Two callers, using the Cisco Unified Wireless IP Phone 7921 on the same AP running autonomous
Cisco IOS Software, have trouble calling each other, but the problem does not exist when they call
each other using a wired IP phone. Signaling and call routing appear to work correctly. What else
might be causing the problem?

You want to expand the services of your wireless network and add location tracking on top of voice
over wireless. Although the existing wireless network offers excellent voice over wireless services,
tracking accuracy is not working well enough. You decide to contract a site survey engineer. What is
this engineer most likely to recommend?

Refer to the exhibit.

You are a wireless specialist and have been called to inspect an existing wireless network that offers
voice services. High channel utilization on 2.4 GHz has been reported. How can you solve this
problem?

Refer to the exhibit.

A Cisco Wireless IP Phone is unable to seamlessly roam on 2.4 GHz. There are interruptions of
several seconds on each roaming. No problems are reported on 5 GHz. A full site survey for voice has
been completed on both bands.
Which Cisco WLC feature does this issue involve?

To achieve location tracking, which four tasks must be completed? (Choose four.)

When designing a WLAN network using Cisco 1142 APs to support both voice services (Cisco 7921 IP
Phones) and data services, what design principles are true? (Choose 2)

Resource Reservation Control (RRC) provides enhanced capabilities to manage admission and policy
controls when deploying VideoStream on a Cisco Unified Wireless Network. Which statement
correctly states the decision making process RRC goes through to admit or deny a client from joining
a stream?

Which two statements are true regarding the location tracking history on the Cisco 3300 Series
Mobility Services Engine? (Choose two.)

When designing a WLAN network to support both voice and context-aware services, which set of
design principles should you follow?

When deploying the Cisco Unified Wireless IP Phone 7925 running firmware release 1.3.4 on a Cisco
Unified architecture, which features should you enable to support fast secure roaming while
maintaining a scalable deployment?