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

Last updated on June 20, 2026

97% Exam Compliance
207 Total Questions
1
Question
An engineer is supporting an existing Cisco Collaboration deployment that has internal and external home users using the solution without VPN. Business usage also includes B2B calling for voice and video. Suddenly the engineer receives a report that one of the home office users cannot use the Cisco Jabber client, and shortly after, a few more reports come in for the same error. What must the engineer check first to resolve this issue?
Options
A alarms on the Cisco UCM Cluster
B real-time monitoring toll logs for problems
C client logs of the users
D alarms on the Cisco Expressways
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2
Question
An engineer reviews the configuration of a pair of Expressway servers for a company with the domain example.com. The company allows toll fraud calls to reach the Cisco UCM only when it expects externally registered devices to call internal 5-digit extensions. The search history shows that the fraudulent calls have a destination URI of 8 or more digits and several domains. What must the engineer configure to prevent all toll fraud calls from going past the Expressway-E to the internal network?
Options
A search rules to only route calls with a destination URI of 5 to 8 digits long on the Expressway-E
B CPL to block calls with a destination URI with 8 or more digits on the Expressway-E
C CPL that blocks calls with a destination domain other than example.com on the Expressway-C
D search rules to only route calls with a destination domain ofexample.com on the Expressway-E
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3
Question
Which describes what could do on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?
Options
A Application layer gateway could be enabled to bridge the media traffic.
B A static NAT route could be added to the firewall to bridge the two networks.
C The Expressway-E could be enabled for interworking.
D The Expressway-E could be enabled for Dual-NIC capability.
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4
Question
What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?
Options
A You must have the Intercluster Sync Agent working across your IM and Presence clusters.
B You must have the Intercluster Lookup Service working across all of your IM and Presence clusters.
C AXL service should be activated only on the publisher of each IM and Presence cluster.
D Your IM and Presence Service clusters must have Multiple Device Messaging disabled.
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5
Question
Refer to the exhibit.

Exhibit

Refer to the exhibit. When Expressway-E routes a call with URI 4040@uclab.local to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?
Options
A 10.20.20.20
B 10.30.30.30
C 10.10.10.10
D 10.40.40.40
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