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300-820 Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI) Questions and Answers

Questions 4

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

Options:

A.

The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.

B.

Encrypted IP traffic for collaboration devices always is trusted by the firewall.

C.

The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.

D.

The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.

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Questions 5

Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

Options:

A.

Off

B.

Auto

C.

Force Encrypted

D.

Best Effort

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Questions 6

A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP.

Which functionality would describe the feature that needs to be enabled and where to achieve this?

Options:

A.

Interworking in Expressway-C

B.

Transcoding in Cisco Unified Communications Manager

C.

Transcoding in Expressway-C

D.

Interworking in Cisco Unified Communications Manager

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Questions 7

What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

Options:

A.

Cisco Webex Administration Tool

B.

Cisco UCM

C.

Cisco Webex Directory Connector

D.

Cisco Unified IM and Presence Server

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Questions 8

Which two statements about Expressway media traversal are true? (Choose two.)

Options:

A.

Expressway Control is the traversal server installed in the DMZ.

B.

The Expressway Edge must be put in a firewall DMZ segment.

C.

Cisco Unified Communications Manager zone can be either traversal server or client.

D.

The Unified Communications traversal zone can be used for Mobile and Remote Access.

E.

Both Expressway Edge interfaces can be NATed.

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Questions 9

When a Cisco Webex Video Mesh Node is configured for an organization, which process does the Webex Teams client use to discover the optimal bridging resource?

Options:

A.

the lowest STUN round-trip delay to each node and cloud

B.

a reachable Video Mesh Node and then overflows to the cloud, if needed

C.

the SIP delay header during call setup

D.

an HTTPS speed and latency test to each node and the cloud

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Questions 10

An administrator has been tasked to bulk entitle 200 existing users and ensure all future users are

automatically configured for the Webex Hybrid Calendar Service. Which two options should be used to configure these users? (Choose two.)

Options:

A.

Export a CSV list of users in the Cisco Webex Control Hub, set the Hybrid Calendar Service to TRUE for users to be enabled, then import the file back to Manage Users menu in the Cisco Webex Control Hub.

B.

Set up an Auto-Assign template that enables Hybrid Calendar.

C.

Select the Hybrid Services settings card in the Cisco Webex Control Hub and import a User Status report that contains only users to be enabled.

D.

On the Users tab in the Cisco Webex Control Hub, check the box next to each user who should be enabled, then click the toggle for the Hybrid Calendar service to turn it on.

E.

From Cisco Webex Control Hub, verify the domain that your Hybrid Calendar users will use, which

automatically activates them for the service.

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Questions 11

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.

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Questions 12

Refer to the exhibit.

What is the result of a transformation applied to alias 88514?

Options:

A.

98851@ccnpcollab.com

B.

88513@ccnpcollab com

C.

88514@ccnpcollab.com

D.

88515@ccnpcollab.com

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Questions 13

Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

Options:

A.

Voice calls use Webex Calling platform for call control and use hybrid media nodes for local conferencing.

B.

Voice calls use local media nodes to keep traffic internal for internal traffic and use Webex Calling for external calls.

C.

Voice call use Cisco Unified Communications Manager for local calls and Webex Calling for external calls.

D.

Voice calls use local Cisco Unified Communications Manager for all calls.

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Questions 14

Refer to the exhibit.

An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.

Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?

Options:

A.

Traversal Zone

B.

Any

C.

Neighbor Zone

D.

All

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Exam Code: 300-820
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
Last Update: Jun 15, 2025
Questions: 96
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