Real Cisco 300-820 Exam Questions: Ensure Your Success

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Cisco 300-820 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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. Expressway media traversal and protocol interworking 2. Licensing and backup/restore procedures 3. NAT, ICE, TURN, STUN
Topic 2: Hybrid and Migration to the Cloud	10%	- Hybrid services implementation 1. Calendar, directory, message connectors 2. Cloud Connected UC and migration tools - Deployment models and integration 1. Video Mesh, hybrid data security 2. On-premises to cloud migration
Topic 3: APIs and Programmability	10%	- Development tools and portals 1. App Hub, Developer Portal, Room OS Portal 2. Device macros and automation - Webex APIs 1. Messaging, Meeting, Calling, People APIs 2. Events and integration APIs
Topic 4: 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
Topic 5: 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. Endpoint registration and provisioning 2. Deployment models and feature configuration
Topic 6: Cloud Management, Suite and Devices Administration	20%	- Control Hub administration 1. User, organization, site management 2. Domain setup, security settings, integrations - Monitoring and troubleshooting 1. Endpoint and service health monitoring 2. Call routing, meetings, messages issues

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Cisco Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0 Sample Questions (Q126-Q131):

NEW QUESTION # 126
Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

A. Off
B. Best Effort
C. Force Encrypted
D. Auto

Answer: D

NEW QUESTION # 127
Refer to the exhibit. A customer reports degraded video quality during Webex Meetings. An engineer examines the Webex Control Hub statistics and notices the uplink bandwidth from the customer's site fluctuates sharply. Which two actions must the engineer take to restore video performance? (Choose two.)

A. Disable QoS on the WAN interface to avoid bandwidth misallocation.
B. Change the DSCP value used by Webex video streams from AF41 to EF.
C. Increase the priority bandwidth allocated for the VIDEO class.
D. Reconfigure "class-default" to use policing instead of fair queue.
E. Verify that ingress traffic marking from endpoints matches the expected DSCP.

Answer: C,E

Explanation:
Webex video quality depends on sufficient prioritized WAN bandwidth and correct DSCP classification. The policy prioritizes traffic marked AF41, so the engineer should confirm that Webex endpoints are marking video traffic as expected and increase the VIDEO class priority allocation if the current 20% is insufficient during fluctuating uplink conditions.

NEW QUESTION # 128
Drag and drop the services from the left onto their descriptions on the right. Some services are used more than once.

Answer:

Explanation:

NEW QUESTION # 129
Refer to the exhibit.

An Expressway-C and Expressway-E are configured for B2B calling and the Expressway- E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.
Which action resolves this error?

A. Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.
B. Add a server certificate to the Expressway-C that is signed by a certificate authority.
C. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
D. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.

Answer: D

NEW QUESTION # 130
An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?

A. SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443
B. SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443
C. SRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061
D. SRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061

Answer: A

Explanation:
For Mobile and Remote Access (MRA), external clients use the _collab-edge._tls SRV record to discover the Expressway-E server. This SRV record must point to the Expressway-E FQDN and use port 8443, which is the default secure HTTPS port used for MRA traffic over TLS.

NEW QUESTION # 131
......

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