300-820日本語版試験勉強法｜100％パス｜最新の質問

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Cisco 300-820 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Hybrid and Migration to the Cloud	10%	- Deployment models and integration 1. On-premises to cloud migration 2. Video Mesh, hybrid data security - Hybrid services implementation 1. Cloud Connected UC and migration tools 2. Calendar, directory, message connectors
Topic 2: Cloud Management, Suite and Devices Administration	20%	- Monitoring and troubleshooting 1. Call routing, meetings, messages issues 2. Endpoint and service health monitoring - Control Hub administration 1. User, organization, site management 2. Domain setup, security settings, integrations
Topic 3: APIs and Programmability	10%	- Development tools and portals 1. Device macros and automation 2. App Hub, Developer Portal, Room OS Portal - Webex APIs 1. Events and integration APIs 2. Messaging, Meeting, Calling, People APIs
Topic 4: Security	10%	- Security configuration 1. Endpoint, meeting, administration security 2. Trunk and media security policies - Security architecture and services 1. Identity, key management, compliance 2. Encryption, authentication, access control
Topic 5: Collaboration Cloud Technologies	25%	- Expressway configuration and integration 1. Network, certificates, clustering, QoS setup 2. Dial plan, B2B communication, MRA implementation - Key concepts and architecture 1. Licensing and backup/restore procedures 2. Expressway media traversal and protocol interworking 3. NAT, ICE, TURN, STUN
Topic 6: Suite and Device Configuration	25%	- 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

>> 300-820日本語版試験勉強法 <<

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 認定 300-820 試験問題 (Q122-Q127):

質問 # 122
Which two scenarios need a proper DNS configuration on Expressway servers? (Choose two.)

A. Admins download software updates from the Cisco website via WebUI.
B. Admins avoid IP address configuration for neighbor zone peers.
C. Expressway servers use NTP peer authentication for secure time updates.
D. Expressway servers verify the common name attribute in server certificates.
E. Expressway servers route calls based on SIP URI.

正解：B、D

質問 # 123
Refer to the exhibit. A Webex Calling administrator for a company with multiple locations reports that dialing *88* to reach the IT help desk is not working from the SJC office, though it works from other locations. Why is the call is not routing correctly from the SJC office?

A. The location-level pattern should take precedence, but it may be misconfigured.
B. The wildcard character * is not supported in translation patterns, which leads to a failure.
C. Translation patterns do not apply to short number dialing, so the call fails.
D. The organization-level pattern is overriding the location-level pattern, which causes a mismatch.

正解：A

解説：
In Webex Calling, a location-level translation pattern takes precedence over an organization-level pattern for users in that location. Since the SJC office has its own location-level pattern for *88*, the call should match that entry first, so the routing issue points to the SJC location-level pattern or its replacement configuration being incorrect.

質問 # 124
When does the Webex App Endpoint send media to the Video Mesh cluster during a meeting?

A. when the Webex cloud media services are offline
B. when there is insufficient bandwidth at the internet edge
C. when the round-trip delay to the Video Mesh cluster is shorter than the round-trip delay to the Webex cloud media services
D. when there is insufficient bandwidth at the MPLS WAN edge.

正解：C

質問 # 125
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?

A. call policy
B. traversal subzone
C. call routing
D. search rule

正解：D

解説：
Search rules specify the range of telephone numbers / URIs to be handled by this neighbor Unified CM. They can also be used to transform URIs before they are sent to the neighbor.
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-1/Cisco-Expressway-SIP-Trunk-to-Unified-CM-Deployment-Guide-CUCM-8-9-and-X8-1.pdf

質問 # 126
Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?

A. STUN
B. TURN
C. RTP
D. SNMP

正解：A

質問 # 127
......

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