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Free Cisco 300-820 Practice Exam with Questions & Answers | Set: 2

Questions 11

Which 16-digit number is unique to a serial number and is used to enable the system?

Options:
A.

RMS license key

B.

option key

C.

release key

D.

Expressway series

Cisco 300-820 Premium Access
Questions 12

Which statement correctly describes links and pipes in Cisco Expressway?

Options:
A.

A maximum of one pipe can be applied to a link.

B.

A call between two endpoints in the same subzone or zone fails if there is no pipe between the endpoints.

C.

A call between two endpoints in the same subzone or zone fails if there is no link between the endpoints.

D.

The lower bandwidth restriction is applied to calls over a link that is associated to two pipes.

Questions 13

After an engineer implements load balancing in the Cisco CMS cluster, they observe that shortly after the second Call Bridge is added to the cluster, calls into a space randomly disconnect when the calls are from endpoints registered with Cisco UCM. Which action resolves the issue?

Options:
A.

Enable "Accept Out-of-dialog REFER" on the SIP Trunk security profile.

B.

Enable "Accept Unsolicited Notification" on the SIP Trunk security profile.

C.

Enable "Accept Presence Subscription" on the SIP Trunk security profile on Cisco UCM.

D.

Enable "Accept Replaces Header" on the SIP Trunk security profile on Cisco UCM.

Questions 14

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

Questions 15

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.

Questions 16

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.

Questions 17

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.

Questions 18

An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

Options:
A.

in the public DNS server

B.

in DNS SRV settings under Cisco Unified OS Administration in Cisco UCM

C.

in DNS settings in the Expressway-E on the interface that faces the Internet

D.

in DNS settings under Cisco Unified OS Administration in Cisco UCM

Questions 19

300-820 Question 19

Refer to the exhibit. An engineer is configuring Cisco Expressway-C to discover Cisco UCM by using an IP address and a TCP connection. After the configuration is saved, errors occur.

Which two changes must be made to resolve the errors? (Choose two.)

Options:
A.

Configure an application user with Cisco Computer Telephony Integration-enabled privileges in Cisco UCM.

B.

Configure an application user with Administrative XML privileges in Cisco UCM.

C.

Upload a valid Cisco Tomcat certificate from the Cisco UCM to Expressway-C.

D.

Set TLS verify mode to Off.

E.

Configure an HTTP allow list that contains the Cisco UCM

Questions 20

When the network requirements are configured for a new Video Mesh deployment, which firewall ports are required so that Video Mesh cascade signaling succeeds?

Options:
A.

TCP 443 and 444

B.

TCP 443 and 8443

C.

UDP 5004 and 5005

D.

UDP 33432 through 33433

Exam Code: 300-820
Certification Provider: Cisco
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)
Last Update: Jul 10, 2025
Questions: 207

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