2026 Realistic 300-820 Dumps Latest Cisco Practice Tests Dumps [Q101-Q120]

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2026 Realistic 300-820 Dumps Latest Cisco Practice Tests Dumps

300-820 Dumps PDF – 300-820 Real Exam Questions Answers

Here is Cisco 300-820 Exam

This exam assesses your experience of cooperating in cloud and edge solutions, consisting of:
Cisco Unified Instant Messaging and Presence, Road configurations,Cisco Webex teams intersect as do emerging technologies.Comprehension and also the skills you need to have for this exam: Understanding of modern network technologies ,Understanding of voice and video clips ,Proficiency in Cisco Core Partnership Technologies , Login Method (SIP) and also Extensible Messaging and Existence Procedure (XMPP) Signaling Method Basics, Call Control Basics Working with Cisco Unified Communications Supervisor.

NEW QUESTION 101
When a Cisco Webex Video Mesh Node is configured for an organization, which process does the Webex Teams client use to discover the optimal bridging resource?

the lowest STUN round-trip delay to each node and cloud

a reachable Video Mesh Node and then overflows to the cloud, if needed

the SIP delay header during call setup

an HTTPS speed and latency test to each node and the cloud

NEW QUESTION 102
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

Create user accounts in Cisco Webex Control Hub only.

Create user accounts in Cisco Unified Communications Manager only.

Create user accounts in Cisco Unified IM and Presence.

Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.

NEW QUESTION 103
Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

down Cisco Unified Communications Manager server

XMPP bind failures

incorrect login credentials

service discovery issues

NEW QUESTION 104
A MRA deployment is being configured where one of the requirements is for registered Jabber users to pull directory photos from an internal server.
What should be configured on the Expressway-C so that MRA registered clients reach this server?

A search rule must be created to route the requests to Cisco UCM.

The directory photo server must be added to the HTTP allow list.

A neighbor zone must be created to the directory photo server.

The directory photo server FQDN must be added to the Expressway-C certificate.

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-
0/mra/exwy_b_mra-deployment-guide-14/exwy_m_features-and-additional-
configurations.html#reference_C1BA31BAEE0E02911B495FA5908DEB65

NEW QUESTION 105
Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?

Expressway-C “DNS”, Expressway-E “Traversal server”

Expressway-C “Traversal server”, Expressway-E “Traversal client”

Expressway-C “Neighbor”, Expressway-E “Neighbor”

Expressway-C “Traversal client”, Expressway-E “Traversal server”

NEW QUESTION 106
Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

When Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.

Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.

The cascading traffic between VMN must bypass the firewall.

When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.

A VMN can terminate a media connection while operating in maintenance mode.

Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/hybrid/12x/hybcvd/hms.html

NEW QUESTION 107
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

Internal endpoints cannot use addresses from the private address space.

The NAT ALG cannot inspect the contents of encrypted signaling messages.

NAT ALG introduces jitter in the voice path.

Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.

NEW QUESTION 108
Refer to the exhibit.

Refer to the exhibit. A collaboration engineer is configuring Cisco Expressway for B2B calling. The engineer must allow inbound calls to be routed to Cisco UCM. The traffic must be unencrypted between the Expressway-C and the Cisco UCM cluster. Which configuration correctly implements the zone?

NEW QUESTION 109
Which media encryption mode can be configured on an Expressway zone?

Advanced Encryption Standard

IPsec

Triple Data Encryption Standard

force unencrypted

Available modes are “Force encrypted, Force unencrypted, Auto and Best Effort”.

NEW QUESTION 110
An engineer must configure the zone to connect to an Expressway-E using Single NIC with NAT.
The internal IP address is 192.168.10.63, and the NAT address is 203.0.113.5. What must the engineer configure on the Expressway-C to meet this requirement?

traversal zone with the peer address 192.168.10.63

neighbor zone with the peer address 192.168.10.63

traversal zone with the peer address of 203.0.113.5

neighbor zone with the peer address of 203.0.113.5

In this example, firewall A must allow NAT reflection of traffic coming from the Expressway-C that is destined for the external address, that is 64.100.0.10, of the Expressway-E. The traversal zone on the Expressway-C must have 64.100.0.10 as the peer address.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-0/basic_config/exwy_b_cisco-expressway-e-and-expressway-c-basic-configuration-deployment- guide-x14-0/exwy_m_advanced-networking-deployments.html

NEW QUESTION 111
Which two statements about Zones on Cisco Expressways are correct? (Choose two.)

