Cisco

300-820

Implementing Cisco Collaboration Cloud and Edge Solutions

https://killexams.com/pass4sure/exam-detail/300-820

Question: 72

Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as [email protected] and receives the error ”Cannot find your services Automatically”. The engineer tries to resolve SRV records used by Jabber

DNS A record “expressway-e.example.com” points to the Expressway-E IP and “cucmexample.com” points to the Cisco Unified Communications Manager.

Which change resolves the DNS problem?

A . Change the collab-edge record to point to 5061

B . Remove the cisco-uds SRV record for the external DNS C . Change cisco-uds to point to the Expressway-E FQDN D . Change the priority of the SRV record for cisco-uds

Answer: D

Question: 73

Which statement about the Cisco Webex hybrid service is true?

A . Directory Connector must be deployed for OBTP to work with on-premises video devices. B . Directory Connector is required for Azure AD

C . Expressway Connector is required for an on-premises Exchange server. D . Hybrid Message service works only with Jabber cloud deployment

Answer: C

Question: 74

With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)

A . From VMN to CUCM SIP endpoints, the source UDP ports from 52500 to 62999 is used for audio traffic. B . From VMN to Webex Teams clients, the source UDP port 5004 is used for video traffic

C . From VMN to video endpoints, the destination UDP port 5004 is used for audio traffic D . From VMN to Webex cloud, the destination UDP port 9000 is used for video traffic. E . From Webex cloud to V MN, the source UDP port 9000 is used for audio traffic

Answer: AC

Question: 75

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verify subject name must be configured on the Expressway-EUC traveral zone?

A . Expressway-E Cluster Name B . Expressway-C Cluster Name

C . Cisco Unified Communications Manager Publisher FQDN D . Webex CUSP Cluster Name

Answer: B

Question: 76

A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network. Which statement is true?

A . Installing Video Mesh Node in the DMZ requires the external few all to allow UDP traffic from ANY port to the

address of the Video Mesh Nodes via port 5004

B . Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients. A DMZ node is added for extra security

C . Webex Cloud supports either a DMZ-based Mesh Node for security or an internal based Mesh Node for media control only

D . Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality

Answer: B

Question: 77

Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments? A . traversal zone

B . DNS zone

C . neighbor zone

D . Unified Communications traversal zone

Answer: A

Question: 78

Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.) A . A VMN can terminate a media connection while operating in maintenance mode B . The cascading traffic between VMN must bypass the firewall.

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

D . When Cisco Unified Communications Manager works with multiple VM Ns, Cisco Unified CM decides which V MN is used for signaling connection

E . Cloud-registered devices choose a VMN cluster based on the lowest STUN roundtrip delay

Answer: CE

Question: 79

When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions? A . transforms, CPL, user policy, search rules

B . search rules, transforms

C . search rules, zones, local zones

D . DNS zone, local zone, search rules

Answer: B

Question: 80

Which two items are configured when deploying a B2B collaboration solution? (Choose two) A . DNS zone on a Cisco Expressway-C

B . SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C C . search rules in Cisco Expressway-E

D . traversal client on a Cisco Expressway-E

E . SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-E

Answer: CE

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