300-820無料問題集「Cisco Implementing Cisco Collaboration Cloud and Edge Solutions」

質問 1

Which protocol and port are used for signaling between on-premises Cisco Webex Video Mesh Nodes and Cloud Media Services?

（A）standard SIPTLS over TCP port 5061

（B）signaling over TCP port 444

（C）signaling over HTTPS TCP port 443

（D）standard SIP over TCP port 5060

正解：B 解答を投票する

質問 2

What is a benefit of Cisco Webex Messenger Cloud deployment?

（A）Cloud deployment allows interoperability between Cisco Jabber and Webex Teams users.

（B）Cloud deployment is more secure than an on-premises deployment.

（C）Cloud deployment is taster than using an on-premises deployment.

（D）There is no additional cost to use a cloud deployment.

正解：C 解答を投票する

質問 3

What is the default file extension for saving Cisco Expressway-C backups when using the Google Chrome browser?

（A）.zip

（B）.tar.gz.enc

（C）.tar.gz.gz

（D）.tar.tar.gz

正解：B 解答を投票する

質問 4

Which set of actions configures ACME certificates on Expressways?

（A）Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to OFF.

（B）Configure ACME Certificate settings on your Expressway-C, and change the ACME automated scheduler field to ON.

（C）Configure ACME Certificate settings on your Expressway-E, and change the ACME automated scheduler field to ON.

（D）Configure ACME Certificate settings on your Expressway-E, disable the Expressway cluster, and change the ACME automated scheduler field to OFF.

正解：C 解答を投票する

質問 5

Refer to the exhibit.

Refer to the exhibit. An engineer must configure a B2B traversal zone. Trusted certification authority and server certificates are uploaded to Cisco Expressway-C and Expressway-E servers. After the traversal zone configuration is completed in Expressway-C, the error message in the exhibit appears. What are the two reasons for the error? (Choose two.)

（A）The communication port is not set to 7001.

（B）The FQDN of Expressway-E cannot be resolved by the DNS server.

（C）The peer 1 address in Expressway-C is not the FADN of Expressway-E.

（D）The peer 1 address in Expressway-C must be replaced by the FQDN of Expressway-C.

（E）The traversal zone TLS verify subject name in Expressway-E does not match the FQDN of Expressway-C.

正解：C、D 解答を投票する

質問 6

Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

（A）Requesting for permission from the firewall

（B）Using an existing keep-alive connection opened by the client

（C）Opening an outbound connection directly to the client through the firewall

（D）Opening an inbound connection directly to the client through the firewall

正解：B 解答を投票する

質問 7

What is the purpose of Webex Cloud-Connected UC?

（A）It is a hybrid calling setup with an on-premises Cisco UCM and a Webex based Cisco UCM to benefit from both critical on-prem and flexible cloud deployments.

（B）It is a Cisco UCM deployed in the Webex cloud for feature parity when moving to cloud.

（C）It is a migration path tor moving from on-premises UC to Webex in a step by step plan.

（D）Get the benefits of centralized cloud-based analytics and troubleshooting while keeping critical calling on-premises.

正解：D 解答を投票する

質問 8

When external video endpoints are called via a DNS zone, which dialing method requires DNS to be configured in the Expressway server?

（A）URI dialing

（B）E.164

（C）DN dialing

（D）IP dialing

正解：A 解答を投票する

質問 9

Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

（A）down Cisco Unified Communications Manager server

（B）service discovery issues

（C）XMPP bind failures

（D）incorrect login credentials

正解：C 解答を投票する

質問 10

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?

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

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

正解：A 解答を投票する

質問 11

Where is encryption enabled in a Cisco collaboration environment for dedicated hardware-based video endpoint calls?

（A）Set enforce encryption in Cisco Expressway-C under Dial Plan Configuration.

（B）Ensure that Cisco UCM is set to restricted mode.

（C）Set enforce encryption on every single endpoint.

（D）Set enforce encryption in regions in Cisco UCM.

正解：D 解答を投票する

質問 12

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

（A）Cisco Webex App

（B）Cisco Webex Messaging

（C）Cisco Jabber Online

（D）Cisco Webex ONE

正解：A 解答を投票する

300-820 無料問題集「Cisco Implementing Cisco Collaboration Cloud and Edge Solutions」

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