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Cisco 642-742 Exam Syllabus Topics:

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

1. A wired packet that is marked for QoS priority CS4 arrives on VLAN-4 at Cisco WLC v7.0, with a destination of a WLAN SSID-4. The Cisco WLC is configured for the wired and
wireless QoS level of Silver. The infrastructure routers and switches have incorrect QoS configurations. They have mismarked the CAPWAP outer header to a QoS priority EF.
Which statement is true about how the packet is sent from the AP to the final WMM wireless client?

A) The AP sends the packet with an 802.11 priority tag of 0 (Best Effort).
B) The AP sends the packet with an 802.11 priority tag of 5 (Gold).
C) The AP sends the packet with an 802.11 priority tag of 6 (Platinum).
D) The AP sends the packet with an 802.11 priority tag of 3 (Silver).

2. Refer to the exhibit.

An engineer notices VoWLAN calls getting dropped and uses Spectrum Expert to analyze the RF utilization. Based on the Spectrum Expert capture, what two options describe the interferer and how to mitigate it? (Choose two.)

A) DECT 6.0 Cordless phone interference
B) microwave oven interference
C) Disable UNII-2 channels
D) Disable DCA
E) Bluetooth interference
F) Disable DFS
G) Disable RRM
H) Radar interference

3. In order to place a call, what is the first step that a wireless phone must do?

A) Update its firmware with the Call Manager.
B) Register with a call agent.
C) Associate with the wireless infrastructure.
D) Authenticate with the web authentication server.

4. A customer is deploying a few remote sites and has decided to use FlexConnect mode for the wireless access points. The customer needs to have seamless roaming for the voice clients at these sites. What two configurations need to be implemented to guarantee roaming? (Choose two)

A) 802.11r
B) centrally switched SSIDs
C) CCKM
D) OKC/PKC
E) FlexConnect Groups

5. Which one of these options best describes the ideal WLAN design for wireless VoIP clients?

A) smaller cells with APs in the inner areas using omnidirectional antennas, and APs on the outer walls using directional antennas facing inward
B) smaller cells with higher speeds and CAC-enabled prioritization of WMM clients
C) smaller cells with all configurable speeds to ensure that all clients (802.11a/b/g) can associate to the wireless infrastructure
D) larger cells with higher speeds and WPA2 security enabled to ensure the best possible coverage

Solutions: