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Cisco 642-742 Exam Syllabus Topics:

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

1. Refer to the exhibit.

An engineer has performed a debug on wireless voice. Which four conditions can be determined from the information that was gathered? (Choose four.)

A) Increasing the maximum RF bandwidth in the wireless LAN controller could resolve this issue.
B) LBCAC is configured.
C) More than 1076 medium times remain.
D) The total number of calls allowed on the VoWLAN is 15
E) Increasing the reserved roaming bandwidth in the wireless LAN controller could resolve this issue.
F) The total number of calls allowed on the VoWLAN is 10.
G) Less than 1076 medium times remain.
H) Static CAC is configured.

2. Users are experiencing poor voice quality on a new VoWLAN. Which feature can be used to isolate the issue?

A) EDCA
B) U-APSD
C) CAC
D) TSM
E) TSPEC

3. Dual-mode phone users are requesting the ability to transfer calls from VoIP to cellular and the engineer has decided to implement the Handoff DN method. What information is required by the Call Manager?

A) H.323 connection to cell provider
B) SIP connection to cell provider
C) incoming caller ID
D) outgoing caller ID

4. Which two security technologies should be used when deploying a 100 Wi-Fi phone installation? (Choose two.)

A) Use IEEE 802.1X and WPA2 and Cisco Centralized Key Management.
B) Use WPA-PSK.
C) Use IEEE 802.1X and WEP 128.
D) Use IEEE 802.1X and WEP 256.
E) Use IEEE 802.1X with unique users on each phone.
F) Use the same IEEE 802.1X username on all phones.

5. 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.
B) Verify router and switch multicast configurations.
C) Change WLC from multicast mode to Unicast mode in case of wired multicast infrastructure issues.
D) Increase the WLC-to-AP multicast QoS marking.
E) Change all APs to just local and rogue detector modes.
F) Verify IP address and port used by the multicast application.
G) Change all APs to local mode and monitor mode.
H) Enable WLC IGMP snooping.

Solutions: