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640-760 - Supporting Cisco Service Provider IP NGN Operations
Your fault management system indicates that an "interface down" event was received five minutes ago, followed by an "interface up" event three minutes later. What should you do?
Open a trouble ticket and begin troubleshooting the outage.
Verify that there were no changes made to the device recently.
Monitor the device for additional interface events before taking any action.
Escalate to a level 2 NOC engineer immediately.
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