無料ダウンロードCisco 300-820試験攻略は主要材料 &有効的な300-820: Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0

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Cisco 300-820 Exam Syllabus Topics:

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

>> 300-820試験攻略 <<

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 認定 300-820 試験問題 (Q151-Q156):

質問 # 151
A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C server and are then routed to a 10-digit PSTN number. What must be configured to limit incoming Expressway calls to the internal Cisco UCM range of extensions 5XXXX?

正解：A

解説：
To prevent toll fraud and restrict what calls Cisco UCM will accept from Expressway, the control must be enforced on Cisco UCM, not on Expressway search or call policy rules. By configuring a Calling Search Space (CSS) on the UCM SIP trunk from Expressway that includes only the partition containing internal extensions (5XXXX), UCM will reject any calls from Expressway attempting to reach PSTN or other unauthorized destinations. This is the correct and recommended method to limit inbound Expressway calls to a specific internal extension range and stop fraudulent PSTN routing.


質問 # 152
How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

正解：B


質問 # 153
Refer to the exhibit. After security policy updates, users in your organization report they cannot add external participants to newly created Webex App spaces but can still communicate with external users in older group spaces.
Investigation shows:
- External communication was recently restricted using "Allow selected domains only" in Control Hub.
- The allow list for domains is currently empty.
- No user groups are exempted from the restriction policy.
- Existing spaces that included internal and external members before the restriction still function normally.
What is the explanation for this behavior?

正解：C

解説：
External messaging restrictions in Control Hub affect new external communication activity after the policy is applied, such as adding external participants to new spaces. Existing group spaces that already contained external users before the restriction can continue to function, so older spaces are not automatically broken by the policy change.


質問 # 154
Which configuration does Cisco recommend for the peer address on the Expressway-C secure traversal zone when the Expressway-E has one NIC enabled?

正解：B


質問 # 155

Refer to the exhibit. Which two numbers match the regular expression? (Choose two.)

正解：B、E


質問 # 156
......

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