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: Jan 29, 2026

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Question 1

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 2

Refer to the exhibit.Calls to locally registered endpoints are failing. At present, there are two endpoints registered locally to this Expressway. An H.323 endpoint with an alias of “EndpointA” is registered, and a SIP endpoint with an alias of “EndpointB@pod1.local” is also registered. How is this issue resolved?

A : The dialplan must be redesigned to use the transforms to convert the alias into SIP URI format and then use separate search rules for each format that needs to be dialed within the local zone.

B : The calls are failing because there are insufficient licenses. Additional licenses must be installed for the Expressway to route these calls.

C : The current search rule does not match the call, so the search rule must be modified to include a SIP Variant of “Standards-Based”.

D : Calling parties are placing calls with the wrong domain. End-users must be instructed not to use the pod1.local domain as that is owned by the local system. Calls to any other domain would work.

Answer: A

Question 3

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 4

An engineer is investigating failing incoming calls that are expected to connect. The engineer notices that the failed calls all have a port number of 5060 at the end of the URI. The search rules are configured in a way that they do not expect a port to be included. Which configuration allows the routing of this call?

A : * transform with a pattern string of *(.*)@example.com(:5060)?"* replace a suing of \1@example.com

B : * search rule with a pattern string of “(.*)@example.com(:5050)?"* replace a string of \1\2@example com

C : search rule with a pattern string of “(.*)@example.com(:5060)?"* replace a string of \1@example.com\2

D : * transform with a pattern string of “(.*)@example.com(:5060)?"* replace a string of \1@example.com\2

Answer: A

Question 5

300-820-page39-image23

Refer to the exhibit. If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is

busy, which media node does the Webex Teams device connect to next?

A : th Cloud Node US-EAST and US-WEST

B : deo Mesh Cluster-2

C : oud Node US-EAST

D : oud Node US-WEST

Answer: B

Page: 1 / 41

Total 205 Questions | Updated On: Jan 29, 2026

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