Free Cisco 300-820 Exam Questions

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

Page: 1 / 41

Total 205 Questions | Updated On: Jan 14, 2026

Add To Cart

Question 1

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

A : Webex CUSP Cluster Name

B : Expressway-E Cluster Name

C : Cisco Unified Communications Manager Publisher FQDN

D : Expressway-C Cluster Name

Answer: D

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 administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

A : in the public DNS server

B : in DNS SRV settings under Cisco Unified OS Administration in Cisco UCM

C : in DNS settings in the Expressway-E on the interface that faces the Internet

D : in DNS settings under Cisco Unified OS Administration in Cisco UCM

Answer: A

Question 4

An organization with a domain name of example.com. Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)

A : _sips._tcp.example.com

B : _sips._udp.example.com

C : _h323ls._udp.example com

D : _h323ls._tcp.example.com

E : _collab-edge._tls.example.com

Answer: A,C

Question 5