Which device must be accessible from the public Internet in a Collaboration Edge environment?

Which two options must be selected in the SIP Trunk Security Profile configuration between Cisco Unified Communications Manager and Expressway? (Choose
two)

Which two actions ensure that the call load from Cisco TelePresence Video Communication Server to a Cisco Unified Communications Manager cluster is shared
across Unified CM nodes? (Choose two.)

When configuring a video ISDN gateway, which two actions are requirements for the Cisco Preferred Architecture for Enterprise Collaboration? (Choose two.)

Which two configurations can you perform to allow Cisco Unified Communications Manager SIP trunks to send an offer in the INVITE? (Choose two.)

Which two options are requirements for deploying an H.323 gateway with Cisco Unified Communications Manager? (Choose two.)

When a call is made from a video endpoint to a Cisco TelePresence EX90 that is registered to a Cisco VCS Control, which portion of the destination URI is the first
match that is attempted?

Company X has deployed a VCS Control with a local zone and a traversal client zone. To facilitate external calls, VCS Expressway is deployed and traversal server
zone is set up there. Video endpoints inside Company X have registered but are unable to receive calls from outside endpoints. Which option could be the cause of
this issue?

Company A has deployed a VCS Control and is attempting to register a third-party endpoint. The engineer has confirmed that no traffic is being blocked for the
endpoint and it is receiving a valid IP address. Which option could be the cause of this registration failure?

Cisco Unified border element is configured to support RSVP-based CAC. When is the RSVP path and reservation message sent and received?