CLCOR Practice Test 3 — 10 Questions

Question 1

Which command is used on the Expressway CLI to verify the status of the Hybrid Service connector process?

Accepted Answer

xstatus management services. The 'xstatus' command is the primary tool for verifying the status of processes and services running on the Expressway platform.

Answer

netstat -anp

Answer

utils webex status

Answer

show services

Question 2

Which protocol does the Webex Hybrid Message service use to communicate with the on-premises IM&P server?

Accepted Answer

XMPP. The Hybrid Message Service uses the Extensible Messaging and Presence Protocol (XMPP) to communicate between the IM&P server and the Webex cloud.

Answer

SIP

Answer

SCCP

Answer

HTTPS

Question 3

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 4

What is the first step to enable Webex Hybrid Services in a new organization?

Accepted Answer

Register the organization in Control Hub.. Enabling the Hybrid Services feature in the Control Hub settings is the foundational step before registering any connectors.

Answer

Purchase a PSTN plan.

Answer

Install the Expressway-C software.

Answer

Assign licenses to all users.

Question 5

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 6

You are configuring DNS SRV records to support Jabber service discovery. Which domain format is correct for the _collab-edge._tls record?

Accepted Answer

_collab-edge._tls.example.com. The _collab-edge._tls record is used by Cisco Expressway-E for MRA discovery, and it must point to the FQDN of the Expressway-E cluster.

Answer

_tls._collab-edge.example.com

Answer

collab-edge.example.com._tls

Answer

_collab-edge._tcp.example.com

Question 7

Which design principle must be followed when implementing a centralized call processing deployment with remote branch offices connected via a WAN?

Accepted Answer

Enable SRST on the local branch gateway to handle call processing during a WAN outage.. When the WAN link fails, Survivable Remote Site Telephony (SRST) or Cisco Unified SRST is required to keep the phones registered and functional.

Answer

Deploy a dedicated CUCM node in every branch office.

Answer

Configure H.323 gateways at each site to communicate directly with all remote phones.

Answer

Use RSVP to guarantee bandwidth across the WAN for signaling.

Question 8

You have a CUCM cluster with high utilization. Which parameter, when adjusted, helps mitigate the load on the TFTP service during a large-scale phone deployment?

Accepted Answer

TFTP File Load Factor. Setting the 'Enable Caching of Signed Files' and 'TFTP File Load Factor' helps optimize the TFTP server's ability to serve requests without overloading.

Answer

Keepalive Interval

Answer

Max Phone Registrations

Answer

Registration Timeout

Question 9

Which component is required to synchronize users from an on-premises Active Directory to the Webex Cloud?

Accepted Answer

Cisco Directory Connector. The Cisco Directory Connector is the standard tool for provisioning and synchronizing user identities from LDAP/AD to Webex.

Answer

Webex Calling Admin Console

Answer

Expressway-C

Answer

Cisco Webex HDS

Question 10

When a user is off-network, how do they connect to the corporate network resources if you have deployed Hybrid services?

Accepted Answer

The user must use a VPN client.. The Webex App typically connects directly to the cloud; if internal resources are needed, a VPN or other secure access method is required, as the Webex App does not act as a site-to-site VPN.

Answer

The Expressway-E provides direct access.

Answer

The Webex App automatically tunnels all traffic to the corporate network.

Answer

The Hybrid Services connector bridges the traffic.