300-820 Premium Exam Questions

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

Question 41

Which two internal SIP endpoints behind a firewall place calls to external devices? (Choose two.)

Options:

An Expressway-C communicates with the internal endpoint and forwards the media to and from an Expressway-E.

A Cisco Endpoint is configured with a publicly routable static NAT SIP address to advertise instead of is private IP address.

An Expressway-C communicates directly with the remote party using the ICE protocol

An Expressway-E is used as a VPN server to allow remote SIP edge servers to connect calls

An Expressway-C rewrites the SIP SDP to advertise its own IP address to the external party.

Question 42

Refer to the exhibit. When Expressway-E routes a call with URI 4040@uclab.local to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?

Options:

10.20.20.20

10.10.10.10

10.40.40.40

10.30.30.30

Question 43

A call is sent by Cisco UCM to Expressway with a URI of 75080001@expc1a.pod8.test.lab. If (7508…)

@expc1a\.pod8\.test\.lab.* is the pattern string, what would be the replacement string of the transform in Expressway to re-write the call so that it becomes 75080001@conf.pod8.test.lab?

Options:

\1@conf\.pod8.test.lab.@

\1@conf\.pod8\.test\lab.*

\1@conf.pod8\.test\.lab

\1@conf\.pod8\.test.lab.!

Question 44

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

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Microsoft

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