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Cisco 300-820 Actual Questions and Braindumps
Cisco 300-820 certification exam is an excellent way for IT professionals to demonstrate their expertise in implementing Cisco Collaboration Cloud and Edge Solutions. It can help them advance their careers and increase their earning potential. Moreover, it can provide them with the skills and knowledge they need to effectively deploy, configure, and troubleshoot these solutions, thus enabling them to provide better support to their organizations.
NEW QUESTION # 16
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 Peer 1 address with the fully qualified domain name of the Expressway-E.
- C. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.
- D. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
Answer: A
Explanation:
You can upload the server certificate with the full chain on it. The issue here seems to be the temporary cert.
NEW QUESTION # 17
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. Remove the cisco-uds SRV record for the external DNS.
- B. Change cisco-uds to point to the Expressway-E FQDN.
- C. Change the priority of the SRV record for cisco-uds.
- D. Change the collab-edge record to point to 5061.
Answer: A
NEW QUESTION # 18
Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message:
XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) Connection refused"
Which is the cause of this issue?
- A. The XCP Service is not activated on Expressway-E.
- B. Expressway-E is listening on the wrong IP interface.
- C. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.
- D. Rich Media Session licenses are not activated on Expressway-E.
Answer: B
NEW QUESTION # 19
Which two licenses are required for the B2B feature to work? (Choose two.)
- A. TURN Relays
- B. Device Provisioning
- C. Traversal Server
- D. Advanced Networking
- E. Rich Media Sessions
Answer: A,E
NEW QUESTION # 20
Refer to the exhibit. Calls to locally registered endpoints are failing. At present, there are two endpoints registered locally to this Expressway.
An H.323 endpoint with an alias of "EndpointA" is registered, and a SIP endpoint with an alias of
"[email protected]" is also registered. How is this issue resolved?
- A. The current search rule does not match the call, so the search rule must be modified to include a SIP Variant of "Standards-Based".
- B. Calling parties are placing calls with the wrong domain. End-users must be instructed not to use the pod1.local domain as that is owned by the local system. Calls to any other domain would work.
- C. The dialplan must be redesigned to use the transforms to convert the alias into SIP URI format and then use separate search rules for each format that needs to be dialed within the local zone.
- D. The calls are failing because there are insufficient licenses. Additional licenses must be installed for the Expressway to route these calls.
Answer: C
NEW QUESTION # 21
Which two licenses are required for the B2B feature to work? (Choose two.)
- A. Traversal Server
- B. Advanced Networking
- C. Rich Media Sessions
- D. TURN Relays
- E. Device Provisioning
Answer: C,E
NEW QUESTION # 22
Which role does Call Policy play when preventing toll fraud on Expressways?
- A. It changes the audio codec used in a call through Expressways.
- B. It controls which calls are allowed, which calls are rejected, and which calls are redirected to a different destination.
- C. It changes the calling and called number on a call.
- D. It changes the audio protocol used by a call through Expressways.
Answer: B
NEW QUESTION # 23
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. Cloud Node US-WEST
- B. Both Cloud Node US-EAST and US-WEST
- C. Cloud Node US-EAST
- D. Video Mesh Cluster-2
Answer: D
NEW QUESTION # 24
Which two statements about configuring mobile and remote access on Cisco TelePresence Video Communication Server Expressway are true? (Choose two.)
- A. The traversal client zone and the traversal server zone must be set to SIP TLS with TLS verify mode set to On.
- B. The traversal client zone and the traversal server zone Media encryption mode must be set to Auto.
- C. The traversal client zone on Expressway-C Media encryption mode must be set to Auto.
- D. The traversal server zone on Expressway-C must have a TLS verify subject name configured.
- E. The traversal client zone and the traversal server zone Media encryption mode must be set to Force encrypted.
Answer: A,E
NEW QUESTION # 25
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. _collab-edge._tls.example.com
- B. _h323ls._udp.example com
- C. _h323ls._tcp.example.com
- D. _sips._tcp.example.com
- E. _sips._udp.example.com
Answer: B,D
Explanation:
Explanation
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-1/Cisco-Expressway-
NEW QUESTION # 26
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway must generate certificate signing request.
- B. The Jabber client can work with public or private CA signed certificate.
- C. Expressway Core can use private CA signed certificate.
- D. Expressway Edge must use public CA signed certificate.
- E. You must upload the root certificates in the phone trust store.
Answer: A,D
NEW QUESTION # 27
Refer to the exhibit.
When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?
- A. 13358 is replaced by 135 and remains in the same zone.
- B. 13358 is sent directly to the traversal zone.
- C. 13358 is replaced by 135, and then is sent to the traversal zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION # 28
An external Jabber device cannot register. While troubleshooting this issue, the engineer discovers that privately signed certificates are being used on Expressway-C and Expressway-E What action will resolve this issue?
- A. The private CA certificate must be placed in the phone trust store.
- B. The Jabber client must register to the Cisco UCM internally before it will register externally.
- C. The device running the Jabber client must use a VPN to register.
- D. The device running the Jabber client must download and trust the private CA certificate.
Answer: D
NEW QUESTION # 29
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?
- A. Create user accounts in Cisco Unified Communications Manager only.
- B. Create user accounts in Cisco Unified IM and Presence.
- C. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.
- D. Create user accounts in Cisco Webex Control Hub only.
Answer: C
NEW QUESTION # 30
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?
- A. _cisco-uds-edge on port 5061
- B. _collab-edge on port 5061
- C. _cisco-uds on port 8443
- D. _collab-edge on port 8443
Answer: D
Explanation:
8443 is required from the public IP address of the expressway for collab-edge SRV records.
NEW QUESTION # 31
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Cisco 300-820 certification exam is intended for IT professionals who have a minimum of three years of experience in implementing collaboration solutions. 300-820 exam is also suitable for professionals who are interested in enhancing their knowledge and skills in this field. Implementing Cisco Collaboration Cloud and Edge Solutions certification is a valuable credential for professionals who are seeking to advance their careers in the field of collaboration solutions.
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