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

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

Question 1

Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C. An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing “TLS negotiation failure”. What is causing this issue?

Options:

A.

The Expressway-E certificate includes the Expressway-C FQDN as a SAN entry

B.

The Expressway-C is missing the FQDN of Cisco UCM in the Common Name of its certificate

C.

In the UC Traversal Zone on the Expressway-C, the peer address is set to the IP of the Expressway-E,

which is not a SAN entry in the Expressway-E certificate

D.

The Expressway-E does not have the FQDN of Cisco UCM listed as a SAN in its certificate

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Question 2

Refer to the exhibit.

The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 3

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?

Options:

A.

calling search space that contains all the partitions on the Unified Communications Manager SIP trunk to Expressway

B.

call policy rule from the DNS zone to allow a destination regex pattern of \d.*@abc.com

C.

unique search rule with a regex pattern of [5]\d{4}@abc.com that targets the neighbor zone

D.

call policy rule from the DNS zone to allow a destination regex pattern of .*@abc.com