Question: 1
Which two protocols are proxied over an Expressway-E/C pair when a MRA login including phone services is performed? (Choose two.)
Question: 2
If a phone needs to register with cucm1.cisco.com, which network service assists with the phone registration process?
Question: 3
Refer to the exhibit.
An engineer is troubleshooting this video conference issue:
A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works.
As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2, the Region1 endpoint cannot see the Region2 endpoint video.
What is the cause of this issue?
Question: 4
Refer to the exhibit.
A collaboration engineer is configuring the Cisco UCM IM and Presence Service. Which two steps complete the configuration of the SIP trunk security profile? (Choose two.)
Question: 5
Refer to the exhibit.
Cisco Unified Border Element is attempting to establish a call with Subscriber 1, but the call fails. Cisco Unified Border Element then retries the same call with Subscriber 2, and the call proceeds normally. Which action resolves the issue?