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

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Total 207 questions

Which option changes the addresses and ports in voice and video signaling messages?

A.

Firewall ALG

B.

NAT overload

C.

NAT Pinhole

D.

NAT ALG

What allows endpoints behind a NAT to discover the paths through which they will pass media?

A.

RTP

B.

TLS

C.

SNMP

D.

ICE

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

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.

Which dial plan settings can be used to set up different regulations according to the protocol (SIP or H.323) or the source of the query?

A.

presearch transforms

B.

search rules

C.

call policy

D.

policy services

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

A.

Cisco Webex Messaging

B.

Cisco Webex App

C.

Cisco Webex ONE

D.

Cisco Jabber Online

Refer to the exhibit.

An Expressway-C and Expressway-E are configured for B2B calling and the Expressway- E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.

Which action resolves this error?

A.

Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.

B.

Configure the Expressway-C Traversal Client zone transport protocol with TCP.

C.

Add a server certificate to the Expressway-C that is signed by a certificate authority.

D.

Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.

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?

A.

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

B.

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

C.

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

D.

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

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

A.

SIP

B.

H.248

C.

MGCP

D.

SCCP

E.

H.323

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.)

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.

Refer to the exhibit. When a user tries to sign in to the Cisco Jabber client through Mobile and Remote Access, they receive this error message: “Cannot communicate with the server.” The external DNS server is configured with the SRV records listed in the exhibit.

What is the cause of the issue?

A.

The collab-edge DNS record must be added to the DNS server and the _cisco-uds DNS record must be removed.

B.

A Cisco CSF device must be configured in UC for the user and the _cisco-uds DNS record must be removed.

C.

The HTTP allow list is not allowing communication with the Instant Message and Presence server.

D.

The _sips DNS record must target expE-pub.cll-collab.internal and the _cisco-uds DNS record must be removed.