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

Question # 4

Which connection does the traversal zone configuration define?

Expressway-E and Collaboration Endpoints

Cisco UC and Cisco Unified Presence Server

Cisco Expressway-C and Cisco Expressway-E platforms

Cisco UCS E-Series and Cisco UCM

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Question # 5

Which SIP media encryption mode is applied by default for newly created zones in the Cisco Expressway?

Off

Auto

Force Encrypted

Best Effort

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Question # 6

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

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

search rules in Cisco Expressway-E

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

traversal client on a Cisco Expressway-E

DNS zone on a Cisco Expressway-C

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Question # 7

Which role does Call Policy play when preventing toll fraud on Expressways?

It controls which calls are allowed, which calls are rejected, and which calls are redirected to a different destination.

It changes the calling and called number on a call.

It changes the audio protocol used by a call through Expressways.

It changes the audio codec used in a call through Expressways.

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Question # 8

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

STUN

RTP

SNMP

TURN

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Question # 9

An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.

Which is an available proxy type in the Video Mesh node configuration to support this deployment model?

Transparent Explicit Proxy

Transparent Inspecting Proxy

Reverse Proxy

Distorting Proxy

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Question # 10

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

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.

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Question # 11

When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

SDP b-line

SIP record route

SDP c-line

SDP m-line

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Question # 12

Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?

Skype for Business mode must be disabled on the DNS server because it conflicts with Jabber login

requirements.

The domain pod1.local must be deprovisioned from the Webex cloud for Jabber logins.

A DNS SRV record must be created for _collab-edge._tls.pod1.local that points to the Expressway-E.

The username jabberuser@pod1.local is invalid. The user should instead sign-in simply as jabberuser.

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Question # 13

What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.

Encrypted IP traffic for collaboration devices always is trusted by the firewall.

The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.

The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.

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Question # 14

Which statement about scheduling Expressway backups is true?

It is not supported on the application.

It is allowed from the application CLI of the Expressway only.

It is allowed from the application CLI and GUI of the Expressway.

It is allowed from the application GUI of the Expressway only.

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