Download Implementing Cisco Collaboration Cloud and Edge Solutions.300-820.ExamTopics.2026-04-03.199q.tqb

Vendor: Cisco
Exam Code: 300-820
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions
Date: Apr 03, 2026
File Size: 7 MB
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Demo Questions

Question 1
An engineer noticed that internal participants using Full HD endpoints are joining meetings hosted in the Video Mesh node. The quality of the calls is 720p. What must the engineer configure to support 1080p quality?
  1. Set the “Enhanced Layout Experience” within the Video Mesh settings in Cisco Webex Control Hub to 1080P HD video.
  2. Set the “Received Video Resolution” on the Video Mesh node to maximum.
  3. Turn on the “Enable 1080P HD video for all participants hosted on on-premises Video Mesh nodes” setting in the Cisco Webex Control Hub.
  4. Turn on the “Highest Detail, Best Motion: 1080P” setting in the Cisco Webex Control Hub.
Correct answer: C
Question 2
Refer to the exhibit. An administrator set up a B2B interop with a business partner running a Microsoft Lync environment and can successfully make outbound video calls to [email protected]. Inbound calls to [email protected], however, are failing. A quick SRV search returns the records in the exhibit. Which record must be modified to resolve this challenge?
  1. _h323ls._udp.ciscovoice.com
  2. _sipfederationtcp._tcp.ciscovoice.com
  3. _sips._tcp.ciscovoice.com
  4. _collab-edge._tls.ciscovoice.com
Correct answer: B
Question 3
Refer to the exhibit. A collaboration engineer creates a transform to modify [email protected]:to [email protected]. Which pattern behavior setting accomplishes this task? 
  1. replace
  2. strip
  3. add prefix
  4. add suffix
Correct answer: A
Question 4
What is the benefit of configuring ICE, TURN and STUN in a Cisco Unified Collaboration environment?
  1. The ICE protocol enables the use of MRA for Cisco endpoints to register behind the firewall.
  2. The endpoints use fewer ports to minimize the port range and allows for multiple connections in a high-density deployment.
  3. It can traverse firewalls without opening incoming ports.
  4. The endpoints discover paths to optimize media flow and allows for peer-to-peer media traffic in some cases.
Correct answer: D
Question 5
Which set of actions configures ACME certificates on Expressways?
  1. Configure ACME Certificate settings on your Expressway-E, and change the ACME automated scheduler field to ON.
  2. Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to OFF.
  3. Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to ON.
  4. Configure ACME Certificate settings on your Expressway-E, disable the Expressway cluster, and change the ACME automated scheduler field to OFF.
Correct answer: A
Question 6
A company decided to gradually move to the Cisco Webex Cloud from a Cisco on-premises solution. One step is to configure a Cisco Hybrid Services connector. Where must an engineer make this configuration?
  1. Deploy the Cisco Hybrid Services connector, which is an on-premises node, to allow for multiple Cisco collaboration environments to connect to Cisco Webex.
  2. Configure Hybrid Service in the Cisco Expressway-E in the DMZ to connect to the Cisco Webex Cloud.
  3. Configure Hybrid Services in Cisco Webex Control Hub in the Cisco Webex Cloud to enable Hybrid Services.
  4. Enable the Hybrid Services service on the Cisco UCM to allow the on-premises call control to establish a hybrid link to the Cisco Webex Cloud.
Correct answer: C
Question 7
Employees at company A must call employees at company B in an extension range of [email protected]. Both companies have a Cisco collaboration infrastructure. All required zones are configured in Cisco Expressways at company A. What must be configured on the Expressway at company A to enable outbound B2B calls?
  1. search rule with a regex pattern of [4]\d{3}@companyB\.com that targets the DNS zone
  2. search rule with a suffix pattern of *[email protected] that targets the neighbor zone
  3. call policy rule from the DNS zone to allow a destination pattern of 4[1-9]@companyB.com
  4. call policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com
Correct answer: B
Question 8
Refer to the exhibit. The neighbor zone to Cisco UCM fails to come up when TLS verify mode is enabled on the Expressway-C for B2B traffic. Which Issue correctly describes the cause of the error?
  1. The certificate has a key length of 8192 bits.
  2. TLS verify mode is enabled on the neighbor zone.
  3. Subject Alternative Name fields are longer than 999 characters.
  4. The neighbor system FQDN is missing from Subject Alternative Name attributes of the certificate.
Correct answer: D
Question 9
Users in the Cisco Webex collaboration environment want to be able to use @webex when scheduling a Webex meeting from their Outlook client connected to Office365. Which configuration meets this requirement?
  1. Add an O365 tenant in the admin pages of Webex as a Microsoft 385 Global administrator.
  2. Add the Webex domain in the calendar integration services in the admin interface for Microsoft Exchange Online.
  3. Enable user onboarding for each user in the Webex admin interface. Each user will then authorize Webex to read only their calendar in a secure manner.
  4. Add an O365 tenant in the admin pages of Webex as a Webex site administrator.
Correct answer: B
Question 10
A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C server and are then routed to a 10-digit PSTN number. What must be configured to limit incoming Expressway calls to the internal Cisco UCM range of extensions 5XXXX?
  1. calling search space that contains all the partitions on the Unified Communications Manager SIP trunk to Expressway
  2. call policy rule from the DNS zone to allow a destination regex pattern of \d.*@abc.com
  3. unique search rule with a regex pattern of [5]\d{4}@abc.com that targets the neighbor zone
  4. call policy rule from the DNS zone to allow a destination regex pattern of .*@abc.com
Correct answer: C
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