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

NEW QUESTION 1
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?

• 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.

Answer: C

NEW QUESTION 2
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

• A. Cisco Expressway-E and endpoints outside the enterprise
• B. Cisco Expressway-C, Cisco Unified Communications Manager, and IM&P
• C. Cisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
• D. Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise

Answer: A

NEW QUESTION 3
Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

• A. Application layer gateway could be enabled to bridge the media traffic.
• B. A static NAT route could be added to the firewall to bridge the two networks.
• C. The Expressway-E could be enabled for Dual-NIC capability.
• D. The Expressway-E could be enabled for interworking.

Answer: C

NEW QUESTION 4
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.
Which statement is true?

• A. Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
• B. Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
• C. Installing a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004.
• D. Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams client
• E. A DMZ node is added for extra security.

Answer: C

NEW QUESTION 5
Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

• 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.

Answer: D

NEW QUESTION 6
With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)

• A. From VMN to CUCM SIP endpoints, the source UDP ports from 52500 to 62999 is used for audio traffic.
• B. From VMN to Webex Teams clients, the source UDP port 5004 is used for video traffic.
• C. From Webex cloud to VMN, the source UDP port 9000 is used for audio traffic.
• D. From VMN to video endpoints, the destination UDP port 5004 is used for audio traffic.
• E. From VMN to Webex cloud, the destination UDP port 9000 is used for video traffic.

Answer: AB

NEW QUESTION 7
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)

• A. Expressway Core can use private CA signed certificate.
• B. You must upload the root certificates in the phone trust store.
• C. Expressway must generate certificate signing request.
• D. Expressway Edge must use public CA signed certificate.
• E. The Jabber client can work with public or private CA signed certificate.

Answer: CD

NEW QUESTION 8
Which statement about scheduling Expressway backups is true?

• A. It is not supported on the application.
• B. It is allowed from the application CLI of the Expressway only.
• C. It is allowed from the application CLI and GUI of the Expressway.
• D. It is allowed from the application GUI of the Expressway only.

Answer: C

NEW QUESTION 9

Refer to the exhibit. Which description of the transformation is true?

• A. It converts 4123@exp-name.exp.domain:<port> to 4123@exp.domain
• B. It changes all patterns that begin with 4123@exp-name.exp.domain:<port> to 1@exp.domain
• C. It changes 413@exp-name.exp.domain:<port> to 413@exp.domain
• D. It converts 4.3@exp-name.exp.domain:<port> to 1@exp.domain

Answer: A

NEW QUESTION 10

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

• A. d20d16d20d22
• B. 2091652010224
• C. 209165200225
• D. d209d165d200d224
• E. 209165200224

Answer: CE

NEW QUESTION 11
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

Answer: B

NEW QUESTION 12
Refer to the exhibit. 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.

Answer: D

NEW QUESTION 13
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

Answer: A

NEW QUESTION 14
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?

• A. _collab-edge on port 8443
• B. _cisco-uds-edge on port 5061
• C. _collab-edge on port 5061
• D. _cisco-uds on port 8443

Answer: A

NEW QUESTION 15
When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device. To do so, it is important that some dial plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.
Which range is correct?

• A. any number in the drop-down menu
• B. any number in the dialog box
• C. any number between 1-128
• D. any number between 1-65534

Answer: D

NEW QUESTION 16
Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

• A. Unified Communications traversal zone
• B. neighbor zone
• C. DNS zone
• D. traversal zone

Answer: A

NEW QUESTION 17
Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?

• A. _cisco-uds._tcp.<domain>
• B. _cisco-mra._tls.<domain>
• C. _collab-edge._tls.<domain>
• D. _cisco-expwy._tls.<domain>

Answer: A

NEW QUESTION 18
What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

• A. 1024
• B. 2048
• C. 4096
• D. 8192

Answer: C

NEW QUESTION 19
An organization wants to enable a Cisco Webex connector to synchronize all employees automatically with Cisco Webex instead of using a manual list. Where is the Webex Hybrid Directory Service configured?

• A. Install Cisco Directory Connector on a Microsoft Windows Domain server and configure the software and Webex Control Hub.
• B. Enable the directory service in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.
• C. Enable the directory service on Cisco Expressway Edge for Office 365 or Cisco Expressway Core for internal Active Directory and add the service in Webex Control Hub.
• D. Install the Cisco Express Connector and configure the device in Cisco Unified Communications Manager under Cisco Unified Serviceability and add the service in Webex Control Hub.

Answer: A

NEW QUESTION 20
A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.
What must be set up to enable this requirement?

• A. Cisco Unified Border Element and Cisco ASA Firewall
• B. Cisco Unified Border Element and Cisco Firepower Firewall
• C. Cisco Expressway-C and Cisco Expressway-E
• D. Cisco Expressway-C and Cisco Unified Border Element

Answer: C

NEW QUESTION 21
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