Cisco 300-820 Practice Exam Dumps 2025

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:

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

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

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

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

Question 3

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?

Options:

Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E

Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E

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

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

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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

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