Updated Mar-2026 Exam 300-820 Dumps - Pass Your Certification Exam
Latest Real Cisco 300-820 Exam Dumps Questions
Cisco 300-820 exam consists of 60-70 questions that must be completed within a time limit of 90 minutes. 300-820 exam questions are designed to test the candidate's knowledge of Cisco collaboration technologies and their ability to implement and manage them. 300-820 exam format includes multiple-choice, drag-and-drop, and simulation questions. Candidates can take the exam in English or Japanese, and the cost of the exam varies by country. Passing the exam requires a score of at least 825 out of 1000, and candidates who pass the exam receive the Cisco Certified Specialist - Collaboration Cloud and Edge Implementation certification.
To pass the Cisco 300-820 exam, candidates must have a deep understanding of the various collaboration solutions offered by Cisco, as well as the ability to deploy and manage these solutions in a cloud or on-premises environment. They must also have a good understanding of network security and be able to implement Cisco's cloud security solutions to ensure the safety and integrity of their organization's data.
NEW QUESTION # 89
What is configured on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
- A. The Expressway-E is enabled for interworking
- B. The Expressway-E is enabled for Dual-NIC capability.
- C. A static NAT route is added to the firewall to bridge the two networks.
- D. Application layer gateway is enabled to bridge the media traffic.
Answer: B
NEW QUESTION # 90
Drag and Drop Question
Drag and drop the services from the left onto their descriptions on the right. Some services are used more than once.
Answer:
Explanation:
NEW QUESTION # 91
Which dial plan settings can be used to set up different regulations according to the protocol (SIP or H.323) or the source of the query?
- A. policy services
- B. search rules
- C. presearch transforms
- D. call policy
Answer: B
NEW QUESTION # 92
An employee has recently left an organization and a manager suspects that this employee may have made changes to the system that no one is aware of. Mobile and Remote Access registration is not working. Internal communications appear to be working, but no external system is able to register or call anywhere. While investigating this problem, it is discovered that no internal systems are able to call externally either. What is the TraversalZone missing that is causing this issue?
- A. SIP trunk to the DefaultZone
- B. link to the DefaultZone
- C. route pattern to the DefaultZone
- D. pipe to the DefaultZone
Answer: B
NEW QUESTION # 93
Which service is available in a cloud-based deployment using Cisco Webex Messenger?
- A. Presence
- B. Phone services
- C. Voicemail
- D. Call forward services
Answer: A
NEW QUESTION # 94
Refer to the exhibit.
An Expressway-C and Expressway-E are configured for B2B calling and the Expressway- E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.
Which action resolves this error?
- A. Add a server certificate to the Expressway-C that is signed by a certificate authority.
- B. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
- C. Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.
- D. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.
Answer: A
NEW QUESTION # 95
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?
- A. Cisco Unified CM publisher address
- B. IPS
- C. SAML authentication
- D. SSO
Answer: A
NEW QUESTION # 96
Refer to the exhibit.
While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?
- A. XMPP bind failures
- B. service discovery issues
- C. down Cisco Unified Communications Manager server
- D. incorrect login credentials
Answer: A
NEW QUESTION # 97
A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.
What must be set up to enable this requirement?
- A. Cisco Unified Border Element and Cisco Firepower Firewall
- B. Cisco Expressway-C and Cisco Expressway-E
- C. Cisco Expressway-C and Cisco Unified Border Element
- D. Cisco Unified Border Element and Cisco ASA Firewall
Answer: B
NEW QUESTION # 98
A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP.
Which functionality would describe the feature that needs to be enabled and where to achieve this?
- A. Interworking in Cisco Unified Communications Manager
- B. Transcoding in Cisco Unified Communications Manager
- C. Interworking in Expressway-C
- D. Transcoding in Expressway-C
Answer: C
NEW QUESTION # 99
Refer to the exhibit. An engineer must configure a B2B traversal zone. Trusted certification authority and server certificates are uploaded to Cisco Expressway-C and Expressway-E servers.
After the traversal zone configuration is completed in Expressway-C, the error message in the exhibit appears. What are the two reasons for the error? (Choose two.)
- A. The communication port is not set to 7001.
- B. The FQDN of Expressway-E cannot be resolved by the DNS server.
- C. The peer 1 address in Expressway-C must be replaced by the FQDN of Expressway-C.
- D. The peer 1 address in Expressway-C is not the FADN of Expressway-E.
- E. The traversal zone TLS verify subject name in Expressway-E does not match the FQDN of Expressway-C.
Answer: D,E
NEW QUESTION # 100
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is sent directly to the traversal zone.
