Quality 300-820 PDF Dumps - 300-820 Exam Questions
Most UptoDate Cisco 300-820 Exam Dumps PDF 2024
Achieving the Cisco Certified Specialist - Collaboration Cloud and Edge Implementation certification can be a game-changer for your career. It can help you stand out from the competition and demonstrate your expertise in the latest technologies and trends in the collaboration industry. Moreover, the certification can open up new career opportunities and lead to higher salaries. Therefore, if you want to advance your career in the collaboration field and demonstrate your proficiency in cloud and edge solutions, the Cisco 300-820 exam is a must-take certification exam.
Cisco 300-820 exam consists of 60-70 questions that need to be answered within 90 minutes. 300-820 exam is available in English and Japanese languages. 300-820 exam covers a wide range of topics, including Cisco Webex, Cisco Unified Communications Manager (CUCM), Cisco Expressway, Cisco Unified Border Element (CUBE), and Cisco Meeting Server. Candidates need to have a deep understanding of these topics and should have hands-on experience in configuring and troubleshooting Cisco collaboration solutions.
NEW QUESTION # 83
Which two types of information does Cisco Expressway back up? (Choose two.)
- A. security certificates
- B. current call states
- C. IP addresses
- D. call records
- E. log files
Answer: A,D
Explanation:
The data saved to a backup file includes:
- Bootstrap key (from X8.11)
- System configuration settings
- Clustering configuration
- Local authentication data (but not Active Directory credentials for remotely managed accounts)
- User account and password details
- Server security certificate and private key
- Call detail records (if the CDR service on Expressway is enabled)
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/admin_guide/Cisco- Expressway-Administrator-Guide-X8-11-4.pdf
NEW QUESTION # 84
How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?
- A. add the specific URI in the firewall section of the Expressway and block it
- B. configure FAC for the destination alias on the Expressway
- C. add a search rule route all calls to the Cisco UCM
- D. block the call with a call policy rule in the Expressway-E
Answer: D
NEW QUESTION # 85
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. A static NAT route is added to the firewall to bridge the two networks.
- C. The Expressway-E is enabled for Dual-NIC capability.
- D. Application layer gateway is enabled to bridge the media traffic.
Answer: C
NEW QUESTION # 86
Refer to the exhibit.
Which two numbers match the regular expression? (Choose two.)
- A. 0
- B. 1
- C. d209d165d200d224
- D. d20d16d20d22
- E. 2
Answer: B,E
NEW QUESTION # 87
Refer to the exhibit.
When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "[email protected]" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.
DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager.
Which change resolves the DNS problem?
- A. Change the collab-edge record to point to 5061.
- B. Remove the cisco-uds SRV record for the external DNS.
- C. Change cisco-uds to point to the Expressway-E FQDN.
- D. Change the priority of the SRV record for cisco-uds.
Answer: B
NEW QUESTION # 88
Which two licenses are required for the B2B feature to work? (Choose two.)
- A. Advanced Networking
- B. Rich Media Sessions
- C. TURN Relays
- D. Traversal Server
- E. Device Provisioning
Answer: B,D
NEW QUESTION # 89
A Jabber user is being prompted to trust the Expressway-E certificate when using Mobile and Remote Access. The administrator has validated that the Expressway-E certificate is being trusted by the machine running the Jabber client.
What else can be done to solve this problem?
- A. Include Cisco Unified Communications Manager registration domain in the Expressway-E certificate as a SAN.
- B. Change the domain name.
- C. Change the FQDN of the Expressway.
- D. Create a new CSR with new information on the SAN field.
Answer: A
NEW QUESTION # 90
Refer to the exhibit. When Expressway-E routes a call with URI [email protected] to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?
- A. 10.20.20.20
- B. 10.10.10.10
- C. 10.30.30.30
- D. 10.40.40.40
Answer: A
NEW QUESTION # 91
You must install an Expressway Edge server pair to enable mobile and remote access for a customer network. Which two requirements are used to install an MRA solution successfully?
