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: Apr 02, 2026

Add To Cart

Question 1

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 2

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 3

Which media encryption mode can be configured on an Expressway zone?

A : vanced Encryption Standard

B : ec

C : Triple Data Encryption Standard

D : rce unencrypted

Answer: A

Question 4

An Expressway Server has both network protocols (IPv4 and IPv6) enabled. Which two behaviors are correct? (Choose two.)

A : If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPV6-Only network, a NAT64 device must convert the IPv4 addresses to IPv6 addresses.

B : Endpoints register with either IPv4 or IPv6 addresses, but dual-stack endpoints choose IPv6 protocol by default.

C : If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPv6-Only network, the Expressway Server act as a gateway and convert the two protocol versions.

D : Endpoints register only with IPv6 addresses on an Expressway Server with IPv6 protocol enabled regardless of the state of IPv4 protocol.

E : Endpoints register with either IPv4 or IPv6 addresses, and endpoints decide which protocol to use by the format of the configured Expressway Server IP address.

Answer: C,E

Question 5

Refer to the exhibit. A manager asks an engineer to create a CSV file for the HTTP allow list on the Expressway deployment. The engineer wrote the script shown and uploaded it to the Expressway, but it is not being accepted. Which action resolves the issue?

A : Addthe command POST at the end on this line “http://myServer4/myPath4,block,,,POST”.

B : Removethe Method “PUT” from “http://myServer2:8000/myPath2,allow “my deployment”, “an allow test”,PUT”.

C : Remove the line “https://myServer4/myPath4,allow,,,GET”

D : Nothing is wrong, but the file type is most likely not XML

Answer: C

Page: 1 / 41

Total 205 Questions | Updated On: Apr 02, 2026

Add To Cart