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Cisco 300-820 Online Practice Questions and Exam Preparation

300-820 Exam Details

  • Exam Code
    :300-820
  • Exam Name
    :Implementing Cisco Collaboration Cloud and Edge Solutions (CLCEI)
  • Certification
    :CCNP Collaboration
  • Vendor
    :Cisco
  • Total Questions
    :210 Q&As
  • Last Updated
    :May 30, 2026

Cisco 300-820 Online Questions & Answers

  • Question 131:

    What is a description of an Interactive Connectivity Establishment?

    A. It is used by B2BUA to keep the firewall ports opened for inbound/outbound calls.
    B. It allows Mobile and Remote Access endpoints to connect video calls signaling peer-to-peer.
    C. It allows calling external endpoints with reduced overhead under VPN connections.
    D. It is used to find the best media path between network elements in traversal calls.

  • Question 132:

    Refer to the exhibit.

    A company has a Cisco collaboration infrastructure that contains Cisco UCM and Cisco Expressway-C and Expressway-E for Mobile and Remote Access.

    When the engineer sets up the environment to support B2B calling, they discover that the zone stale between Expressway-C and Cisco UCM failed.

    What must the STEP Trunk Security Profile setting be changed to in Cisco UCM to resolve the issue?

    A. UDP for the outgoing transport type
    B. value other than the default listening port for outgoing SIP connections on Cisco UCM
    C. value other than the default listening port for incoming SIP connections on Cisco UCM
    D. TCP for the incoming transport type

  • Question 133:

    Which statement about scheduling Expressway backups is true?

    A. It is not supported on the application.
    B. It is allowed from the application CLI of the Expressway only.
    C. It is allowed from the application CLI and GUI of the Expressway.
    D. It is allowed from the application GUI of the Expressway only.

  • Question 134:

    Which statement correctly describes links and pipes in Cisco Expressway?

    A. A maximum of one pipe can be applied to a link.
    B. A call between two endpoints in the same subzone or zone fails if there is no pipe between the endpoints.
    C. A call between two endpoints in the same subzone or zone fails if there is no link between the endpoints.
    D. The lower bandwidth restriction is applied to calls over a link that is associated to two pipes.

  • Question 135:

    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 cloud
    C. to the switching services D. to the call control environment (Unified CM or Expressway)

  • Question 136:

    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. Configure the Expressway-C Traversal Client zone transport protocol with TCP.
    C. Add a server certificate to the Expressway-C that is signed by a certificate authority.
    D. Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.

  • Question 137:

    Which connection does the traversal zone configuration define?

    A. Expressway-E and Collaboration Endpoints
    B. Cisco UC and Cisco Unified Presence Server
    C. Cisco Expressway-C and Cisco Expressway-E platforms
    D. Cisco UCS E-Series and Cisco UCM

  • Question 138:

    How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

    A. RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.
    B. When the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.
    C. RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.
    D. When the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

  • Question 139:

    An engineer is deploying Mobile and Remote Access to allow external Cisco Jabber users to sign into a Cisco UCM cluster via Cisco Expressways. The users will sign-in in the format [email protected]. Contact photos for Jabber are hosted on a webserver with the FQDN of phonebook cisco.com. Which configuration must be completed to allow external Jabber users to see contact photos?

    A. An HTTP allow list entry must be made on the Expressway-E for phonebook cisco.com.
    B. A SIP allow list entry must be made on the Expressway-E for .*@cisco.com.
    C. An HTTP allow list entry must be made on the Expressway-C for phonebook cisco.com.
    D. A SIP allow list entry must be made on the Expressway-C for .*@cisco.com.

  • Question 140:

    An engineer attempts to upload a server certificate to an Expressway-C server but receives an error when they click the upload button that says that the file is invalid. The engineer is advised that this happens because the certificate was signed incorrectly and is missing an attribute. What must the engineer do to upload the certificate?

    A. Create a certificate request via Certificate Services Web Page and ensure that the certificate validity period is five years because the Expressway server validates this during certificate import.
    B. Create a certificate request via the Certificate Services Web Page and ensure that the Subject Common Name field contains the server FQDN and all Cisco Unified CM phone security profile names.
    C. Create a new certificate template with "Server authentication" and "Client authentication" enabled and use this template when signing the Expressway server certificate.
    D. Create a new certificate template with the certificate attribute "Allow private key to be exported" enabled and use this template when signing the Expressway server certificate.

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