[2024] Use Valid New 300-820 Test Notes & 300-820 Valid Exam Guide
300-820 Actual Questions Answers PDF 100% Cover Real Exam Questions
Cisco 300-820 exam covers a wide range of topics related to Cisco Collaboration Cloud and Edge Solutions. These topics include configuring and troubleshooting Cisco Unified Communications Manager IM and Presence, configuring Cisco Expressway Series, configuring and troubleshooting Cisco Webex Teams Hybrid, configuring and troubleshooting Cisco Cloud Services and many more.
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.
NEW QUESTION # 10
Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?
- A. Force Encrypted
- B. Auto
- C. C.......
- D. Best Effort
Answer: B
NEW QUESTION # 11
Refer to the exhibit.
Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?
- A. Ensure that the credential has been entered correctly.
- B. Ensure that the SIP domains are added on Expressway Core.
- C. Ensure that the _cisco-uds SRV record has been configured.
- D. Ensure that the peer address does not match the Common Name on certificate.
Answer: A
NEW QUESTION # 12
Which step is required when configuring Cisco Webex Hybrid Message Service?
- A. Add Expressway-C and Cisco United CM to the Cisco Webex Cloud.
- B. Add Cisco Unity Connection to Expressway-E.
- C. Register Expressway-C Connector Hosts to the Cisco Webex Cloud.
- D. Register Expressway-C to Cisco Unified Communications Manager.
Answer: C
NEW QUESTION # 13
What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)
- A. The Unified Communications zone is down.
- B. Transform is not configured on Expressway-E.
- C. The MRA license is missing on the Expressway-E.
- D. The firewall is blocking the port.
- E. The SRV record for _cisco-uds is misconfigured.
Answer: A,D
NEW QUESTION # 14
Cisco Collaboration deployment has video endpoints that can do B2B calls over the internet, but they also can make audio calls through a gateway. This ability means that someone from the internet can make fraud calls through the system. Which action must an engineer take to set up the search rules for calls that are being headed to the PSTN gateway?
- A. Ensure that only requests that are authenticated are allowed to make a PSTN call.
- B. Avoid using any wild card in the source settings in the search rules.
- C. Add registered devices only in the search rule for the PSTN gateway.
- D. Add registered devices only in the zone for the PSTN gateway.
Answer: B
NEW QUESTION # 15
Refer to the exhibit.
Which two numbers match the regular expression? (Choose two.)
- A. 0
- B. 1
- C. d209d165d200d224
- D. 2
- E. d20d16d20d22
Answer: A,B
NEW QUESTION # 16
Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?
- A. _cisco-expwy._tls.<domain>
- B. _cisco-mra._tls.<domain>
- C. _cisco-uds._tcp.<domain>
- D. _collab-edge._tls.<domain>
Answer: D
NEW QUESTION # 17
Refer to the exhibit.
Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.
What happens to the participant's call?
- A. The call is queued.
- B. The call fails.
- C. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- D. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
Answer: D
NEW QUESTION # 18
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?
- A. call routing
- B. search rule
- C. call policy
- D. traversal subzone
Answer: B
Explanation:
Search rules specify the range of telephone numbers / URIs to be handled by this neighbor Unified CM. They can also be used to transform URIs before they are sent to the neighbor.
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-
1/Cisco-Expressway-SIP-Trunk-to-Unified-CM-Deployment-Guide-CUCM-8-9-and-X8-1.pdf
NEW QUESTION # 19
Refer to the exhibit.
An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.
Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?
- A. All
- B. Neighbor Zone
- C. Any
- D. Traversal Zone
Answer: A
NEW QUESTION # 20
Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?
- A. Although a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.
- B. SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.
- C. No Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.
- D. Mobile and remote access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.
Answer: A
Explanation:
If you look at the bottom of the diagram, it shows a CUCM server configured and also states at the very bottom that the UC traversal zone is not configured.
