A customer reports a network outage at a branch office after users have reported intermittent Internet connectivity Upon further investigation, you determine that there is significant packet loss and that the majority of traffic on the WAN consists of DNS responses from many different sources. In this scenario, which design consideration would reduce further occurrences with minimal chance of affecting valid traffic?

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Accepted Answer

A. Implement CGNAT

Answer

B. Create a firewall filter to drop all traffic to the affected destination address of the attack

Answer

C. Create a firewall filter to drop all traffic based on the source addresses of the attack.

Answer

D. Configure BGP flowspec.

A customer reports a network outage at a branch office after users have reported intermittent Internet connectivity Upon further investigation, you determine that there is significant packet loss…

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