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 31, 2026

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Question 1

Which interworking option must be used on the Expressway for it to act as a SIP/H.323 gateway when no endpoint is registered?

A : abled

B : gistered only

C : f

D :

Answer: D

Question 2

Which two protocols are supported on Expressway Zones? (Choose two.)

A : SIP

B : H.248

C : MGCP

D : SCCP

E : H.323

Answer: A,E

Question 3

Refer to the exhibit. When users sign in to Cisco Jabber through Mobile and Remote Access, they cannot see their own photo or the photo of their contacts next to each name. Which action must be taken in Cisco Expressway-C to resolve the issue?

A : Add an HTTP allow list for the Instant Message and Presence server.

B : Add an allow call policy rule from the Cisco UCM traversal zone.

C : Upload the missing Instant Messaging and Presence server certificate to fix the connection to its server.

D : Add an HTTP allow list for the web server that contains the photos.

Answer: D

Question 4

Why would a Cisco Jabber contact under Hybrid Messaging Integration be grayed out?

A : The contact uses Cisco Webex Teams and Jabber and remains as Do not Disturb for 30 minutes.

B : The contact was using only Cisco Webex Teams and changed the status to Away.

C : The contact set Out of the Office for Cisco Webex Teams.

D : The other user has not used Cisco Webex Teams or Jabber within the last 72 hours, so they are offline.

Answer: D

Question 5

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

Page: 1 / 41

Total 205 Questions | Updated On: Jan 31, 2026

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