Free Cisco 300-820 Exam Questions

Become Cisco Certified with updated 300-820 exam questions and correct answers

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Total 205 Questions | Updated On: Mar 12, 2026

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Question 1

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 : nk to the DefaultZone

B : pe to the DefaultZone

C : P trunk to the DefaultZone

D : route pattern to the DefaultZone

Answer: C

Question 2

An engineer attempts to upload a server certificate to an Expressway-C server but receives an error when they click the upload button that says that the file is invalid. The engineer is advised that this happens because the certificate was signed incorrectly and is missing an attribute. What must the engineer do to upload the certificate?

A : Create a certificate request via Certificate Services Web Page and ensure that the certificate validity period is five years because the Expressway server validates this during certificate import.

B : Create a certificate request via the Certificate Services Web Page and ensure that the Subject Common Name field contains the server FQDN and all Cisco Unified CM phone security profile names.

C : Create a new certificate template with "Server authentication” and "Client authentication" enabled and use this template when signing the Expressway server certificate.

D : Create a new certificate template with the certificate attribute "Allow private key to be exported" enabled and use this template when signing the Expressway server certificate.

Answer: B

Question 3

An engineer must enable the communication between two separate Expressway-C servers to allow inbound and outbound calling between different endpoints registered on each server. Which configuration must happen?

A : Configure a traversal zone on each server with a destination of the other Expressway-C.

B : Configure a neighbor zone on each server with a destination of the other Expressway-C.

C : Configure a transform on each server to strip the port numbers at the end of the alias.

D : Configure a transform on each server to convert the calling alias into the called alias.

Answer: B

Question 4

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?

A : _cuplogin._tcp.cisco.com

B : collab-edge._tls.cisco.com

C : _cisco-uds._tls.cisco.com

D : _cisco-uds._tcp.cisco.com

Answer: B

Question 5

Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?

A : pressway-C “DNS”, Expressway-E “Traversal server”

B : pressway-C “Traversal server”, Expressway-E “Traversal client”

C : pressway-C “Neighbor”, Expressway-E “Neighbor”

D : pressway-C “Traversal client”, Expressway-E “Traversal server”

Answer: D

Page: 1 / 41

Total 205 Questions | Updated On: Mar 12, 2026

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