Study tips 642-427

What is the most likely cause for this issue?

what point should you restart the troubleshooting process?

What can cause this issue?

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?

Which two troubleshooting tools can isolate why some users cannot call each other in headquarters?

Which action fixes the registration of the branch phones?

Which three DHCP options must be set properly in each subnet for all phones to register to Cisco Unified Communications Manager?

Which two actions allow the route patterns in each cluster to route calls to the other cluster?

Which change is needed to allow all accounting phones to call all finance phones?