Certification Training for 300-820 Exam Dumps Test Engine [2021]
Oct 07, 2021 Step by Step Guide to Prepare for 300-820 Exam
NEW QUESTION 40
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. add a search rule route all calls to the Cisco UCM
- C. block the call with a call policy rule in the Expressway-E
- D. configure FAC for the destination alias on the Expressway
Answer: C
NEW QUESTION 41
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. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
- B. The call is queued.
- C. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
- D. The call fails.
Answer: C
NEW QUESTION 42
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. Any
- C. Traversal Zone
- D. Neighbor Zone
Answer: B
NEW QUESTION 43
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?
- A. _cisco-uds on port 8443
- B. _collab-edge on port 8443
- C. _collab-edge on port 5061
- D. _cisco-uds-edge on port 5061
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-5/exwy_b_mra-expressw
NEW QUESTION 44
What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?
- A. ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.
- B. ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.
- C. ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.
- D. ICE uses FAST updates to optimize the video quality in case of packet loss. This technology is available only from Cisco Unified CM version 11.5 and later.
Answer: C
NEW QUESTION 45
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?
- A. SAML authentication
- B. SSO
- C. Cisco Unified CM publisher address
- D. IPS
Answer: C
NEW QUESTION 46
Refer to the exhibit.
Which description of the transformation is true?
- A. It changes all patterns that begin with [email protected]:<port> to [email protected]
- B. It converts [email protected]:<port> to [email protected]
- C. It converts [email protected]:<port> to [email protected]
- D. It changes [email protected]:<port> to [email protected]
Answer: B
NEW QUESTION 47
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 48
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. You must upload the root certificates in the phone trust store.
- B. Expressway Core can use private CA signed certificate.
- C. Expressway Edge must use public CA signed certificate.
- D. The Jabber client can work with public or private CA signed certificate.
- E. Expressway must generate certificate signing request.
Answer: B,E
NEW QUESTION 49
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 ASA 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 Firepower Firewall
Answer: B
NEW QUESTION 50
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 CM and Cisco Webex Control Hub.
- C. Create user accounts in Cisco Webex Control Hub only.
- D. Create user accounts in Cisco Unified IM and Presence.
Answer: C
NEW QUESTION 51
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.
Which statement is true?
- A. Installing a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004.
- B. Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
- C. Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients. A DMZ node is added for extra security.
- D. Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
Answer: A
NEW QUESTION 52
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)
- A. Expressway must generate certificate signing request.
- B. You must upload the root certificates in the phone trust store.
- C. Expressway Core can use private CA signed certificate.
- D. Expressway Edge must use public CA signed certificate.
- E. The Jabber client can work with public or private CA signed certificate.
Answer: C,E
NEW QUESTION 53
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?
- A. Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
- B. Cisco Webex Meeting Center is always used for meeting capabilities.
- C. Cisco Unified CM is always used for meeting capabilities.
- D. Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
Answer: B
NEW QUESTION 54
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 then is sent to the local zone.
- D. 13358 is replaced by 135 and remains in the same zone.
Answer: B
NEW QUESTION 55
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