CLCOR Cloud And Hybrid Services Practice Test 4 — 15 Questions

Question 1

What is the maximum number of nodes in a standard Expressway-C cluster for Hybrid Services?

Accepted Answer

6. A standard Expressway-C cluster supports up to six nodes to ensure high availability and scalability.

Answer

8

Answer

4

Answer

2

Question 2

Which TWO of the following are required components of a Cisco Local Gateway deployment? (Choose two)

Accepted Answer

A Cisco Unified Border Element (CUBE).. A Local Gateway requires a CUBE (Cisco Unified Border Element) and a SIP trunk to the Webex Calling cloud.

Answer

An on-premises Active Directory server.

Answer

A dedicated fiber-optic internet connection.

Answer

A cloud-based PSTN provider.

Question 3

Which THREE of the following are required for the successful operation of the Webex Hybrid Calendar service? (Choose three)

Accepted Answer

A valid configuration in Control Hub.. The Hybrid Calendar requires a properly configured service account, the connector host (Expressway), and an integration configuration in Control Hub.

Answer

A Cisco Unified Communications Manager cluster.

Answer

A public PSTN trunk.

Question 4

Which TWO of the following items can be monitored in the Webex Control Hub under the 'Hybrid' tab? (Choose two)

Accepted Answer

Connector status (up/down).. The Hybrid tab provides real-time health monitoring and connectivity status for all deployed service connectors.

Answer

Physical desk phone inventory.

Answer

PSTN usage minutes.

Answer

User password history.

Question 5

Which THREE of the following troubleshooting steps should be performed if a Webex Hybrid connector is showing 'Down' in Control Hub? (Choose three)

Accepted Answer

Restart the Management Service on the Expressway-C.. When a connector fails, the administrator should verify network connectivity, check the service status on the Expressway, and examine the local logs for errors.

Answer

Re-provision the Active Directory domain controller.

Answer

Upgrade the CUCM cluster software.

Question 6

Which THREE of the following items are verified during the Webex Hybrid Service connector installation? (Choose three)

Accepted Answer

Active Directory service account privileges.. The installation process validates that the Expressway-C can communicate with the cloud, that the certificates are trusted, and that the service account has the necessary permissions.

Answer

The local PBX manufacturer.

Answer

User's home network speed.

Question 7

Which TWO of the following are valid deployment models for the Webex Calling PSTN connectivity? (Choose two)

Accepted Answer

Local Gateway.. Customers can choose between Local Gateway (using on-premises hardware) or Cloud Connected PSTN (using a cloud provider partner) for their calling connectivity.

Answer

Webex Calling dedicated ISP.

Answer

Hybrid Cloud PSTN.

Answer

Peer-to-Peer PSTN.

Question 8

Which TWO of the following features are supported by the Webex Hybrid Message Service? (Choose two)

Accepted Answer

Instant message exchange.. The Hybrid Message service facilitates presence updates and message exchange between on-premises IM&P users and the Webex App.

Answer

Voicemail transcription.

Answer

Email synchronization.

Answer

Web-based meeting recording.

Question 9

You need to migrate users from an on-premises Cisco Unified Communications Manager (CUCM) to Webex Calling. Which tool allows for the bulk onboarding of users while maintaining existing directory synchronization?

Accepted Answer

CSV Template upload in Control Hub. The Webex Directory Connector or SCIM integration is used to sync, but the Webex Control Hub 'Users' management tool is the primary interface for bulk migration assignments.

Answer

Webex Edge for Devices

Answer

CUCM AXL API bulk exporter

Answer

Webex Migration Tool

Question 10

You are configuring a local gateway for Webex Calling. Which mechanism ensures that the Webex Cloud can communicate with your on-premises edge device without requiring inbound firewall ports?

Accepted Answer

Outbound TLS connection from CUBE to Webex Cloud. Webex Calling Local Gateways use the Expressway-C or CUBE to establish an outbound TLS connection to the Webex cloud, removing the need for inbound port openings.

Answer

Webex Calling Connector via port forwarding

Answer

SIP Trunk over VPN

Answer

H.323 Gatekeeper registration

Question 11

Which TWO of the following are necessary to configure 'Hybrid Call Service' for Cisco Unified Communications Manager? (Choose two)

Accepted Answer

Cisco Unified Communications Manager configuration.. Hybrid Call Service requires an Expressway-C registered to the cloud and a corresponding configuration on the CUCM side to allow for call routing.

Answer

A separate Webex Edge server.

Answer

An on-premises PSTN gateway.

Answer

A dedicated public IP address for the CUCM.

Question 12

A company uses Webex Hybrid Calendar Service. Users report that the 'Join' button is missing from their Webex Room devices for scheduled meetings. What is the most likely cause?

Accepted Answer

The user's Exchange mailbox is not assigned to the Hybrid Calendar service. The Hybrid Calendar Service requires the meeting host to be enabled for the service and the invite to contain specific URI information that the calendar connector parses to generate the join button.

Answer

The Webex site is not integrated with the Control Hub

Answer

The Room device has not been registered to Webex

Answer

The Expressway-C does not have a public certificate

Question 13

Which deployment model should be chosen for Cloud Connected PSTN (CCP) if the organization wants to leverage their existing carrier contracts?

Accepted Answer

Cloud Connected PSTN (CCP). CCP allows customers to connect their own carrier SIP trunks directly to the Webex Calling cloud via a certified partner.

Answer

Local Gateway PSTN

Answer

Webex Calling PSTN via Cisco

Answer

Webex Calling Dedicated Instance

Question 14

You are configuring Webex Hybrid Data Security (HDS). What is the purpose of the 'Key Management Service' (KMS) in this architecture?

Accepted Answer

To allow the enterprise to maintain control over encryption keys. HDS allows customers to hold their own keys; the HDS nodes in the private cloud handle the key encryption and decryption requests to ensure data privacy.

Answer

To authenticate users against local Active Directory

Answer

To facilitate the storage of encrypted meeting recordings

Answer

To manage SIP signaling encryption

Question 15

When troubleshooting a Hybrid Media Service node, which log file is most critical for determining if the media is being routed correctly to the cloud?

Accepted Answer

Hybrid Media Service logs. The Hybrid Media Service logs on the Expressway-C contain the signaling and media path details necessary for troubleshooting pathing issues.

Answer

Cisco Discovery Protocol logs

Answer

System event logs

Answer

Call processing logs