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300-820 · Question #157
300-820 Question #157: Real Exam Question with Answer & Explanation
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Mobile and Remote Access
Question
Refer to the exhibit. When a user tries to sign in to the Cisco Jabber client through Mobile and Remote Access, they receive this error message: "Cannot communicate with the server." The external DNS server is configured with the SRV records listed in the exhibit. What is the cause of the issue?
Options
- AThe _sips DNS record must target expE-pub.cll-collab.internal and the _cisco-uds DNS record
- BThe collab-edge DNS record must be added to the DNS server and the _cisco-uds DNS record
- CA Cisco CSF device must be configured in UC for the user and the _cisco-uds DNS record must
- DThe HTTP allow list is not allowing communication with the Instant Message and Presence
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Topics
#Mobile and Remote Access#DNS#Jabber#Expressway