You can register endpoints to default zone.

Bandwidth for calls between endpoints in the same zone cannot be restricted.

Endpoints are associated to default subzone or any customized subzone depending on the IP address of the endpoint.

A neighbor zone connects Cisco Expressway Core to other systems via SIP or H.323.

A neighbor zone connects Cisco Expressway Core to Cisco Expressway for NAT, PAT, and firewall traversal.

NEW QUESTION 112
An Expressway-E is configured using a single NIC with NAT.
How must the Expressway-C traversal client zone be configured to connect to the Expressway-E?

TLS verify must be enabled.

The zone profile must be set to default.

The peer address must be the Expressway-E NAT address.

The peer address must be the Expressway-E LAN 1 IP address.

NEW QUESTION 113
Refer to the exhibit. The web server is set up to store contact photos and the Cisco Jabber- config.xml file is updated for all clients. After these changes, Jabber for Windows users cannot view the contact photos when they are connected via Mobile and Remote Access. Which action resolves the issue?

Update the “PhotoUriWithToken’ entry to “Https”.

Update the contact photos to “png”.

Add the web-server address within the HTTP server allow list on the Expressway-C.

Add the web-server address within the HTTP server allow list on the Expressway-E.

NEW QUESTION 114
What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

Cisco Webex Administration Tool

Cisco UCM

Cisco Webex Directory Connector

Cisco Unified IM and Presence Server

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/12_6/cjab_b_cloud-and-hybrid-deployments-cisco-jabber-12-6/cjab_b_cloud-and-hybrid- deployments-cisco-jabber-12-6_chapter_0101.html

NEW QUESTION 115
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

Internal endpoints cannot use addresses from the private address space.

The NAT ALG cannot inspect the contents of encrypted signaling messages.

NAT ALG introduces jitter in the voice path.

Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.

A NAT ALG is similar to a firewall ALG, but a NAT ALG actually changes (maps) the addresses and ports in the signaling messages. The NAT ALG cannot inspect the contents of encrypted signaling messages.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab11/collab11/security.html
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-
0/basic_config/exwy_b_cisco-expressway-e-and-expressway-c-basic-configuration-deployment- guide-x14-0/exwy_m_advanced-networking-deployments.html

NEW QUESTION 116
What is a benefit of managing multiple Webex sites in Webex Control Hub?

SSO on all sites from a central location

common policy setting on all sites in a central location

ability to change sites between Early Release and Normal deployment cycle

redistribution of licenses

Managing multiple Webex sites in Control Hub allows administrators to apply common site policies from a centralized location, simplifying administration and ensuring consistent settings across Webex sites.

NEW QUESTION 117
Which Control Hub tool feature helps automate phone license generation and device registration during on-premises to cloud migration?

license portal

migration wizard

bulk administration upload

device manager console

The migration wizard in Control Hub helps automate the transition from on-premises calling to Webex cloud services, including generating phone licenses and supporting device registration workflows during migration.

NEW QUESTION 118
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

SDP b-line

SIP record route

SDP c-line

SDP m-line

Explanation
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-5/Cisco-Expressway-

NEW QUESTION 119
Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

Requesting for permission from the firewall

Using an existing keep-alive connection opened by the client

Opening an outbound connection directly to the client through the firewall

Opening an inbound connection directly to the client through the firewall

NEW QUESTION 120
What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

The MRA license is missing on the Expressway-E.

The Unified Communications zone is down.

Transform is not configured on Expressway-E.

The SRV record for _cisco-uds is misconfigured.

The firewall is blocking the port.

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Cisco 300-820: Topics

The Cisco 300-820 exam validates the knowledge and skills of the professionals in a wide range of areas. The content of this certification test revolves around four domains. Let’s have a closer look at these topics and the skills covered within them.

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