- B. 13358 is replaced by 135, and then is sent to the traversal zone.
- C. 13358 is replaced by 135 and remains in the same zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION # 101
Cisco Collaboration endpoints are exchanging encrypted signaling messages. What is one complication in implementing NAT ALG for voice and video devices?
- A. NAT ALG is not compatible with the H.323 signaling protocol.
- B. NAT ALG introduces latency in the media path.
- C. NAT ALG requires the use of NAT reflection, which may not be supported on all firewalls.
- D. The NAT ALG cannot inspect the contents of encrypted signaling messages.
Answer: D
NEW QUESTION # 102 
Refer to the exhibit. When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is sent directly to the traversal zone.
- B. 13358 is replaced by 135, and then is sent to the traversal zone.
- C. 13358 is replaced by 135 and remains in the same zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION # 103
Refer to the exhibit.
Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)
- A. Media: UDP 36012 to 59999
- B. SIP TCP 5061
- C. HTTPS: TCP 8443
- D. XMPP: TCP 7400
- E. SIP: TCP 7001
Answer: D,E
NEW QUESTION # 104
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?
- A. Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.
- B. Internal endpoints cannot use addresses from the private address space.
- C. NAT ALG introduces jitter in the voice path.
- D. The NAT ALG cannot inspect the contents of encrypted signaling messages.
Answer: D
Explanation:
Explanation
https://www.voipinfo.net/docs/cisco/collab11.pdf
NEW QUESTION # 105
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. 88513@ccnpcollab com
- B. [email protected]
- C. [email protected]
- D. [email protected]
Answer: C
NEW QUESTION # 106
Which step is taken when configuring a Cisco Expressway solution?
- A. Configure the Expressway-E by using a non-traversal server zone.
- B. Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.
- C. Disable H.323 mode on the Expressway-E.
- D. Enable static NAT on the Expressway-E only.
Answer: D
Explanation:
Explanation
NEW QUESTION # 107
What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?
- A. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
- B. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
- C. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
- D. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
Answer: C
Explanation:
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.
NEW QUESTION # 108
An organization with a domain name of example.com.
Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)
- A. _sips._udp.example.com
- B. _sips._tcp.example.com
- C. _h323ls._tcp.example.com
- D. _collab-edge._tls.example.com
- E. _h323ls._udp.example com
Answer: B,E
NEW QUESTION # 109
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?
- A. traversal zone with the peer address of 203.0.113.5
- B. neighbor zone with the peer address 192.168.10.63
- C. neighbor zone with the peer address of 203.0.113.5
- D. traversal zone with the peer address 192.168.10.63
Answer: D
NEW QUESTION # 110
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 web server that contains the photos.
- B. Add an allow call policy rule from the Cisco UCM traversal zone.
- C. Add an HTTP allow list for the Instant Message and Presence server.
- D. Upload the missing Instant Messaging and Presence server certificate to fix the connection to its server.
Answer: A
NEW QUESTION # 111
An administrator made changes to a directory connector for Webex AD synchronization. The number of users synchronized is quite large and the change should affect only a limited number of users. How can the administrator check the result before executing the synchronization?
- A. Initiate a dry run of an incremental synchronization from the Director Connector in Control Hub.
- B. Initiate a dry run of an incremental synchronization from the Director Connector app on the on- premises Windows server.
- C. Initiate an incremental synchronization from the Director Connector in Control Hub because it will ask to save changes.
- D. Initiate an incremental synchronization from the Director Connector app on the on-premises Windows server because it will ask to save the changes.
Answer: B
NEW QUESTION # 112
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. SIP trunk to the DefaultZone
- B. link to the DefaultZone
- C. route pattern to the DefaultZone
- D. pipe to the DefaultZone
Answer: B
Explanation:
Using Links and Pipes to Manage Access and Bandwidth.
You can also manage calls from unrecognized systems and endpoints by configuring the "links" and "pipes" associated with the Default Zone. For example, you can delete the default links to prevent any incoming calls from unrecognized endpoints, or apply pipes to the default links to control the bandwidth consumed by incoming calls from unrecognized endpoints.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X14-0-
2/exwy_b_cisco-expressway-administrator-guide-x1402/exwy_m_zones-and-
neighbors.html#reference_AB9714D9A58AB2411A667F451A8ED9A5
NEW QUESTION # 113
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Cisco 300-820 certification exam covers a wide range of topics related to collaboration cloud and edge solutions, including call control protocols, endpoint registration, Cisco Expressway configurations, Cisco Webex Hybrid Services, and Cisco Cloud Services. 300-820 exam is designed to test the candidate's ability to implement and troubleshoot these solutions in real-world scenarios.
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