Free Cisco 300-820 Practice Test & Real Exam Questions

Exam Code/Number: 300-820
Exam Name/Title: Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0
Certification Provider: Cisco
Corresponding Certification: CCNP Collaboration

Exam Questions: 295
Updated On: Jul 01, 2026

Question #1

Which complication does a NAT introduce in SDP for a SIP call?

A. Additional headers due to NAT encapsulation can cause the packet size to exceed the MTU.

B. When the client is behind a NAT they may be unable to determine the appropriate offset due to time zones.

C. The encryption keys advertised in the SDP are only valid for clients not behind a NAT.

D. The IP address specified in the connection data field may be an unrouteable internal address.

Discussion 0

Correct Answer: D Vote an answer

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Question #2

Which action is required when using Cisco Jabber for Cloud with Cisco Webex Messenger?

A. Configure desk phone control.

B. Configure service discovery for remote access.

C. Configure policies.

D. Configure, extend, and connect.

Discussion 0

Correct Answer: C Vote an answer

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Question #3

An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?

A. SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443

B. SRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061

C. SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443

D. SRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061

Discussion 0

Correct Answer: A Vote an answer

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Question #4

Which two options should be used to create a secure traversal zone between the Expressway-C and Expressway-E? (Choose two.)

A. One Cisco Unified Communications traversal zone for H.323 and SIP connections.

B. Create a set of username and password on each of the Expressway-C and Expressway-E to authenticate the neighboring peer.

C. A separate pair of traversal zones must be configured if an H.323 connection is required and Interworking is disabled.

D. Expressway-C and Expressway-E must trust each other's server certificate.

E. Enable username and password authentication verification on Expressway-E.

Discussion 0

Correct Answer: C,D Vote an answer

Question #5

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

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

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

Discussion 0

Correct Answer: C Vote an answer

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Question #6

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on the Expressway-E UC traversal zone?

A. Cisco Unified Communications Manager Publisher FQDN

B. Expressway-E Cluster Name

C. Webex CUSP Cluster Name

D. Expressway-C Cluster Name

Discussion 0

Correct Answer: D Vote an answer

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Question #7

Which set of actions configures ACME certificates on Expressways?

A. Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to OFF.

B. Configure ACME Certificate settings on your Expressway-E, and change the ACME automated scheduler field to ON.

C. Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to ON.

D. Configure ACME Certificate settings on your Expressway-E, disable the Expressway cluster, and change the ACME automated scheduler field to OFF.

Discussion 0

Correct Answer: B Vote an answer

Question #8

Refer to the exhibit. Which option addresses the warning message "This location main number might not be attended or active."?

A. Choose Assigned Number from the dropdown and select a number.

B. This message will disappear after location has users configured.

C. Choose Assign Extension from the dropdown and select an extension.

D. Choose Route Group from the dropdown and select a route group.

Discussion 0

Correct Answer: A Vote an answer

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Question #9

Refer to the exhibit. The web server is set up to store contact photos and the Cisco Jabber- config.xml file is updated for all clients. After these changes, Jabber for Windows users cannot view the contact photos when they are connected via Mobile and Remote Access. Which action resolves the issue?

A. Update the contact photos to "png".

B. Update the "PhotoUriWithToken' entry to "Https".

C. Add the web-server address within the HTTP server allow list on the Expressway-E.

D. Add the web-server address within the HTTP server allow list on the Expressway-C.

Discussion 0

Correct Answer: D Vote an answer

Question #10

Refer to the exhibit. Call policy rules on an Expressway-E prevent external callers from the internet from calling a VIP whose URI is [email protected]. Which additional configuration setting is required for this call policy to function as intended?

A. SIP TLS must be disabled on the Expressway-E.

B. The default zone on the Expressway-E must not be configured to treat as authenticated.

C. The Cisco TelePresence endpoint registered with the URI [email protected] must be set in "do not disturb" mode.

D. A search rule must be configured with an extract match for [email protected] to pass the call to the Expressway-C.

Discussion 0

Correct Answer: B Vote an answer

Question #11

A user reports that they experienced audio dropouts during a Webex meeting two weeks ago. An administrator discovers that the meeting had participants from multiple regions and the audio issue was reported by users in one region. What is the most effective way to locate and review troubleshooting data for this meeting in Control Hub?

A. Manually convert time zones for every participant, then search by device MAC address.

B. Contact Cisco support to provide a full diagnostics report for all meetings in the last month.

C. Use the Search bar in Control Hub to search for the meeting by host email, and specify the correct time zone in the calendar filter.

D. Filter the troubleshooting dashboard by 'meeting type" and review ongoing meetings.

Discussion 0

Correct Answer: C Vote an answer

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