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Cisco 300-820 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Collaboration Cloud Technologies	15%	- Cloud architecture and services 1. Webex cloud architecture 2. Hybrid service concepts 3. Identity and authentication 4. Cloud connectivity models
Topic 2: Cloud Management	10%	- Cloud administration 1. Troubleshoot cloud user management 2. Manage users and organizations
Topic 3: Suite and Devices Management and Administration	30%	- Administration and troubleshooting 1. Manage collaboration devices 2. Manage Control Hub services 3. Troubleshoot hybrid deployments 4. Monitor collaboration services
Topic 4: Security	10%	- Security implementation 1. Authentication and authorization 2. Certificates and trust 3. Secure collaboration communications
Topic 5: Suite and Devices Configuration	25%	- Configuration tasks 1. Configure Single Sign-On (SSO) 2. Configure site survivability 3. Configure Hybrid Calendar Service using cloud mail services 4. Configure registration-based local gateways 5. Configure directory synchronization 6. Configure Control Hub calling features such as Hot Desking and Auto Attendant 7. Configure certificate-based local gateways
Topic 6: APIs and Programmability	10%	- Automation and integration 1. Programmability concepts 2. REST API fundamentals 3. Automation use cases 4. Cisco Webex APIs

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 認定 300-820 試験問題 (Q34-Q39):

質問 # 34
Refer to the exhibit. When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "user@example.com" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.

DNS A record "expressway-e.example.com" points to the Expressway-E IP and
"cucm.example.com" points to the Cisco Unified Communications Manager.
Which change resolves the DNS problem?

A. Change the priority of the SRV record for cisco-uds.
B. Change cisco-uds to point to the Expressway-E FQDN.
C. Change the collab-edge record to point to 5061.
D. Remove the cisco-uds SRV record for the external DNS.

正解：D

質問 # 35
How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?

A. add the specific URI in the firewall section of the Expressway and block it
B. block the call with a call policy rule in the Expressway-E
C. add a search rule route all calls to the Cisco UCM
D. configure FAC for the destination alias on the Expressway

正解：B

解説：
https://community.cisco.com/kxiwq67737/attachments/kxiwq67737/4576-docs-colaboracao-voz- e-video/141/2/lpcor-fac.pdf

質問 # 36
Refer to the exhibit. You have Cisco Expressway using SIP for external calls. SIP Nat/Alg is configured on the edge firewall. The call fails with one way audio. Which problem with the configuration?

A. SIP NAT is not enabled for TLS
B. The security certificate used by Cisco Expressway is not valid
C. Secure SIP (TLS) is not supported by the firewall.
D. The Apache service was not restarted on Cisco Unified Communications Manager after SIP TLS was configured.

正解：A

質問 # 37
How is the communication routed in a Hybrid deployment so that people on Cisco Cloud-Based IM are able to communicate with Cisco Jabber users in the on-premises environment?

A. The Expressway-E located in the DMZ establishes a connection with the Cisco Webex Cloud to enable the hybrid service and allow the two services to communicate.
B. The Cisco UC server establishes a connection using the outgoing path through the Cisco Expressways that terminates in the Cisco Webex Cloud to create the hybrid environment that links the two services together.
C. The Expressway-C enables a connection directly with the Cisco Webex Cloud to enable the hybrid service and allow the two services to communicate.
D. The Cisco Unified IM and Presence server establishes a connection using the outgoing path through the Cisco Expressways that terminates in the Cisco Webex Cloud to create the hybrid environment that links the two services together.

正解：C

質問 # 38
Refer to the exhibit.

Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.
What happens to the participant's call?

A. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.
B. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
C. The call fails.
D. The call is queued.

正解：A

質問 # 39
......

300-820模擬テストは、シラバスの変更とCisco理論と実践の最新の進展に応じて何百人もの専門家によって改訂された高品質の製品であり、各学生が重要なコンテンツの学習を完了することができるように焦点を絞ってターゲットを絞っています最短時間で。 300-820トレーニング準備では、300-820試験を受ける前に20〜30時間の練習をするだけで済みます。一方、300-820試験の質問を使用すると、Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0試験の焦点が失われることを心配する必要はありません。

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