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

1. A single Layer 2 multicast address can map to how many IPv4 multicast addresses?

A) 8
B) 1
C) 16
D) 32
E) 28
F) 64

2. Which statement describes the benefit of WMM U-APSD over legacy 802.11 power-save mode?

A) Client can burst data without standard interframe spacing.
B) Client can burst data without ACKs.
C) Client sleep mode is scheduled by AP to reduce jitter.
D) Client no longer sends null frame to notify of sleep mode.

3. What are the benefits from enabling TSM for a VoWLAN using a WLC v7.0?

A) provides packet loss, latency, and additional parameters on VoWLAN call segment
B) provides packet loss and latency covering the end-to-end voice path on all links
C) provides packet loss covering the end-to-end voice path on all links and additional parameters on VoWLAN segment
D) provides packet loss and latency covering the end-to-end voice path on all links and additional parameters on the VoWLAN segment

4. You have recently enabled multicast on your WLAN. When users join the multicast sessions, you see the traffic utilization on all the APs that are controlled by the Cisco WLC v7.0 increase, which includes those APs where there are no multicast clients.
Which configuration parameter needs to be verified to prevent APs with no subscribed multicast clients from receiving traffic?

A) APs are not configured for IGMP snooping.
B) Switches between the Cisco WLC and APs are not configured for IGMP snooping.
C) The Cisco WLC is not configured for IGMP snooping.
D) The router interface that services the multicast needs to be configured for the sparse-dense multicast mode of operation.
E) This is normal operation and cannot be changed.

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

Solutions: