Cisco 300-820 Practice Exams
Last updated on Oct 22,2026- Exam Code: 300-820
- Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (CLCEI)
- Certification Provider: Cisco
- Latest update: Oct 22,2026
An engineer must configure the zone to connect to an Expressway-E using Single NIC with NAT. The internal IP address is 192.168.10.63, and the NAT address is 203.0.113.5.
What must the engineer configure on the Expressway-C to meet this requirement?
- A . traversal zone with the peer address 192.168.10.63
- B . neighbor zone with the peer address 192.168.10.63
- C . traversal zone with the peer address of 203.0.113.5
- D . neighbor zone with the peer address of 203.0.113.5
Refer to the exhibit.

Logins are failing via Mobile and Remote Access.
How is this resolved?
- A . No Cisco UCM servers are configured in the Expressway-C. Servers must be added for Call Manager and IM and Presence services.
- B . SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.
- C . Although a traversal client zone exists, there is no UC traversal client zone. One must be created.
- D . Mobile and Remote Access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.
An administrator deployed the directory connector to synchronize the on-premises Active Directory with the Webex cloud and needs to map attributes from the AD to the corresponding attributes in the cloud.
To which Webex cloud attribute must the user Account Control attribute be mapped to ensure that users are synced properly?
- A . givenName
- B . ds-pwp-account-disabled
- C . SipAddresses:type=enterprise
- D . displayName
Cisco Expressways are being deployed for Mobile and Remote Access. The Expressway-E internal interface (LAN1) IP is 192.168.100.10/24, and the external interface (LAN2) IP is 172.16.100.10/24.
The Expressway-C IP is 192.168.20.10/24. The default gateway for each subnet is the first useable address.
How must the Expressway-E be configured to allow proper routing to the internal and external networks?
- A . IPv4 gateway: 172.16.100.1, and a static route for the 192.168.100.0/24 subnet using LAN1
- B . IPv4 gateway: 192.168.100.1, and a static route for the 192.168.20.0/24 subnet using LAN1
- C . IPv4 gateway: 192.168.100.1, and a static route for the 172.16.100.0/24 subnet using LAN2
- D . IP v4 gateway: 172.16.100.1, and a static route for the 192.168.20.0/24 subnet using LAN1
An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.
Which is an available proxy type in the Video Mesh node configuration to support this deployment model?
- A . Transparent Explicit Proxy
- B . Transparent Inspecting Proxy
- C . Reverse Proxy
- D . Distorting Proxy
Which step is taken when configuring a Cisco Expressway solution?
- A . Configure the Expressway-E by using a non-traversal server zone.
- B . Enable static NAT on the Expressway-E only.
- C . Disable H.323 mode on the Expressway-E.
- D . Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.
An Expressway pairs deployed for Mobile and Remote Access. An administrator installs a new server certificate on the Expressway-E. After installing the new certificate, the UC Traversal zone between Expressway-C and Expressway-E is active. Still, Jabber Mobile and Remote Access clients cannot log in over the Expressway. The certificate Common Name is the FQDN of Expressway-E, “expe01 example.com”, and the certificate contains no additional names.
Which Subject Alternate Name must be added to the certificate to allow Jabber Mobile and Remote Access clients to log in successfully?
- A . FQDN of the Expressway-C, “expc01.example.local”
- B . registration domain, “example.com” or “collab-edge.example.com”
- C . Cisco UCM cluster FQDN, “cucmcluster.example.local”
- D . FQDN of the Expressway-E, “expe01.example.com”
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?
- A . Create user accounts in Cisco Webex Control Hub only.
- B . Create user accounts in Cisco Unified Communications Manager only.
- C . Create user accounts in Cisco Unified IM and Presence.
- D . Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.
An organization wants to be able to call IP addresses and URI addresses. An engineer must configure Cisco Expressways to manage this request from the endpoints in the organization.
How would the engineer configure the Expressways to allow these calls to be completed to external IP addresses?
- A . Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E
- B . Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E
- C . Use search rules to manage calls to IP addresses, and the direct/indirect setting on the Expressway is used as a fallback only if the search rules do not exist
- D . Set calls to unknown IP addresses to indirect on the Expressway-C and direct on the Expressway-E, and add a search rule on the Expressway-E
Refer to the exhibit.

What is the result of a transformation applied to alias 88514?
- A . [email protected]
- B . 88513@ccnpcollab com
- C . [email protected]
- D . [email protected]