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640-760 - Supporting Cisco Service Provider IP NGN Operations
You are working on a network outage issue and you realize that you need to make a change to the configuration. What should you do in this situation?
Inform your supervisor about the configuration change.
Implement the change, restore service as soon as possible, and close the ticket.
Wait for the maintenance window to make the change.
Make the necessary change and open a change ticket as soon as possible.
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