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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 28
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 peer address does not match the Common Name on certificate.
- B. Ensure that the credential has been entered correctly.
- C. Ensure that the _cisco-uds SRV record has been configured.
- D. Ensure that the SIP domains are added on Expressway Core.
Answer: B
NEW QUESTION 29
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. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
- C. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
- D. Encrypted IP traffic for collaboration devices always is trusted by the firewall.
Answer: B
NEW QUESTION 30
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. route pattern to the DefaultZone
- C. link to the DefaultZone
- D. pipe to the DefaultZone
Answer: C
NEW QUESTION 31
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. 88513@ccnpcollab com
- C. [email protected]
- D. [email protected]
Answer: C
NEW QUESTION 32
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?
- A. the SIP delay header during call setup
- B. the lowest STUN round-trip delay to each node and cloud
- C. a reachable Video Mesh Node and then overflows to the cloud, if needed
- D. an HTTPS speed and latency test to each node and the cloud
Answer: C
NEW QUESTION 33
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-EAST
- D. Cloud Node US-WEST
Answer: B
NEW QUESTION 34
Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?
- A. RTP
- B. STUN
- C. SNMP
- D. TURN
Answer: B
NEW QUESTION 35 
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. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- C. The call fails.
- 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 36
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 the priority of the SRV record for cisco-uds.
- C. Change the collab-edge record to point to 5061.
- D. Change cisco-uds to point to the Expressway-E FQDN.
Answer: A
NEW QUESTION 37
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 the priority of the SRV record for cisco-uds.
- C. Change the collab-edge record to point to 5061.
- D. Change cisco-uds to point to the Expressway-E FQDN.
Answer: A
NEW QUESTION 38
When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device. To do so, it is important that some dial plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.
Which range is correct?
- A. any number between 1-65534
- B. any number between 1-128
- C. any number in the drop-down menu
- D. any number in the dialog box
Answer: A
NEW QUESTION 39
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. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- C. The call fails.
- 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 40
With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)
- A. From VMN to CUCM SIP endpoints, the source UDP ports from 52500 to 62999 is used for audio traffic.
- B. From Webex cloud to VMN, the source UDP port 9000 is used for audio traffic.
- C. From VMN to Webex cloud, the destination UDP port 9000 is used for video traffic.
- D. From VMN to video endpoints, the destination UDP port 5004 is used for audio traffic.
- E. From VMN to Webex Teams clients, the source UDP port 5004 is used for video traffic.
Answer: A,E
NEW QUESTION 41
Refer to the exhibit.
The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?
A)
B)
C)
D)
- A. Option A
- B. Option C
- C. Option B
- D. Option D
Answer: D
NEW QUESTION 42
A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally.
For which reason would you see activity on the TURN server when a call is established between two external endpoints?
- A. The video call is using 4K resolution, which is not supported by ICE with CUCM 12.5
- B. A STUN cannot punch holes in the firewall
- C. ICE cannot reduce the packet loss on the link
- D. The video call is using encryption, which is not supported by ICE with CUCM 12.5
Answer: B
NEW QUESTION 43
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 then is sent to the traversal zone.
- B. 13358 is sent directly to the traversal zone.
- C. 13358 is replaced by 135, and then is sent to the local zone.
- D. 13358 is replaced by 135 and remains in the same zone.
Answer: B
NEW QUESTION 44
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?
- A. Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise
- B. Cisco Expressway-C, Cisco Unified Communications Manager, and IM&P
- C. Cisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
- D. Cisco Expressway-E and endpoints outside the enterprise
Answer: D
NEW QUESTION 45
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