Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies 300-820 CLHCT Exam Questions

An administrator is enabling Mobile and Remote Access login for the Cisco UCM registration domain cisco.com. Phones are registered with a Cisco UCM phone security profile name of securephone.cisco.com. Which two subject alternative names must be configured? (Choose two.)

Which type of interface is required when the Cisco Expressway-E is located in a DMZ between two separate firewalls on separate network segments?

A company has a single Expressway-E that exhibits high resource utilization. An engineer checks the logs and finds numerous fraudulent attempts from sip:200@cisco.com. Where must the engineer go to configure a call policy rule and block the desired URI?

What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.

What must be set up to enable this requirement?

Refer to the exhibit.

Refer to the exhibit. A company has a Cisco collaboration infrastructure that contains Cisco UCM and Cisco Expressway-C and Expressway-E for Mobile and Remote Access. When the engineer sets up the environment to support B2B calling, they discover that the zone stale between Expressway-C and Cisco UCM failed. What must the STEP Trunk Security Profile setting be changed to in Cisco UCM to resolve the issue?

In a larger Cisco Collaboration deployment, a user requires the advanced file transfer function in Cisco Jabber while the client is using Mobile and Remote Access. The deployment has multiple Expressway clusters and internal Cisco UCM clusters. Which configuration must be applied on Cisco Expressway-C for this function to be available?