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300-820 Exam Dumps : Implementing Cisco Collaboration Hybrid and Cloud Technologies

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Implementing Cisco Collaboration Hybrid and Cloud Technologies Questions and Answers

Question 1

Which two internal SIP endpoints behind a firewall place calls to external devices? (Choose two.)

Options:

A.

An Expressway-C communicates with the internal endpoint and forwards the media to and from an Expressway-E.

B.

A Cisco Endpoint is configured with a publicly routable static NAT SIP address to advertise instead of is private IP address.

C.

An Expressway-C communicates directly with the remote party using the ICE protocol

D.

An Expressway-E is used as a VPN server to allow remote SIP edge servers to connect calls

E.

An Expressway-C rewrites the SIP SDP to advertise its own IP address to the external party.

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Question 2

Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "user@example.com" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.

DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager.

Which change resolves the DNS problem?

Options:

A.

Change cisco-uds to point to the Expressway-E FQDN.

B.

Change the collab-edge record to point to 5061.

C.

Remove the cisco-uds SRV record for the external DNS.

D.

Change the priority of the SRV record for cisco-uds.

Question 3

A new set of Expressway-C and Expressway-E is deployed and was configured for Mobile and Remote Access with basic settings. How must the engineer edit the inbound allow list rule?

Options:

A.

Go to Configuration > Unified Communications > HTTP allow list > Editable inbound rules to view.

B.

Go to Configuration > MRA > HTTP allow rules > Editable inbound rules to view, create, modify, or delete HTTP allow list rules.

C.

Go to Configuration > MRA > Editable Inbound rules to view, create, modify, or delete HTTP allow list rules.

D.

Go to Configuration > Unified Communications > MRA > HTTP allow list > Editable inbound rules to view, create, modify, or delete HTTP allow list rules.