Refer to the exhibit.

An IP phone that is connected through a Cisco Catalyst 3750 Series Switch is failing to register
with Cisco Unified Communications Manager. When the user presses the settings button on the
phone, the Operational VLAN ID shows a blank entry. What is the most likely cause for this issue?

If after observing the results of your action plan, the problem still remains, at what point should you
restart the troubleshooting process?

After a successful login using Cisco Extension Mobility, an IP phone performs a restart followed by
a reset.
What can cause this issue?

While you implement an action plan while troubleshooting a call setup problem, the symptoms
stop.
Which troubleshooting step is next?

Which troubleshooting tool is the most effective to display detailed real-time output of call setup on
phones that are registered to a Cisco Unified Communications Manager cluster?

Headquarters reports that some users can call each other but other users cannot call each other.
Which two troubleshooting tools can isolate why some users cannot call each other in
headquarters? (Choose two.)

Refer to the exhibit.

Phones of branch users are not registering to the headquarters Cisco Unified Communications
Manager of 10.10.10.100.
Which action fixes the registration of the branch phones?

Cisco IP Phones are being installed on several different IP subnets in a new Cisco Unified
Communications Manager installation. Phones are not registering to Cisco Unified CM.
Which three DHCP options must be set properly in each subnet for all phones to register to Cisco
Unified Communications Manager? (Choose three.)

You just installed a second Cisco Unified Communications Manager cluster at a remote site that is
accessible over your WAN link.
Which two actions allow the route patterns in each cluster to route calls to the other cluster?
(Choose two.)

Acme Corporation has Cisco IP Phones configured in a single-site Cisco Unified Communications
Manager cluster. The 10 phones in the accounting department can call each other. Another 10

phones in the finance department can call each other. However, no phones in accounting can call
the phones in finance.
Which change is needed to allow all accounting phones to call all finance phones?