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Cisco 300-820 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0
Exam Number:	300-820
Exam Duration:	90 minutes
Related Certifications:	Cisco Certified Specialist - Collaboration Cloud & Edge Implementation CCNP Collaboration
Available Languages:	English
Real Exam Qty:	Approximately 55-65
Certificate Validity Period:	3 years
Passing Score:	Variable (Cisco does not publish a fixed passing score)
Exam Format:	Multiple Answer, Multiple Choice
Exam Price:	USD $300
Sample Questions:	Cisco 300-820 Sample Questions
Exam Way:	Pearson VUE authorized testing center or Cisco-supported online proctored exam.
Pre Condition:	There are no formal prerequisites. Cisco recommends 3-5 years of experience implementing and maintaining collaboration solutions and familiarity with collaboration networking technologies.
Official Syllabus URL:	https://www.cisco.com/site/us/en/learn/training-certifications/exams/clhct.html

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Cisco 300-820 Exam Topics:

Section	Weight	Objectives
Mobile and Remote Access	25%	- 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 Technologies	25%	- 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
Initial Expressway Configurations	25%	- 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
Key Concepts	25%	- 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)

Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q189-Q194):

NEW QUESTION # 189
Refer to the exhibit. After hardening the Cisco Expressway, an engineer noticed this error in the logs HTTP error 429 "Too Many Requests," and users report that authentication is not possible on more than two devices. What must the engineer increase to correct the issue?

A. rate control period
B. credentials refresh interval
C. credentials cleanup interval
D. maximum authorizations per period

Answer: D

NEW QUESTION # 190
What should an engineer use to create users for a Cisco Jabber Cloud Deployment?

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

Answer: B

Explanation:
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

NEW QUESTION # 191
During the deployment of a Cisco Webex Video Mesh, where do on-premises SIP endpoints send signaling?

A. On-premises endpoints cannot participate in Cisco Webex Video Mesh
B. to the call control environment (Unified CM or Expressway)
C. to the cloud
D. to the switching services

Answer: B

NEW QUESTION # 192
A company has an on-premises Cisco collaboration cluster that contains Cisco UCM, IM and Presence, and Cisco Webex in the cloud. The company wants to integrate the on-premises infrastructure with Webex to enable interoperability with the Webex App. An engineer already configured the cluster in Cisco UCM, IM and Presence, and the organization in the Webex Control Hub. Which action must the engineer take to complete the configuration?

A. Deploy a Webex Device Connector.
B. Deploy Directory Connector.
C. Open the TCP 443 port from IM and Presence to Webex Cloud.
D. Deploy a Cisco Expressway Message Connector host.

Answer: B

NEW QUESTION # 193
A customer is migrating from an on-premises Cisco UCM deployment to Webex Calling and successfully converted the phone firmware from Enterprise to MPP. After a user is configured with Webex Calling professional license and the MPP phone is added with a MAC address, the endpoint fails to register. What is the reason?

A. The user has not signed into the Webex account.
B. The phone must be added to the user before the license is assigned.
C. The Webex App is not installed on the user's PC or is not running.
D. The remote office's firewall is blocking specific Webex service ports

Answer: D

Explanation:
After an Enterprise phone is converted to MPP and added in Control Hub with the correct user license and MAC address, registration depends on the phone reaching Webex Calling cloud services. If required Webex service ports or URLs are blocked by the office firewall, the phone cannot complete cloud registration.

NEW QUESTION # 194
......

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