(Choose two.)
- A. You can deploy Edge servers with multiple network interfaces or with a single network interface.
In both scenarios, you must enable NAT for the Internet-facing interface if you are using private Ip addresses. - B. Make sure that Expressway-Edge and Expressway-Core servers have their server certificates signed by the same certification authority and the CA certificate is uploaded to the trusted CA store otherwise the Traversal zone will not work.
- C. Configure DNS SRV records according. Make sure that you can resolve DNS SRV record_collab- edge_tls.yourdomain.com outside your company network.
Make sure that you cannot resolve it inside your company network. - D. Configure your firewalls to allow traffic from Expressway-Core to Expressway-Edge servers and to allow traffic from internet hosts to Expressway-Edge servers.
You do not need to configure firewall rules for traffic from Expressway-Edge to Expressway Core servers.
Answer: B,C
NEW QUESTION # 92
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. Interworking in Expressway-C
- C. Transcoding in Cisco Unified Communications Manager
- D. Transcoding in Expressway-C
Answer: C
NEW QUESTION # 93
An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?
- A. SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443
- B. SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443
- C. SRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061
- D. SRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061
Answer: A
Explanation:
To allow external clients to discover the Expressway-E server, the administrator must configure the SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443.
This SRV record is used for Mobile and Remote Access to allow external clients to connect securely to the Expressway-E server. The _collab-edge._tls prefix is used to identify the service as a "collaboration edge" service and the .example.com suffix is the domain name for the organization. Port 8443 is the default port used for secure HTTPS connections to the Expressway-E server.
NEW QUESTION # 94
An administrator configures a secure SIP trunk in Cisco UCM to Expressway-C. The SIP trunk fails to become active, and an examination of a packet capture finds that the TLS handshake failed with a "Certificate Unknown" error from Cisco UCM. To allow the Cisco UCM to trust the Expressway-C and establish a TLS connection, the administrator will upload the Expressway server certificate to the trust store. To which trust store must the certificate be uploaded?
- A. TVS-trust
- B. tomcat-trust
- C. ipsec-trust
- D. CallManager-trust
Answer: D
NEW QUESTION # 95
Refer to the exhibit. If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?
- A. Both Cloud Node US-EAST and US-WEST
- B. Video Mesh Cluster-2
- C. Cloud Node US-WEST
- D. Cloud Node US-EAST
Answer: B
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_ b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment- guide_chapter_010.html
"Which cluster is used also depends on latency rather than just location. For example, a cloud cluster with lower STUN round-trip (SRT) delay than a Webex Video Mesh cluster may be a better candidate for the meeting. This logic prevents a user from landing on a geographically far cluster with a high SRT delay".
NEW QUESTION # 96
A video device registered with Cisco UCM failed to make an outbound B2B call. From Expressway-C diagnostic logs, an engineer found that the destination pattern is
"[email protected]:5061", and the call was dropped with a 404 response code from Expressway-C. The search rule intended for this call-in Expressway-C is configured for Alias Pattern Match, Pattern type "Suffix," and Pattern "example.com". How must the configuration be changed to allow the call?
- A. Update the call policy list in Expressway-C to allow calls to "example.com".
- B. Update the route pattern in Cisco UCM to send calls to "example.com" to the correct port.
- C. Create a transform on Expressway-C to strip port numbers.
- D. Create a call policy rule on Expressway-E to allow calls to port 5061.
Answer: C
NEW QUESTION # 97
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 does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
- B. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
- C. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
- D. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
Answer: A
NEW QUESTION # 98
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Cisco 300-820 exam is a challenging exam that requires the candidates to have a deep understanding of the subject matter. 300-820 exam consists of 60-70 questions, and the candidates are given 90 minutes to complete the exam. 300-820 exam is computer-based and can be taken at Pearson VUE testing centers worldwide. Upon passing the exam, the candidates will be awarded the Cisco Certified Specialist - Collaboration Cloud and Edge Implementation certification, which is a valuable asset in the IT industry.
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