100% Reliable 300-820 Exam Dumps Test Pdf Exam Material [Q63-Q80]

NEW QUESTION 63
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?

Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.

Configure the Expressway-C Traversal Client zone transport protocol with TCP.

Add a server certificate to the Expressway-C that is signed by a certificate authority.

Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.

NEW QUESTION 64
An engineer is investigating failing incoming calls that are expected to connect. The engineer notices that the failed calls all have a port number of 5060 at the end of the URI. The search rules are configured in a way that they do not expect a port to be included. Which configuration allows the routing of this call?

* transform with a pattern string of *(.*)@example.com(:5060)?”
* replace a suing of [email protected]

* search rule with a pattern string of “(.*)@example.com(:5050)?”
* replace a string of 12@example com

search rule with a pattern string of “(.*)@example.com(:5060)?”
* replace a string of [email protected]

* transform with a pattern string of “(.*)@example.com(:5060)?”
* replace a string of [email protected]

NEW QUESTION 65
Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?

Expressway-C “DNS”, Expressway-E “Traversal server”

Expressway-C “Traversal server”, Expressway-E “Traversal client”

Expressway-C “Neighbor”, Expressway-E “Neighbor”

Expressway-C “Traversal client”, Expressway-E “Traversal server”

NEW QUESTION 66
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?

Cisco Unified CM is always used for meeting capabilities.

Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.

Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.

Cisco Webex Meeting Center is always used for meeting capabilities.

NEW QUESTION 67
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

SDP b-line

SIP record route

SDP c-line

SDP m-line

NEW QUESTION 68
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?

10.20.20.20

10.10.10.10

10.40.40.40

10.30.30.30

NEW QUESTION 69
An engineer is deploying an Expressway solution for the SIP domain Cisco.com.
Which SRV record should be configured in the public DNS to support inbound B2B calls?

_collab-edge._tls.cisco.com

_cisco-uds._tcp.cisco.com

_sip._tcp.cisco.com

_cuplogin._tcp.cisco.com

NEW QUESTION 70
Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

Off

Auto

Force Encrypted

Best Effort

NEW QUESTION 71
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?

Traversal Zone

Any

Neighbor Zone

All

NEW QUESTION 72
For a Mobile and Remote Access deployment, which server’s certificate must include the Unified registration domain as a Subject Alternate Name?

Expressway-C server certificate

Cisco Unified Communications Manager server certificate

Expressway-E server certificate

Expressway-C and Expressway-E server certificate

NEW QUESTION 73
When external video endpoints are called via a DNS zone, which dialing method requires DNS to be configured in the Expressway server?

IP dialing

URI dialing

DN dialing

E.164

NEW QUESTION 74
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?

Rich Media Session licenses are not activated on Expressway-E.

Expressway-E is listening on the wrong IP interface.

The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.

The XCP Service is not activated on Expressway-E.

NEW QUESTION 75
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?

Both Cloud Node US-EAST and US-WEST

Video Mesh Cluster-2

Cloud Node US-EAST

Cloud Node US-WEST

NEW QUESTION 76
Which 16-digit number is unique to a serial number and is used to enable the system?

RMS license key

option key

release key

Expressway series

NEW QUESTION 77
Which media encryption mode can be configured on an Expressway zone?

Advanced Encryption Standard

IPsec

Triple Data Encryption Standard

force unencrypted

NEW QUESTION 78
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?

Traversal Zone

Any

Neighbor Zone

All

NEW QUESTION 79
What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.

ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.

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.

ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.

NEW QUESTION 80
Which two statements about Expressway media traversal are true? (Choose two.)

Expressway Control is the traversal server installed in the DMZ.

The Expressway Edge must be put in a firewall DMZ segment.

Cisco Unified Communications Manager zone can be either traversal server or client.

The Unified Communications traversal zone can be used for Mobile and Remote Access.

Both Expressway Edge interfaces can be NATed.

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