Test Cisco 300-820 Registration, 300-820 Test Passing Score

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Cisco 300-820 Exam Syllabus Topics:

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

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q138-Q143):

NEW QUESTION # 138
Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

Answer: C

Explanation:
A NAT ALG is similar to a firewall ALG, but a NAT ALG actually changes (maps) the addresses and ports in the signaling messages. The NAT ALG cannot inspect the contents of encrypted signaling messages.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab11/collab11/security.html
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X14-
0/basic_config/exwy_b_cisco-expressway-e-and-expressway-c-basic-configuration-deployment- guide-x14-0/exwy_m_advanced-networking-deployments.html


NEW QUESTION # 139
An engineer wants to configure a zone on the Expressway-E to receive communications from the Expressway-C in order to allow inbound and outbound calls. How is the peer address configured on the Expressway-C when Expressway-E has only one NIC enabled and is using static NAT mode?

Answer: A


NEW QUESTION # 140
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)

Answer: B


NEW QUESTION # 141
An engineer attempts to upload a server certificate to an Expressway-C server but receives an error when they click the upload button that says that the file is invalid. The engineer is advised that this happens because the certificate was signed incorrectly and is missing an attribute. What must the engineer do to upload the certificate?

Answer: D


NEW QUESTION # 142
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?

Answer: C


NEW QUESTION # 143
......

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