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Cisco 642-742 Exam Syllabus Topics:

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

Question 1

Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)

A. 25 dB SNR
B. TSM
C. DHCP
D. -67 dBm cell edge
E. MOS

Question 2

What are the results that you can expect when performing a Cisco WLC v7.0 link test on a wireless IP phone?

A. A device that is not running a version of Cisco Compatible Extensions will show packets
that are sent, packets that are received, local signal strength, and SNR.
B. The device must be running at least Cisco Compatible Extensions v2 or higher, for the test and results to be successful.
C. The device must be running at least Cisco Compatible Extensions v4 or higher, for the test and results to be successful.
D. A device that is not running a version of Cisco Compatible Extensions will show only packets that are sent and received.

Question 3

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

Question 4

Refer to the exhibit.

What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)

A. WMM
B. 802.11a
C. APSD
D. SIFS
E. 802.11e
F. 802.11r

Question 5

Users are experiencing poor audio quality when calling from their 7925 series VoIP Phones. Call quality is exceptional from wired to wired phones, but not from wired to wireless phones. The wired network has QoS deployed properly and the SSID is configured with Platinum QoS. What should be verified to troubleshoot the issue?

A. The controller is marking the 802.1p tag of 3, the AP switchport has been configured to trust DSCP, and the controller's switchport to trust CoS.
B. The controller is marking the 802.1p tag of 5, the AP switchport has been configured to trust DSCP, and the controller's switchport to trust CoS.
C. The controller is marking the 802.1p tag of 4, the AP switchport has been configured to trust CoS, and the controller's switchport to trust DSCP.
D. The controller is marking the 802.1p tag of 6, the AP switchport has been configured to trust CoS, and the controller's switchport to trust DSCP.

Solutions: