Topic 1A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires videocommunication with external partners and customers. It is important to ensure security for the deployment and theconnectivity.What must be set up to enable this requirement?

Topic 1An organization with a domain name of example.com.Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)

Topic 1What is the purpose of a transform in the Expressway server?

Topic 1When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect theNAT address?

Topic 1Which complication does a NAT introduce in SDP for a SIP call?

Topic 1Refer to the exhibit. Which two numbers match the regular expression? (Choose two.)

Topic 1Which media encryption mode can be configured on an Expressway zone?

Topic 1What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

Topic 1What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IPaddresses and try to make a call over IP without any collaboration infrastructure?

Topic 1A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able tocommunicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only onSIP.Which functionality would describe the feature that needs to be enabled and where to achieve this?

Topic 1What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

Topic 1A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpointsinternally and externally.For which reason would you see activity on the TURN server when a call is established between two external endpoints?

Topic 1What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM andPresence clusters?

Topic 1Which role does Call Policy play when preventing toll fraud on Expressways?

Topic 1Cisco Collaboration endpoints are exchanging encrypted signaling messages.What is one major complication in implementing NAT ALG for voice and video devices?