Pass Guaranteed Quiz Cisco - 300-820 - The Best Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Accurate Answers

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Cisco 300-820 Exam Syllabus Topics:

Section	Objectives
Collaboration Cloud Architecture	- Webex platform integration overview - Cisco Collaboration cloud and hybrid architecture concepts
Hybrid Collaboration Services	- Webex hybrid calling deployment - Calendar, directory, and media services integration
Cisco Expressway and Edge Services	- Mobile and Remote Access (MRA) - Expressway-C and Expressway-E deployment
Security and Troubleshooting	- TLS/SRTP and secure signaling - Troubleshooting hybrid collaboration deployments
Call Control and SIP Integration	- SIP trunking and call routing design - Cisco Unified Communications Manager (CUCM) integration

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q135-Q140):

NEW QUESTION # 135
Refer to the exhibit. An administrator set up a B2B interop with a business partner running a Microsoft Lync environment and can successfully make outbound video calls to Jane.doe@ciscovideo.com. Inbound calls to paul.smith@ciscovoice.com, however, are failing. A quick SRV search returns the records in the exhibit. Which record must be modified to resolve this challenge?

A. _collab-edge._tls.ciscovoice.com
B. _sips._tcp.ciscovoice.com
C. _sipfederationtcp._tcp.ciscovoice.com
D. _h323ls._udp.ciscovoice.com

Answer: C

NEW QUESTION # 136
Which protocol and port are used for signaling between on-premises Cisco Webex Video Mesh Nodes and Cloud Media Services?

A. standard SIP TLS over TCP port 5061
B. signaling over HTTPS TCP port 443
C. standard SIP over TCP port 5060
D. signaling over TCP port 444

Answer: B

Explanation:

NEW QUESTION # 137
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. Expressway-E is listening on the wrong IP interface.
B. The XCP Service is not activated on Expressway-E.
C. Rich Media Session licenses are not activated on Expressway-E.
D. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.

Answer: A

Explanation:
https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/118798- technote-cucm-00.html#anc6

NEW QUESTION # 138
An organization wants to be able to call IP addresses and URI addresses. An engineer must configure Cisco Expressways to manage this request from the endpoints in the organization. How would the engineer configure the Expressways to allow these calls to be completed to external IP addresses?

A. Set calls to unknown IP addresses to indirect on the Expressway-C and direct on the Expressway-E, and add a search rule on the Expressway-E
B. Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E
C. Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E
D. Use search rules to manage calls to IP addresses, and the direct/indirect setting on the Expressway is used as a fallback only if the search rules do not exist

Answer: A

NEW QUESTION # 139
You must install an Expressway Edge server pair to enable mobile and remote access for a customer network. Which two requirements are used to install an MRA solution successfully?
(Choose two.)

A. Configure DNS SRV records according. Make sure that you can resolve DNS SRV record_collab-edge_tls.yourdomain.com outside your company network. Make sure that you cannot resolve it inside your company network.
B. Configure your firewalls to allow traffic from Expressway-Core to Expressway-Edge servers and to allow traffic from internet hosts to Expressway-Edge servers.
You do not need to configure firewall rules for traffic from Expressway-Edge to Expressway Core servers.
C. You can deploy Edge servers with multiple network interfaces or with a single network interface.
In both scenarios, you must enable NAT for the Internet-facing interface if you are using private Ip addresses.
D. Make sure that Expressway-Edge and Expressway-Core servers have their server certificates signed by the same certification authority and the CA certificate is uploaded to the trusted CA store otherwise the Traversal zone will not work.

Answer: A,D

Explanation:
Inside DNS SRV should be _cisco-uds._tcp.yourdomain.com with A record pointing to CallManager UDS service, could be running on TFTP server using 8443.
Outside DNS SRV should be _collab-edge._tls.yourdomain.com. TLS is required for external encryption pointing to A record of Expressway-E on port 8443.
Note: _cuplogin._tcp.yourdomain.com is NO longer needed, as Jabber gets Profile from Cisco CM.

NEW QUESTION # 140
......

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