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

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

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Question 1

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:

A.

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

B.

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

C.

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

D.

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

Question 2

Which statement about the Cisco Webex hybrid service is true?

Options:

A.

Expressway Connector is required for an on-premises Exchange server.

B.

Hybrid Message service works only with Jabber cloud deployment.

C.

Directory Connector is required for Azure AD.

D.

Directory Connector must be deployed for OBTP to work with on-premises video devices.

Question 3

Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message:

XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) Connection refused"

Which is the cause of this issue?

Options:

A.

Rich Media Session licenses are not activated on Expressway-E.

B.

Expressway-E is listening on the wrong IP interface.

C.

The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.

D.

The XCP Service is not activated on Expressway-E.

Question 4

Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

Options:

A.

Voice calls use Webex Calling platform for call control and use hybrid media nodes for local conferencing.

B.

Voice calls use local media nodes to keep traffic internal for internal traffic and use Webex Calling for external calls.

C.

Voice call use Cisco Unified Communications Manager for local calls and Webex Calling for external calls.

D.

Voice calls use local Cisco Unified Communications Manager for all calls.

Question 5

Refer to the exhibit.

Which description of the transformation is true?

Options:

A.

It converts 4123@exp-name.exp.domain: to 4123@exp.domain

B.

It changes all patterns that begin with 4123@exp-name.exp.domain: to 1@exp.domain

C.

It changes 413@exp-name.exp.domain: to 413@exp.domain

D.

It converts 4.3@exp-name.exp.domain: to 1@exp.domain

Question 6

Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?

Options:

A.

connection

B.

name

C.

version

D.

bandwidth

Question 7

Which two considerations must be made when using Expressway media traversal? (Choose two.)

Options:

A.

It is possible to NAT both Expressway-E interfaces

B.

The Unified Communications traversal zone should be used for MRA

C.

The Expressway-E must be put in a firewall DMZ segment

D.

Expressway Control is the traversal server installed in the DMZ

E.

Cisco UCM zone should be either traversal server or client

Question 8

An Expressway-E is configured using a single NIC with NAT.

How must the Expressway-C traversal client zone be configured to connect to the Expressway-E?

Options:

A.

TLS verify must be enabled.

B.

The zone profile must be set to default.

C.

The peer address must be the Expressway-E NAT address.

D.

The peer address must be the Expressway-E LAN 1 IP address.

Question 9

Which two items are configured when deploying a B2B collaboration solution? (Choose two.)

Options:

A.

SIP trunk between Cisco Unified Communications Manager and Cisco Expressway-C

B.

search rules in Cisco Expressway-E

C.

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

D.

traversal client on a Cisco Expressway-E

E.

DNS zone on a Cisco Expressway-C

Question 10

Which two licenses are required for the Expressway B2B feature to work? (Choose two)

Options:

A.

Traversal Server

B.

Advanced Networking

C.

Device Provisioning

D.

Rich Media Sessions

E.

TURN Relays

Question 11

Which connection does the traversal zone configuration define?

Options:

A.

Expressway-E and Collaboration Endpoints

B.

Cisco UC and Cisco Unified Presence Server

C.

Cisco Expressway-C and Cisco Expressway-E platforms

D.

Cisco UCS E-Series and Cisco UCM

Question 12

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?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 13

When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions?

Options:

A.

transforms, CPL, user policy, search rules

B.

search rules, zones, local zones

C.

DNS zone, local zone, search rules

D.

search rules, transforms

Question 14

What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

Options:

A.

1024

B.

2048

C.

4096

D.

8192

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