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350-801 · Question #525
350-801 Question #525: Real Exam Question with Answer & Explanation
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On-Premises Call Control
Question
Refer to the exhibit. An engineer runs the utils diagnose test CLI command on a Cisco UCM subscriber and receives an error message during the validate_network test. What are two causes of the error? (Choose two.)
Options
- AThe DNS server is missing PTR records for the Cisco UCM servers.
- BA failure is expected when the utils diagnose test command is run on a subscriber.
- CThe DNS server has multiple PTR records for the Cisco UCM servers.
- DThe DNS servers are unreachable from the Cisco UCM server.
- EThe firewall is blocking UDP port 53 traffic from Cisco UCM to the DNS servers.
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Topics
#Cisco UCM Troubleshooting#DNS Configuration#Network Diagnostics#PTR Records