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 21, 2026

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Question 1

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 2

What is the result if force encryption for media is enabled in the Expressway on a zone that points to a system /endpoint that is not configured for encryption?

A : The call is dropped.

B : The call works with one end only sending encrypted media.

C : The call renegotiates for unencrypted media.

D : The call uses encryption if available, or it falls back to unencrypted media.

Answer: A

Question 3

An engineer is configuring the Expressway cluster to allow Jabber clients that are outside the enterprise network to register, make calls, and send instant messages using the internal Cisco UCM. Which action must be taken before a secure UC traversal zone is added to the Expressway-C?

A : Add Instant Message and Presence service clusters.

B : Add a Cisco UCM cluster.

C : Configure SIP OAuth mode.

D : Establish certificate trust between the Expressway-C and Expressway-E.

Answer: D

Question 4

Which action is required when using Cisco Jabber for Cloud with Cisco Webex Messenger?

A : nfigure, extend, and connect.

B : nfigure policies

C : nfigure service discovery for remote access.

D : nfigure desk phone control.

Answer: C

Question 5

How does an administrator configure an Expressway to make sure an external caller cannot reach a

specific internal address?

A : ock the call with a call policy rule in the Expressway-E

B : the specific URI in the firewall section of the Expressway and block it

C : nfigure FAC for the destination alias on the Expressway

D : a search rule route all calls to the Cisco UCM

Answer: C

Page: 1 / 41

Total 205 Questions | Updated On: Mar 21, 2026

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