300-820學習指南 & 300-820软件版

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Cisco 300-820 Exam Syllabus Topics:

Section	Weight	Objectives
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
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. NAT, ICE, TURN, STUN 3. Expressway media traversal and protocol interworking
Hybrid and Migration to the Cloud	10%	- 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
Cloud Management, Suite and Devices Administration	20%	- Monitoring and troubleshooting 1. Endpoint and service health monitoring 2. Call routing, meetings, messages issues - Control Hub administration 1. Domain setup, security settings, integrations 2. User, organization, site management
Security	10%	- Security configuration 1. Trunk and media security policies 2. Endpoint, meeting, administration security - Security architecture and services 1. Identity, key management, compliance 2. Encryption, authentication, access control
APIs and Programmability	10%	- Webex APIs 1. Messaging, Meeting, Calling, People APIs 2. Events and integration APIs - Development tools and portals 1. App Hub, Developer Portal, Room OS Portal 2. Device macros and automation

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最新的 CCNP Collaboration 300-820 免費考試真題 (Q264-Q269):

問題 #264
When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

A. SDP c-line
B. SDP b-line
C. SIP record route
D. SDP m-line

答案：C

問題 #265
What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

A. Cisco Unified IM and Presence Server
B. Cisco UCM
C. Cisco Webex Administration Tool
D. Cisco Webex Directory Connector

答案：C

解題說明：
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/12_6/cjab_b_cloud-and-hybrid- deployments-cisco-jabber-12-6/cjab_b_cloud-and-hybrid- deployments-cisco-jabber-12-
6_chapter_0101.html

問題 #266
Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

A. opening an outbound connection directly to the client through the firewall
B. using an existing keep alive connection opened by the client
C. requesting for permission from the firewall
D. opening an inbound connection directly to the client through the firewall

答案：B

解題說明：
When the traversal server (Expressway-E) receives an incoming call for the traversal client (Expressway-C), it uses the existing keepalive connection that was initiated by the traversal client. This is a core principle of the Mobile and Remote Access (MRA) architecture, which relies on outbound connections from inside to outside to traverse NAT/firewalls securely and without requiring inbound openings.

問題 #267
What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

A. The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.
B. The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.
C. The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.
D. Encrypted IP traffic for collaboration devices always is trusted by the firewall.

答案：D

問題 #268
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?

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

答案：B

解題說明：
Reference:
https://cmslab.ciscolive.com/pod8/cucm/expctrunk

問題 #269
......

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