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Cisco 300-820 - Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)

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Total 207 questions

How are Cisco Webex Video Mesh deployments supported?

A.

Video Mesh Dual NIC are supported in demilitarized deployments.

B.

Mixed Single NIC and Dual NIC are supported in the same data center deployments.

C.

Clustering Video Mesh Nodes over the WAN are supported if Round Trip Time is low.

D.

IPv6 and IPv4 deployments are supported for Video Mesh clusters.

What is the purpose of Webex Cloud-Connected UC?

A.

It is a Cisco UCM deployed in the Webex cloud for feature parity when moving to cloud.

B.

It is a hybrid calling setup with an on-premises Cisco UCM and a Webex based Cisco UCM to benefit from both critical on-prem and flexible cloud deployments.

C.

Get the benefits of centralized cloud-based analytics and troubleshooting while keeping critical calling on-premises.

D.

It is a migration path tor moving from on-premises UC to Webex in a step by step plan.

Employees at company A must call employees at company B in an extension range of 4XXX@companyB.com. 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?

A.

search rule with a regex pattern of [4]\d{3}@companyB\.com that targets the DNS zone

B.

search rule with a suffix pattern of *.@companyB.com that targets the neighbor zone

C.

call policy rule from the DNS zone to allow a destination pattern of 4[1-9]@companyB.com

D.

call policy rule from the neighbor zone to allow a destination pattern of 4[1-9]@companyB.com

Refer to the exhibit. A collaboration engineer creates an allow list test file for a Mobile and Remote Access deployment. Which lines are needed to format the test in the file correctly?

A.

https://myServer:8443/myPath.block, “my deployment”, “a block test”, GET

B.

“my deployment”, block, GET https://myServer:8443/myPath, “a block test”

C.

a block test:https:8443:GET “myServer/myPath”:my deployment:block

D.

a block test,https:8443,GET “myServer/myPath”,my deployment:block

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.

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.

Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

A.

When Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.

B.

Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.

C.

The cascading traffic between VMN must bypass the firewall.

D.

When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.

E.

A VMN can terminate a media connection while operating in maintenance mode.

Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

A.

Requesting for permission from the firewall

B.

Using an existing keep-alive connection opened by the client

C.

Opening an outbound connection directly to the client through the firewall

D.

Opening an inbound connection directly to the client through the firewall

A company has a single Expressway-E that exhibits high resource utilization. An engineer checks the logs and finds numerous fraudulent attempts from sip:200@cisco.com. Where must the engineer go to configure a call policy rule and block the desired URI?

A.

Call History Configuration > Call Policy > Rules

B.

Configuration > Call History > Policy > Rules

C.

Configuration > Call Policy > Rules

D.

Configuration > Policy > Inbound > Rules

For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?

A.

Expressway-C server certificate

B.

Cisco Unified Communications Manager server certificate

C.

Expressway-E server certificate

D.

Expressway-C and Expressway-E server certificate