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Cisco 300-820 real answers - Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0

300-820
  • Exam Code: 300-820
  • Exam Name: Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0
  • Updated: Jun 21, 2026
  • Q & A: 295 Questions and Answers
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About Cisco 300-820 Exam guide

What Are the Main Features of the Exam?

Cisco 300-820 is a 90-minute exam that sets your career to a particular area of specialization, and that is Cisco collaboration. The topics covered here kick off with the fundamental concepts, then go through the expressway configurations and MRA solution. The last key section is about WebEx technologies. To gain a profound grasp of these domains, you need the support of various study materials, from books to training courses and more.

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/clcei-300-820.html

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Cisco 300-820 Exam Topics:

SectionWeightObjectives
Initial Expressway Configurations25%- 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 Technologies25%- 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

Mobile and Remote Access25%- 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
Key Concepts25%- 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)

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