NEW QUESTION # 21 
Refer to the exhibit. Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.
What happens to the participant's call?
- A. The call is queued.
- B. The call fails.
- C. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- D. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
Answer: D
NEW QUESTION # 22
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 the priority of the SRV record for cisco-uds.
- D. Change cisco-uds to point to the Expressway-E FQDN.
Answer: B
NEW QUESTION # 23
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 replaced by 135, and then is sent to the traversal zone.
- C. 13358 is sent directly to the traversal zone.
- D. 13358 is replaced by 135, and then is sent to the local zone.
Answer: B
NEW QUESTION # 24
Refer to the exhibit.
Which description of the transformation is true?
- A. It changes [email protected]:<port> to [email protected]
- B. It converts [email protected]:<port> to [email protected]
- C. It changes all patterns that begin with [email protected]:<port> to [email protected]
- D. It converts [email protected]:<port> to [email protected]
Answer: D
NEW QUESTION # 25
Refer to the exhibit. In an environment SIP devices are registered to CUCM and H.323 devices to VCS.
What would be required to enable these calls to setup correctly?
- A. Change the interworking mode to On.
- B. Disable SIP in the external zone.
- C. Change the domain of SIP endpoint A to cisco.com.
- D. Create a presearch transform.
Answer: A
NEW QUESTION # 26
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 replaced by 135, and then is sent to the local zone.
- C. 13358 is replaced by 135, and then is sent to the traversal zone.
- D. 13358 is sent directly to the traversal zone.
Answer: D
NEW QUESTION # 27
Which service is available in a cloud-based deployment using Cisco Webex Messenger?
- A. Phone services
- B. Voicemail
- C. Call forward services
- D. Presence
Answer: D
Explanation:
The following services are available in a cloud-based deployment using Webex Messenger:
- Contact Source
- Presence
- Instant Messaging
- Conferencing
NEW QUESTION # 28
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?
- A. IPS
- B. SAML authentication
- C. Cisco Unified CM publisher address
- D. SSO
Answer: C
NEW QUESTION # 29
Which mode should be used when Call Policy is configured on Expressways?
- A. on
- B. local CPL, policy service, and off
- C. remote CPL
- D. extended CPL
Answer: B
NEW QUESTION # 30
Which complication does a NAT introduce in SDP for a SIP call?
- A. When the client is behind a NAT they may be unable to determine the appropriate offset due to time zones.
- B. The encryption keys advertised in the SDP are only valid for clients not behind a NAT.
- C. Additional headers due to NAT encapsulation can cause the packet size to exceed the MTU.
- D. The IP address specified in the connection data field may be an unrouteable internal address.
Answer: B
NEW QUESTION # 31
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. [email protected]
- C. [email protected]
- D. 88513@ccnpcollab com
Answer: A
NEW QUESTION # 32
Refer to the exhibit.
An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.
Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?
- A. All
- B. Neighbor Zone
- C. Any
- D. Traversal Zone
Answer: A
NEW QUESTION # 33
Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?
- A. Internal endpoints are registered to Expressway-E in the DMZ. Expressway-C, which is also in the DMZ, will receive and make calls on behalf of Expressway-E because they are in the same network.
- B. Internal endpoints are registered to Expressway-C in the DMZ. Expressway-E, which is also in the DMZ, will receive and make calls on behalf of Expressway-C because they are in the same network.
- C. Expressway-C establishes an outgoing request to Expressway-E, enabling the Expressway-E in the DMZ to notify the internal Expressway-C of an incoming call from an external endpoint.
- D. Expressway-E establishes an outgoing request to Expressway-C, enabling the Expressway-C in the DMZ to notify the internal Expressway-E of an incoming call from an external endpoint.
Answer: C
NEW QUESTION # 34
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 8443
- C. _collab-edge on port 5061
- D. _cisco-uds on port 8443
Answer: B
NEW QUESTION # 35
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