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Mobile & Remote Access – 25%
To deal with the questions from this domain, the examinees need to prove that they are proficient in:
- Configuring a Mobile & Remote Access solution (including DNS records types; certificates, HTTP allow list; Unified Communications traversal zones; Unified Communications configuration within Expressway; SIP trunk security profile within Cisco Unified Communications Manager);
- Troubleshooting a Mobile & Remote Access solution.
Here are the Prerequisites of Cisco 300-820 Exam
Prerequisites: None
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Cisco 300-820 Exam Topics:
| Section | Weight | Objectives |
|---|
| Key Concepts | 25% | - Describe the complications of NAT in a Collaboration environment - Describe the purpose of ICE, TURN and STUN - Describe Expressway media traversal - Describe protocol interworking on the Expressway- SIP < > H.323
- IPv4 and IPv6
- Describe Expressway Licensing - Option keys
- Release key
- License consumption
- Describe SIP media encryption mode - Auto
- Force encrypted
- Force unencrypted
- Best effort
- Describe Expressway Core dial plan elements - Transforms
- Search rules
- Zones
- Regular expressions
- Pipes and links
- Describe key Expressway settings - DNS
- Network interfaces
- Certificates
- QoS
- Clustering
- Network firewall rules
- Describe Expressway backup and restore procedure (stand alone and cluster) |
| Mobile and Remote Access | 25% | - Configure a Mobile and Remote Access (MRA) solution- DNS records types (not platform-specific)
- Certificates (not platform specific, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
- Unified Communications traversal zones
- Unified Communications configuration on Expressway
- HTTP allow list
- SIP trunk security profile on Cisco Unified Communications Manager
- Troubleshoot a Mobile and Remote Access (MRA) solution - DNS records (focus on Microsoft DNS)
- Certificates (focus on Microsoft CA, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
- Unified Communications traversal zones
- Unified Communications configuration on Expressway
- HTTP allow list
- SIP trunk security profile on Cisco Unified Communications Manager
|
| Initial Expressway Configurations | 25% | - Configure key Expressway settings- DNS
- Network interfaces
- Certificates
- QoS
- Clustering
- Network firewall rules
- Configure Expressway Core dial plan elements - Transforms
- Search rules
- Zones
- Regular expressions
- Pipes and links
- Configure toll fraud prevention on Expressway series (no custom CPL scripts) - Configure a Business to Business (B2B) collaboration solution - DNS records (focus on Microsoft DNS)
- Certificates (focus on Microsoft CA)
- Traversal Zones
- Neighbor Zones
- Transforms
- Search rules
- SIP trunk integration with Cisco Unified Communications Manager
- Troubleshoot a Business to Business (B2B) collaboration solution - DNS records (focus on Microsoft DNS)
- Certificates (focus on Microsoft CA)
- Traversal Zones
- Neighbor Zones
- Transforms
- Search rules
- SIP trunk integration with Cisco Unified Communications Manager
|
| Cisco WebEx Technologies | 25% | - Describe the signaling and media flows used in a Cisco WebEx Video Mesh deployment - Configure WebEx Hybrid Services/Connector- Calendar Service (Office 365, Microsoft Exchange, One Button to Push)
- Message Service (Deployment requirements; expressway requirements, certificates, Call Manager pre-requisites, IM&P prerequisites, deployment models)
- Directory Services (Deployment requirements; deployment models, infrastructure requirements, active directory configuration, synchronization, WebEx user service assignment)
- Video Mesh (Deployment requirements including; bandwidth, clustering, endpoint support, video call capacity, ports and protocols, deployment models)
- Describe Cisco Jabber for Cloud and Hybrid deployments with Cisco WebEx Messenger |
Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/clcei-300-820.html
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