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Cisco 300-820 Exam Syllabus Topics:

SectionWeightObjectives
Security10%- Security configuration
  • 1. Trunk and media security policies
  • 2. Endpoint, meeting, administration security
- Security architecture and services
  • 1. Encryption, authentication, access control
  • 2. Identity, key management, compliance
Cloud Management, Suite and Devices Administration20%- Monitoring and troubleshooting
  • 1. Call routing, meetings, messages issues
  • 2. Endpoint and service health monitoring
- Control Hub administration
  • 1. User, organization, site management
  • 2. Domain setup, security settings, integrations
APIs and Programmability10%- Development tools and portals
  • 1. App Hub, Developer Portal, Room OS Portal
  • 2. Device macros and automation
- Webex APIs
  • 1. Events and integration APIs
  • 2. Messaging, Meeting, Calling, People APIs
Hybrid and Migration to the Cloud10%- Deployment models and integration
  • 1. On-premises to cloud migration
  • 2. Video Mesh, hybrid data security
- Hybrid services implementation
  • 1. Cloud Connected UC and migration tools
  • 2. Calendar, directory, message connectors
Suite and Device Configuration25%- Webex Calling configuration
  • 1. Trunks, route groups, translation patterns
  • 2. Locations, numbers, dial plans, permissions
- Webex Meetings and Messaging setup
  • 1. Endpoint registration and provisioning
  • 2. Deployment models and feature configuration
Collaboration Cloud Technologies25%- Key concepts and architecture
  • 1. Licensing and backup/restore procedures
  • 2. NAT, ICE, TURN, STUN
  • 3. Expressway media traversal and protocol interworking
- Expressway configuration and integration
  • 1. Dial plan, B2B communication, MRA implementation
  • 2. Network, certificates, clustering, QoS setup

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q87-Q92):

NEW QUESTION # 87
Which complication does a NAT introduce in SDP for a SIP call?

Answer: D


NEW QUESTION # 88
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?

Answer: A


NEW QUESTION # 89
Which two statements about Mobile and Remote Access certificate are true? (Choose two.)

Answer: C,E

Explanation:
Public vs. Private Certificate Authority (CA)
There are a number of options to sign certificates on the Expressway-C and E servers. You can opt to have the Certificate Signing Request (CSR) signed by a public CA such as GoDaddy, Verisign, or others, or you can sign it internally using your own Certificate Authority (CA) (can either be self signed using openSSL or an internal enterprise CA such as a Microsoft Windows server).
The only server that is really required to be signed by a public CA is the Expressway-E. This is the only server that clients will see the certificate from when singing in via MRA therefore using a public CA will ensure that users do not have to manually accept the certificate. Using an internal CA to sign the Expressway-E will work but first time users will be prompted to accept the untrusted certificate. MRA registration of 7800 and 8800 series phones also will not work with internal certificates because their certificate trust list cannot be modified. For simplicity it is suggested that your Expressway-C and Expressway-E certificates both be signed by the same CA however this is not a requirement as long as you properly configured the trusted CA lists on both servers.
https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/213872- configure-and-troubleshoot-collaboration.html


NEW QUESTION # 90
An enterprise is deploying Hybrid Data Security to retain full control over encryption keys while using Webex cloud services for messaging and meetings. An engineer must ensure that:
- All message content is encrypted end-to-end.
- The Key Management Server is hosted on-premises.
- Compliance officers can still perform eDiscovery.
- The deployment integrates with Control Hub for user and policy
management.
Which action must be taken to meet the requirements?

Answer: A

Explanation:
Hybrid Data Security requires an on-premises HDS node that hosts the Key Management Server so the enterprise controls encryption keys while Webex cloud services continue to provide collaboration features. Registering the HDS node with Control Hub enables centralized user, policy, and compliance management, including eDiscovery support.


NEW QUESTION # 91
What is the last step for domain management in Cisco Webex Control Hub if an engineer adds users already signed in with the company domain?

Answer: D


NEW QUESTION # 92
......

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