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Free Cisco 300-820 Practice Exam with Questions & Answers | Set: 5

Questions 41

Refer to the exhibit.

300-820 Question 41

A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a

SIP status of failed from the time the zone it was created. What should be done to resolve this issue?

Options:
A.

The search rule must be changed to continue on match

B.

The existing zone using ID 7 must be deleted

C.

More bandwidth must be added to the appropriate pipes

D.

The underlying DNS issue must be resolved

Cisco 300-820 Premium Access
Questions 42

What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

Options:
A.

Create user accounts in Cisco Webex Control Hub only.

B.

Create user accounts in Cisco Unified Communications Manager only.

C.

Create user accounts in Cisco Unified IM and Presence.

D.

Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.

Questions 43

Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

Options:
A.

Requesting for permission from the firewall

B.

Using an existing keep-alive connection opened by the client

C.

Opening an outbound connection directly to the client through the firewall

D.

Opening an inbound connection directly to the client through the firewall

Questions 44

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

Options:
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.

Questions 45

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?

Options:
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.

Questions 46

An administrator configures a secure SIP trunk in Cisco UCM to Expressway-C. The SIP trunk fails to become active, and an examination of a packet capture finds that the TLS handshake failed with a “Certificate Unknown” error from Cisco UCM. To allow the Cisco UCM to trust the Expressway-C and establish a TLS connection, the administrator will upload the Expressway server certificate to the trust store. To which trust store must the certificate be uploaded?

Options:
A.

tomcat-trust

B.

CallManager-trust

C.

TVS-trust

D.

ipsec-trust

Questions 47

During the deployment of a Cisco Webex Video Mesh, where do on-premises SIP endpoints send signaling?

Options:
A.

On-premises endpoints cannot participate in Cisco Webex Video Mesh

B.

to the cloud

C.

to the switching services

D.

to the call control environment (Unified CM or Expressway)

Questions 48

An engineer must configure Mobile and Remote Access. One of the requirements is to expect Cisco Jabber users to enter username@cisco.com as the login userid. Which DNS record must the engineer modify to start implementing this requirement?

Options:
A.

_cuplogin._tcp.cisco.com

B _collab-edge._tls.cisco.com

B.

_cisco-uds._tls.cisco.com

C.

_cisco-uds._tcp.cisco.com

Questions 49

An engineer must review a new traversal zone that is not establishing a successful connection between Expressway-C and Expressway-E. When the event log page on the Expressway-E is reviewed, an authentication failure is found with the detail “user not found”. Which two actions must the engineer take to resolve the issue? (Choose two.)

Options:
A.

Disable TLS verification on the Expressway-E.

B.

Ensure that the authentication credentials configured on both zones to match.

C.

Ensure that LDAP is properly configured and synchronized on the Expressway-E.

D.

Ensure that the authentication credentials exist on the Expressway-E local database.

E.

Ensure that the authentication credentials exist on the Expressway-C local database.

Questions 50

Which option mandates that calls fall back to unencrypted media if encryption cannot be established?

Options:
A.

auto

B.

force unencrypted

C.

best effort

D.

force encrypted

Exam Code: 300-820
Certification Provider: Cisco
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
Last Update: Jul 11, 2025
Questions: 207

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