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

1. Wireless IP phone users are complaining that during the day there are certain points in the facility where voice quality is poor. How should you troubleshoot this issue?

A) Go into the Cisco WLC and monitor client details for WMM issues.
B) Perform a detailed analysis of the voice call quality from end to end.
C) Locate the APs in question and use the Cisco WLC to enable TSM to capture WLAN voice traffic statistics.
D) Ask the users to capture voice quality statistics from their wireless IP phones the next time they have issues.

2. Your Cisco Unified Wireless IP Phones 7921G and 7925G are associated with the VoWLAN at your branch office. When they attempt to place a call, the call fails to go through and you receive a fast busy tone. What is the issue?

A) The wireless phones failed to register with the Cisco Unified Communications Manager cluster.
B) The local gateway rejected the call because of high IP WAN utilization.
C) Automatic alternate routing has been invoked.
D) The Cisco Unified Communications Manager cluster invoked CAC to preserve IP WAN voice bandwidth.

3. What is the best practice for configuring data rates for an 802.11b VoWLAN deployment?

A) Configure mandatory data rates of 11 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
B) Configure a mandatory data rate of 11 Mb/s. Disable data rates below 11 Mb/s and all other data rates as supported.
C) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
D) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.

4. A network engineer is limiting the number of voice calls on an AP. Which technology should be used?

A) SIP
B) RTP
C) CAC
D) SCCP

5. Which four statements describe attributes of interactive video? (Choose four.)

A) Jitter has no significant requirements.
B) Jitter is limited to 30 ms.
C) QoS marking is at AF41.
D) QoS marking is at CS4.
E) One-way latency is limited to a few seconds.
F) Packet loss is limited to 1 percent.
G) One-way latency is limited to 150 ms.
H) Packet loss is limited to 5 percent.

Solutions: