Summer Special Limited Time 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: cramtreat

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

Questions 4

Refer to the exhibit. The web server is set up to store contact photos and the Cisco Jabber-config.xml file is updated for all clients. After these changes, Jabber for Windows users cannot view the contact photos when they are connected via Mobile and Remote Access. Which action resolves the issue?

Options:

A.

Update the “PhotoUriWithToken’ entry to “Https”.

B.

Update the contact photos to “png”.

C.

Add the web-server address within the HTTP server allow list on the Expressway-C.

D.

Add the web-server address within the HTTP server allow list on the Expressway-E.

Buy Now
Questions 5

Refer to the exhibit.

In an environment SIP devices are registered to CUCM and H.323 devices to VCS. What would be required to enable these calls to setup correctly?

Options:

A.

Create a presearch transform.

B.

Change the domain of SIP endpoint A to cisco.com.

C.

Disable SIP in the external zone.

D.

Change the interworking mode to On.

Buy Now
Questions 6

An engineer is configuring Cisco Expressway-E and needs to implement toll fraud prevention. Which configuration meets this requirement?

Options:

A.

Enable SIP ALG inspection on the network address translation firewall.

B.

Enable and configure local call policy.

C.

Enable and configure the Expressway-E firewall.

D.

Configure the external firewall to block specific IPs.

Buy Now
Questions 7

What is the name of the Webex core service that delivers group messaging, one-to-one messaging, presence, and file sharing?

Options:

A.

Cisco Webex Messaging

B.

Cisco Webex App

C.

Cisco Webex ONE

D.

Cisco Jabber Online

Buy Now
Questions 8

What is the last step for domain management in Cisco Webex Control Hub if an engineer adds users already signed in with the company domain?

Options:

A.

Publish a domain.

B.

Add a domain.

C.

Verify a domain.

D.

Claim a domain.

Buy Now
Questions 9

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

Buy Now
Questions 10

What is the default DSCP value for video traffic that is routed through an Expressway server?

Options:

A.

36

B.

24

C.

0

D.

24

Buy Now
Questions 11

Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

Options:

A.

When Expressway Core works with VMN clusters, Expressway Core decides which VMN is used for signaling/media connection.

B.

Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip delay.

C.

The cascading traffic between VMN must bypass the firewall.

D.

When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified CM decides which VMN is used for signaling connection.

E.

A VMN can terminate a media connection while operating in maintenance mode.

Buy Now
Questions 12

Which two protocols are supported on Expressway Zones? (Choose two.)

Options:

A.

SIP

B.

H.248

C.

MGCP

D.

SCCP

E.

H.323

Buy Now
Questions 13

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

Options:

A.

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

B.

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

C.

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

D.

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

Buy Now
Questions 14

Refer to the exhibit.

An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9.

Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?

Options:

A.

Traversal Zone

B.

Any

C.

Neighbor Zone

D.

All

Buy Now
Questions 15

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

Buy Now
Questions 16

How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

Options:

A.

RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.

B.

When the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.

C.

RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.

D.

When the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

Buy Now
Questions 17

What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

Options:

A.

ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.

B.

ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.

C.

ICE uses FAST updates to optimize the video quality in case of packet loss. This technology is available only from Cisco Unified CM version 11.5 and later.

D.

ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.

Buy Now
Questions 18

An administrator is enabling Mobile and Remote Access login for the Cisco UCM registration domain cisco.com. Phones are registered with a Cisco UCM phone security profile name of securephone.cisco.com. Which two subject alternative names must be configured? (Choose two.)

Options:

A.

Securephone.cisco.com on the CallManager certificate

B.

cisco.com on the Expressway-C certificate

C.

Securephone.cisco.com on the Expressway-E certificate

D.

cisco.com on the Expressway-E certificate

E.

Securephone.cisco.com on the Expressway-C certificate

Buy Now
Questions 19

Refer to the exhibit.

Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.

What happens to the participant's call?

Options:

A.

Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.

B.

The call is queued.

C.

The call fails.

D.

Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.

Buy Now
Questions 20

An administrator has been tasked to bulk entitle 200 existing users and ensure all future users are

automatically configured for the Webex Hybrid Calendar Service. Which two options should be used to configure these users? (Choose two.)

Options:

A.

Export a CSV list of users in the Cisco Webex Control Hub, set the Hybrid Calendar Service to TRUE for users to be enabled, then import the file back to Manage Users menu in the Cisco Webex Control Hub.

B.

Set up an Auto-Assign template that enables Hybrid Calendar.

C.

Select the Hybrid Services settings card in the Cisco Webex Control Hub and import a User Status report that contains only users to be enabled.

D.

On the Users tab in the Cisco Webex Control Hub, check the box next to each user who should be enabled, then click the toggle for the Hybrid Calendar service to turn it on.

E.

From Cisco Webex Control Hub, verify the domain that your Hybrid Calendar users will use, which

automatically activates them for the service.

Buy Now
Questions 21

An Expressway pairs deployed for Mobile and Remote Access. An administrator installs a new server certificate on the Expressway-E. After installing the new certificate, the UC Traversal zone between Expressway-C and Expressway-E is active. Still, Jabber Mobile and Remote Access clients cannot log in over the Expressway. The certificate Common Name is the FQDN of Expressway-E, “expe01 example.com”, and the certificate contains no additional names. Which Subject Alternate Name must be added to the certificate to allow Jabber Mobile and Remote Access clients to log in successfully?

Options:

A.

FQDN of the Expressway-C, “expc01.example.local”

B.

registration domain, “example.com” or “collab-edge.example.com”

C.

Cisco UCM cluster FQDN, “cucmcluster.example.local”

D.

FQDN of the Expressway-E, “expe01.example.com”

Buy Now
Questions 22

Refer to the exhibit. A company has a Cisco collaboration infrastructure that contains Cisco UCM and Cisco Expressway-C and Expressway-E for Mobile and Remote Access. When the engineer sets up the environment to support B2B calling, they discover that the zone stale between Expressway-C and Cisco UCM failed. What must the STEP Trunk Security Profile setting be changed to in Cisco UCM to resolve the issue?

Options:

A.

UDP for the outgoing transport type

B.

value other than the default listening port for outgoing SIP connections on Cisco UCM

C.

value other than the default listening port for incoming SIP connections on Cisco UCM

D.

TCP for the incoming transport type

Buy Now
Questions 23

A Webex engineer is configuring SSO in Control Hub with Active Directory Federation Services. The engineer wants to authenticate users for all the applications that they are given rights to. The engineer also wants to eliminate further prompts when users switch applications during a particular session. Which action tells ADFS the fields to map to Webex to identify a user?

Options:

A.

Send LDAP attributes as claims.

B.

Create claim rules for Webex authentication

C.

Add a relving party trust to the ADFS.

D.

Map the E-mail-addresses LDAP attribute to the uid outgoing claim type.

Buy Now
Questions 24

Refer to the exhibit. Call policy rules on an Expressway-E prevent external callers from the internet from calling a VIP whose URI is vip@cisco.com. Which additional configuration setting is required for this call policy to function as intended?

Options:

A.

The default zone on the Expressway-E must not be configured to treat as authenticated.

B.

A search rule must be configured with an extract match forvip^cisco.com to pass the call to the Expressway-C.

C.

The Cisco TelePresence endpoint registered with the URI vip@cisco.com must be set in *do not disturb" mode.

D.

SIP TLS must be disabled on the Expressway-E.

Buy Now
Questions 25

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

Buy Now
Questions 26

Refer to the exhibit.

What is the result of a transformation applied to alias 88514?

Options:

A.

98851@ccnpcollab.com

B.

88513@ccnpcollab com

C.

88514@ccnpcollab.com

D.

88515@ccnpcollab.com

Buy Now
Questions 27

Which protocol should be used to verify the connectivity for different media paths found during a call using ICE?

Options:

A.

STUN

B.

RTP

C.

SNMP

D.

TURN

Buy Now
Questions 28

A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.

What must be set up to enable this requirement?

Options:

A.

Cisco Unified Border Element and Cisco ASA Firewall

B.

Cisco Unified Border Element and Cisco Firepower Firewall

C.

Cisco Expressway-C and Cisco Expressway-E

D.

Cisco Expressway-C and Cisco Unified Border Element

Buy Now
Questions 29

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

Buy Now
Questions 30

An engineer must review a new traversal zone that is not establishing a successful connection between Expressway-C and Expressway-E. When the event log page on the Expressway-E is reviewed, an authentication failure is found with the detail “user not found”. Which two actions must the engineer take to resolve the issue? (Choose two.)

Options:

A.

Disable TLS verification on the Expressway-E.

B.

Ensure that the authentication credentials configured on both zones to match.

C.

Ensure that LDAP is properly configured and synchronized on the Expressway-E.

D.

Ensure that the authentication credentials exist on the Expressway-E local database.

E.

Ensure that the authentication credentials exist on the Expressway-C local database.

Buy Now
Questions 31

Refer to the exhibit.

Mobile and remote access is being added to an existing B2B deployment and is failing.

When the administrator looks at the alarms on the Expressway-C, the snippets are shown. Which configuration action should the administrator take to fix this issue?

Options:

A.

The listening port on the Expressway-C for SIP TCP must be changed to a value other than 5060

B.

The listening port on the Expressway-C for SIP TLS must be changed to a value other than 5061

C.

The listening port on the Cisco UCM for the Expressway-C SIP trunk must be changed to something other than 5060 or 5061

D.

The listening port on the Cisco UCM for the Expressway-C SIP trunk is set to something other than 5060 or 5061. It must be set to 5060 for insecure and 5061 for secure SIP

Buy Now
Questions 32

What is configured on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

Options:

A.

Application layer gateway is enabled to bridge the media traffic.

B.

A static NAT route is added to the firewall to bridge the two networks.

C.

The Expressway-E is enabled for Dual-NIC capability.

D.

The Expressway-E is enabled for interworking

Buy Now
Questions 33

A collaboration engineer is configuring Cisco Webex Edge for video conferencing devices to provide support for Cisco Webex Control Hub configuration management. Which configuration control mode must be set on Cisco UCM for Control Hub to manage the on-premises device configuration?

Options:

A.

Webex Edge only

B.

endpoint only

C.

Cisco UCM and endpoint

D.

Cisco UCM only

Buy Now
Questions 34

An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?

Options:

A.

SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443

B.

SRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061

C.

SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443

D.

SRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061

Buy Now
Questions 35

A new set of Expressway-C and Expressway-E is deployed and was configured for Mobile and Remote Access with basic settings. How must the engineer edit the inbound allow list rule?

Options:

A.

Go to Configuration > Unified Communications > HTTP allow list > Editable inbound rules to view.

B.

Go to Configuration > MRA > HTTP allow rules > Editable inbound rules to view, create, modify, or delete HTTP allow list rules.

C.

Go to Configuration > MRA > Editable Inbound rules to view, create, modify, or delete HTTP allow list rules.

D.

Go to Configuration > Unified Communications > MRA > HTTP allow list > Editable inbound rules to view, create, modify, or delete HTTP allow list rules.

Buy Now
Questions 36

Refer to the exhibit.

Which inbound connection should an administrator configure on the outside firewall?

Options:

A.

Media: UDP 36000 to 36011

B.

HTTPS (tunneled over SSH between C and E): TCP 2222

C.

SIP TCP 5061

D.

XMPP TCP 5222

Buy Now
Questions 37

The Cisco Webex Hybrid Message service is deployed geographically for separate Cisco Unified IM and

Presence clusters. What must be configured in the Cisco Webex Control Hub to achieve this deployment?

Options:

A.

geo-locations

B.

distributed DNS

C.

verified domains

D.

resource groups

Buy Now
Questions 38

What is a requirement when configuring the Cisco Webex Hybrid Message account for accessing the API of the Cisco UCM IM and Presence Service?

Options:

A.

Add a new end-user with the “Standard AXL API Access” role

B.

Use an application user with only the “Standard CTI Allow Control of All Devices” role

C.

Use an application user not the main administrator account with the “Standard AXL API Access” role

D.

Use the main administrator account if it includes the “Standard AXL API Access” role

Buy Now
Questions 39

A company has an on-premises Cisco collaboration cluster that contains Cisco UCM, IM and Presence, and Cisco Webex in the cloud. The company wants to integrate the on-premises infrastructure with Webex to enable interoperability with the Webex App. An engineer already configured the cluster in Cisco UCM, IM and Presence, and the organization in the Webex Control Hub. Which action must the engineer take to complete the configuration?

Options:

A.

Deploy Directory Connector.

B.

Open the TCP 443 port from IM and Presence to Webex Cloud.

C.

Deploy a Webex Device Connector.

D.

Deploy a Cisco Expressway Message Connector host.

Buy Now
Questions 40

Where can the administrator manage a Webex tenant?

Options:

A.

Cisco Webex administrator portal

B.

Cisco Webex management portal

C.

Cisco Webex control panel

D.

Cisco Webex Control Hub

Buy Now
Questions 41

Refer to the exhibit. A Cisco UCM cluster in mixed mode is integrated with Cisco Expressway-C for Mobile and Remote Access endpoint registration. TLS verify mode is enabled and self-signed certificates with the same common name for Cisco Tomcat and Cisco Call Manager are uploaded to Expressway-C. A Cisco Jabber client fails to register using secure SIP. Which two configurations are the cause of the issue? (Choose two.)

Options:

A.

The Tomcat certificate has the incorrect FQDN for the Cisco UCM server.

B.

The Jabber client cannot connect to its associated phone device by using Cisco Computer Telephony Integration.

C.

The incorrect secure device profile was applied to the Jabber client.

D.

The Expressway-C does not allow two self-signed certificates with the same CN to be trusted.

E.

The Call Manager certificate is causing a conflict.

Buy Now
Questions 42

Which step is required when configuring Cisco Webex Hybrid Message Service?

Options:

A.

Register Expressway-C Connector Hosts to the Cisco Webex Cloud.

B.

Register Expressway-C to Cisco Unified Communications Manager.

C.

Add Expressway-C and Cisco United CM to the Cisco Webex Cloud.

D.

Add Cisco Unity Connection to Expressway-E.

Buy Now
Questions 43

Refer to the exhibit. What are “Type” field values for this Expressway servers zone configuration?

Options:

A.

Expressway-C "DNS", Expressway-E Traversal server'

B.

Expressway-C Traversal server', Expressway-E Traversal client*

C.

Expressway-C "Neighbor'. Expressway-E 'Neighbor'

D.

Expressway-C Traversal client", Expressway-E Traversal server'

Buy Now
Questions 44

Refer to the exhibit. A Cisco Webex device on an enterprise network has identified the given STUN round-trip delays in milliseconds to the enterprise Video Mesh clusters and two Webex Cloud Media clusters during the call setup. Which correct sequence of clusters is the client connecting to?

Options:

A.

US West Coast WCMC. If US West Cost WCMC is full, then Europe WCMC because clients select clusters in the order of SRT delays.

B.

DC Europe. If DC Europe is full, DC APAC because clients select on-premises clusters in the order of SRT delays before using cloud resources.

C.

DC Europe. If DC Europe is full, US West Coast WCMC because clients select resources in the order of SRT delays but ignore SRTs greater than 250 ms.

D.

US West Coast WCMC. Clients continuously monitor DC US cluster and reconnect when DC US are available to save bandwidth.

Buy Now
Questions 45

A network engineer is configuring Mobile and Remote Access for the environment and must add the Certificate Authority into the Expressways. How does the engineer perform this action?

Options:

A.

Go to Maintenance > Trusted CA certificate > Security and upload the trusted Certificate Authority certificates.

B.

Go to Maintenance > Security > Trusted CA certificate and upload the trusted Certificate Authority certificates.

C.

Go to Maintenance > Tools > Security > Certificates > Trusted CA certificate and upload the trusted Certificate Authority certificates.

D.

Go to Maintenance > Tools > Security > Trusted CA certificate and upload the trusted Certificate Authority certificates.

Buy Now
Questions 46

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.

Buy Now
Questions 47

An administrator configures a secure SIP trunk in Cisco UCM to Expressway-C. The SIP trunk fails to become active, and an examination of a packet capture finds that the TLS handshake failed with a “Certificate Unknown” error from Cisco UCM. To allow the Cisco UCM to trust the Expressway-C and establish a TLS connection, the administrator will upload the Expressway server certificate to the trust store. To which trust store must the certificate be uploaded?

Options:

A.

tomcat-trust

B.

CallManager-trust

C.

TVS-trust

D.

ipsec-trust

Buy Now
Questions 48

In which mode does the Cisco Expressway act as a SIP-H.323 gateway only if one or more of the endpoints are locally registered?

Options:

A.

registered only

B.

gateway only

C.

off

D.

Ion

Buy Now
Questions 49

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verify subject name must be configured on the Expressway-E UC traversal zone?

Options:

A.

Webex CUSP Cluster Name

B.

Expressway-E Cluster Name

C.

Cisco Unified Communications Manager Publisher FQDN

D.

Expressway-C Cluster Name

Buy Now
Questions 50

Which user management method uses the Webex Directory Connector to add and synchronize users to the Control Hub organization?

Options:

A.

Synchronize from Active Directory.

B.

Synchronize from Azure AD.

C.

Synchronize from "Add using People API'.

D.

Synchronize from Okta.

Buy Now
Questions 51

An Expressway Server has both network protocols (IPv4 and IPv6) enabled. Which two behaviors are correct? (Choose two.)

Options:

A.

If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPV6-Only network, a NAT64 device must convert the IPv4 addresses to IPv6 addresses.

B.

Endpoints register with either IPv4 or IPv6 addresses, but dual-stack endpoints choose IPv6 protocol by default.

C.

If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPv6-Only network, the Expressway Server act as a gateway and convert the two protocol versions.

D.

Endpoints register only with IPv6 addresses on an Expressway Server with IPv6 protocol enabled regardless of the state of IPv4 protocol.

E.

Endpoints register with either IPv4 or IPv6 addresses, and endpoints decide which protocol to use by the format of the configured Expressway Server IP address.

Buy Now
Questions 52

Refer to the exhibit. A collaboration engineer is configuring Cisco Expressway for B2B calling. The engineer must allow inbound calls to be routed to Cisco UCM. The traffic must be unencrypted between the Expressway-C and the Cisco UCM cluster. Which configuration correctly implements the zone?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Buy Now
Questions 53

Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?

Options:

A.

IPS

B.

SAML authentication

C.

Cisco Unified CM publisher address

D.

SSO

Buy Now
Questions 54

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

Buy Now
Questions 55

Which two scenarios need a proper DNS configuration on Expressway servers? (Choose two.)

Options:

A.

Expressway servers verify the common name attribute in server certificates.

B.

Expressway servers route calls based on SIP URI.

C.

Admins avoid IP address configuration for neighbor zone peers.

D.

Expressway servers use NTP peer authentication for secure time updates.

E.

Admins download software updates from the Cisco website via WebUI.

Buy Now
Questions 56

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

Buy Now
Questions 57

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:

A.

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

* replace a string of \1@example.com

B.

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

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

C.

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

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

D.

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

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

Buy Now
Questions 58

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

Buy Now
Questions 59

Which mechanism does TLS use to validate identity?

Options:

A.

server certificate

B.

shared secret

C.

username and a password

D.

IP address of the peer

Buy Now
Questions 60

An engineer wants to configure a zone on the Expressway-E to receive communications from the Expressway-C in order to allow inbound and outbound calls. How is the peer address configured on the Expressway-C when Expressway-E has only one NIC enabled and is using static NAT mode?

Options:

A.

Expressway-E FQDN

B.

Cisco UCM FQDN

C.

Expressway-E DHCP

D.

Cisco UCM DHCP

Buy Now
Questions 61

Cisco Expressways are being deployed for Mobile and Remote Access. The Expressway-E internal interface (LAN1) IP is 192.168.100.10/24, and the external interface (LAN2) IP is 172.16.100.10/24.

The Expressway-C IP is 192.168.20.10/24. The default gateway for each subnet is the first useable address. How must the Expressway-E be configured to allow proper routing to the internal and external networks?

Options:

A.

IPv4 gateway: 172.16.100.1, and a static route for the 192.168.100.0/24 subnet using LAN1

B.

IPv4 gateway: 192.168.100.1, and a static route for the 192.168.20.0/24 subnet using LAN1

C.

IPv4 gateway: 192.168.100.1, and a static route for the 172.16.100.0/24 subnet using LAN2

D.

IPv4 gateway: 172.16.100.1, and a static route for the 192.168.20.0/24 subnet using LAN1

Buy Now
Questions 62

Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

Options:

A.

Unified Communications traversal zone

B.

neighbor zone

C.

DNS zone

D.

traversal zone

Buy Now
Exam Code: 300-820
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
Last Update: Aug 16, 2025
Questions: 207
300-820 pdf

300-820 PDF

$33.25  $94.99
300-820 Engine

300-820 Testing Engine

$38.5  $109.99
300-820 PDF + Engine

300-820 PDF + Testing Engine

$50.75  $144.99