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  • Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
  • Last Update: May 25, 2025
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300-820 Practice Exam Questions with Answers Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI) Certification

Question # 6

Refer to the exhibit.

300-820 question answer

Mobile and remote access is being added to an existing B2B deployment and is failing.

When the administrator looks at the alarms on the Expressway-C, the snippets are shown. Which configuration action should the administrator take to fix this issue?

A.

The listening port on the Expressway-C for SIP TCP must be changed to a value other than 5060

B.

The listening port on the Expressway-C for SIP TLS must be changed to a value other than 5061

C.

The listening port on the Cisco UCM for the Expressway-C SIP trunk must be changed to something other than 5060 or 5061

D.

The listening port on the Cisco UCM for the Expressway-C SIP trunk is set to something other than 5060 or 5061. It must be set to 5060 for insecure and 5061 for secure SIP

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Question # 7

Which two licenses are required for the Expressway B2B feature to work? (Choose two)

A.

Traversal Server

B.

Advanced Networking

C.

Device Provisioning

D.

Rich Media Sessions

E.

TURN Relays

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Question # 8

An engineer wants to configure a zone on the Expressway-E to receive communications from the Expressway-C in order to allow inbound and outbound calls. How is the peer address configured on the Expressway-C when Expressway-E has only one NIC enabled and is using static NAT mode?

A.

Expressway-E FQDN

B.

Cisco UCM FQDN

C.

Expressway-E DHCP

D.

Cisco UCM DHCP

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Question # 9

Which mode should be used when Call Policy is configured on Expressways?

A.

extended CPL

B.

local CPL, policy service, and off

C.

on

D.

remote CPL

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Question # 10

Refer to the exhibit.

300-820 question answer

When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?

A.

13358 is replaced by 135, and then is sent to the local zone.

B.

13358 is replaced by 135 and remains in the same zone.

C.

13358 is replaced by 135, and then is sent to the traversal zone.

D.

13358 is sent directly to the traversal zone.

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Question # 11

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.)

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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Question # 12

Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?

A.

Add the Jabber user to Cisco Unity Connection.

B.

Add the Jabber user to Expressway-E.

C.

Add the Jabber user to Expressway-C.

D.

Add Jabber Users to the Cisco Webex Administration Tool.

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Question # 13

An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.

Which is an available proxy type in the Video Mesh node configuration to support this deployment model?

A.

Transparent Explicit Proxy

B.

Transparent Inspecting Proxy

C.

Reverse Proxy

D.

Distorting Proxy

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Question # 14

What allows endpoints behind a NAT to discover the paths through which they will pass media?

A.

RTP

B.

TLS

C.

SNMP

D.

ICE

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Question # 15

Refer to the exhibit.

300-820 question answer

Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.

What happens to the participant's call?

A.

Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.

B.

The call is queued.

C.

The call fails.

D.

Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.

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Question # 16

A Jabber user is being prompted to trust the Expressway-E certificate when using Mobile and Remote Access. The administrator has validated that the Expressway-E certificate is being trusted by the machine running the Jabber client.

What else can be done to solve this problem?

A.

Create a new CSR with new information on the SAN field.

B.

Include Cisco Unified Communications Manager registration domain in the Expressway-E certificate as a SAN.

C.

Change the domain name.

D.

Change the FQDN of the Expressway.

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Question # 17

An Expressway-E is configured using a single NIC with NAT.

How must the Expressway-C traversal client zone be configured to connect to the Expressway-E?

A.

TLS verify must be enabled.

B.

The zone profile must be set to default.

C.

The peer address must be the Expressway-E NAT address.

D.

The peer address must be the Expressway-E LAN 1 IP address.

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Question # 18

Which step is taken when configuring a Cisco Expressway solution?

A.

Configure the Expressway-E by using a non-traversal server zone.

B.

Enable static NAT on the Expressway-E only.

C.

Disable H.323 mode on the Expressway-E.

D.

Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.

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Question # 19

Refer to the exhibit.

300-820 question answer

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

A.

down Cisco Unified Communications Manager server

B.

XMPP bind failures

C.

incorrect login credentials

D.

service discovery issues

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Question # 20

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

A.

Cisco Webex Administration Tool

B.

Cisco UCM

C.

Cisco Webex Directory Connector

D.

Cisco Unified IM and Presence Server

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Question # 21

A MRA deployment is being configured where one of the requirements is for registered Jabber users to pull directory photos from an internal server. What should be configured on the Expressway-C so that MRA registered clients reach this server?

A.

A search rule must be created to route the requests to Cisco UCM.

B.

The directory photo server must be added to the HTTP allow list.

C.

A neighbor zone must be created to the directory photo server.

D.

The directory photo server FQDN must be added to the Expressway-C certificate.

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Question # 22

When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.

What is TraversalZone missing that causes this issue?

A.

link to the DefaultZone

B.

pipe to the DefaultZone

C.

SIP trunk to the DefaultZone

D.

route pattern to the DefaultZone

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Question # 23

Refer to the exhibit.

300-820 question answer

If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?

A.

Both Cloud Node US-EAST and US-WEST

B.

B.Video Mesh Cluster-2

C.

Cloud Node US-EAST

D.

Cloud Node US-WEST

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Question # 24

A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.

For which reason would you see activity on the TURN server when a call is established between two external endpoints?

A.

The video call is using encryption, which is not supported by ICE with CUCM 12.5

B.

ICE cannot reduce the packet loss on the link

C.

A STUN cannot punch holes in the firewall

D.

The video call is using 4K resolution, which is not supported by ICE with CUCM 12.5

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Question # 25

Which step is required when configuring Cisco Webex Hybrid Message Service?

A.

Register Expressway-C Connector Hosts to the Cisco Webex Cloud.

B.

Register Expressway-C to Cisco Unified Communications Manager.

C.

Add Expressway-C and Cisco United CM to the Cisco Webex Cloud.

D.

Add Cisco Unity Connection to Expressway-E.

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Question # 26

Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?

A.

Expressway-C establishes an outgoing request to Expressway-E, enabling the Expressway-E in the DMZ to notify the internal Expressway-C of an incoming call from an external endpoint.

B.

Internal endpoints are registered to Expressway-E in the DMZ. Expressway-C, which is also in the DMZ, will receive and make calls on behalf of Expressway-E because they are in the same network.

C.

Expressway-E establishes an outgoing request to Expressway-C, enabling the Expressway-C in the DMZ to notify the internal Expressway-E of an incoming call from an external endpoint.

D.

Internal endpoints are registered to Expressway-C in the DMZ. Expressway-E, which is also in the DMZ, will receive and make calls on behalf of Expressway-C because they are in the same network.

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Question # 27

For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?

A.

Expressway-C server certificate

B.

Cisco Unified Communications Manager server certificate

C.

Expressway-E server certificate

D.

Expressway-C and Expressway-E server certificate

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Question # 28

Refer to the exhibit.

300-820 question answer

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

A.

98851@ccnpcollab.com

B.

88513@ccnpcollab com

C.

88514@ccnpcollab.com

D.

88515@ccnpcollab.com

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