Free Cisco 300-820 Exam Practice Questions & Explanations

Last updated on: Sep 16, 2026
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Question 1

Which zone is required on a B2B deployment between Expressway-C and Expressway-E?

Answer Options
Correct Answer: A
Question 2

In which mode does the Cisco Expressway act as a SIP-H.323 gateway only if one or more of the endpoints are locally registered?

Answer Options
Correct Answer: A
Question 3

A company is implementing Cisco Webex but has existing legacy Cisco video endpoint registered on-premises. The administrator of Webex wants the SIP address of these rooms to appear in the directory listing on Webex registered endpoints and in the Webex App. How can this be configured?

Answer Options
Correct Answer: B
Question 4

Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?

Answer Options
Correct Answer: B
Question 5

Which step is required when configuring Cisco Webex Hybrid Message Service?

Answer Options
Correct Answer: B