink ports configured to trust CoS tags. All uplink switches need to trust the CoS tags.
4. A small wireless controller-based network is installed and configured inside a corporate building using Cisco 2500 Series controllers and 3500 Series APs using local, monitor, and rogue detector modes. All wireless clients have been working and now require multicast applications. WLC multicast is configured using multicast mode with IP address
239.10.10.10 and other parameters set to default. However, the wireless multicast traffic has limited success and does not work throughout the corporate building. What three actions can help resolve the problems? (Choose three.)
A) Change all APs to local mode and monitor mode.
B) Enable WLC IGMP snooping.
C) Increase the WLC-to-AP multicast QoS marking.
D) Verify IP address and port used by the multicast application.
E) Change all APs to local mode.
F) Change all APs to just local and rogue detector modes.
G) Verify router and switch multicast configurations.
H) Change WLC from multicast mode to Unicast mode in case of wired multicast infrastructure issues.
5. Which two configurations can resolve one-way audio in WLANs? (Choose two.)
A) maximum transmit power
B) admission control
C) DTPC
D) TPC on AP
E) Platinum QoS in the WLAN
Solutions:
| Question # 1 Answer: A,D | Question # 2 Answer: A | Question # 3 Answer: B,E | Question # 4 Answer: D,E,G | Question # 5 Answer: C,D |
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