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

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Questions # 1:

When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either.

What is TraversalZone missing that causes this issue?

Options:

link to the DefaultZone

pipe to the DefaultZone

SIP trunk to the DefaultZone

route pattern to the DefaultZone

Answer

Questions # 2:

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

Answer

Questions # 3:

Question # 3

Refer to the exhibit. A manager asks an engineer to create a CSV file for the HTTP allow list on the Expressway deployment. The engineer wrote the script shown and uploaded it to the Expressway, but it is not being accepted. Which action resolves the issue?

Options:

Add the command POST at the end on this line “http://myServer4/myPath4,block,,,POST”.

Remove the Method “PUT” from “http://myServer2:8000/myPath2,allow “my deployment”, “an allow test”, PUT”.

Remove the line “https://myServer4/myPath4,allow,,,GET”.

Nothing is wrong, but the file type is most likely not XML.

Answer

Questions # 4:

Question # 4

Refer to the exhibit. When users sign in to Cisco Jabber through Mobile and Remote Access, they cannot see their own photo or the photo of their contacts next to each name. Which action must be taken in Cisco Expressway-C to resolve the issue?

Options:

Add an HTTP allow list for the Instant Message and Presence server.

Add an allow call policy rule from the Cisco UCM traversal zone.

Upload the missing Instant Messaging and Presence server certificate to fix the connection to its server.

Add an HTTP allow list for the web server that contains the photos.

Answer

Questions # 5:

What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?

Options:

You must have the Intercluster Sync Agent working across your IM and Presence clusters.

You must have the Intercluster Lookup Service working across all of your IM and Presence clusters.

Your IM and Presence Service clusters must have Multiple Device Messaging disabled.

AXL service should be activated only on the publisher of each IM and Presence cluster.

Answer

Questions # 6:

Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?

Options:

Add the Jabber user to Cisco Unity Connection.

Add the Jabber user to Expressway-E.

Add the Jabber user to Expressway-C.

Add Jabber Users to the Cisco Webex Administration Tool.

Answer

Questions # 7:

An engineer is investigating failing incoming calls that are expected to connect. The engineer notices that the failed calls all have a port number of 5060 at the end of the URI. The search rules are configured in a way that they do not expect a port to be included. Which configuration allows the routing of this call?

Options:

* transform with a pattern string of *(.*)@example.com(:5060)?"

* replace a string of \1@example.com

* search rule with a pattern string of “(.*)@example.com(:5060)?"

* replace a string of \1\2@example com

search rule with a pattern string of “(.*)@example.com(:5060)?"

* replace a string of \1@example.com\2

* transform with a pattern string of “(.*)@example.com(:5060)?"

* replace a string of \1@example.com\2

Answer

Questions # 8:

Which mode should be used when Call Policy is configured on Expressways?

Options:

extended CPL

local CPL, policy service, and off

remote CPL

Answer

Questions # 9:

Question # 9

Refer to the exhibit. A collaboration engineer creates an allow list test file for a Mobile and Remote Access deployment. Which lines are needed to format the test in the file correctly?

Options:

https://myServer:8443/myPath.block, “my deployment”, “a block test”, GET

“my deployment”, block, GET https://myServer:8443/myPath, “a block test”

a block test:https:8443:GET “myServer/myPath”:my deployment:block

a block test,https:8443,GET “myServer/myPath”,my deployment:block

Answer

Questions # 10:

Cisco Collaboration deployment has video endpoints that can do B2B calls over the internet, but they also can make audio calls through a gateway. This ability means that someone from the internet can make fraud calls through the system. Which action must an engineer take to set up the search rules for calls that are being headed to the PSTN gateway?