Cisco 300-820日本語 : Implementing Cisco Collaboration Cloud and Edge Solutions (300-820日本語版)

Pass 300-820日本語 Exam Cram

Exam Code: 300-820J

Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820日本語版)

Updated: May 30, 2026

Q & A: 210 Questions and Answers

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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.

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

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
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
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

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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Core Concepts – 25%

Within this topic, the applicants should prove that they are capable of performing the following tasks:

  • Describing the function of TURN, STUNI, and ICE;
  • Describing the SIP media encryption mode (including auto; best effort; force unencrypted; force encrypted);
  • Describing the core Expressway settings (including network interfaces; certificates; DNS; QoS; network firewall rules; clustering);
  • Describing protocol interworking within Expressway (including SIP < > H.323 as well as IPv4 & IPv6);
  • Describing Expressway Licensing (including option keys; license consumption; release key);
  • Describing the Expressway backup as well as restoring procedure (cluster & stand alone).
  • Describing Expressway media traversal;
  • Describing the Expressway Core dial plan components (including transforms; zones; regular expressions; search rules; pipes & links);
  • Describing the complexities of NAT within a Collaboration environment;

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