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Hi DaikinDKNJFK,
Thank you for your query.
Take note that the question asks about the viable mitigation techniques that are NOT suitable to prevent Distributed Denial of Service (DDoS) attack. In this case, Option 1 and Option 2 are the correct answers because they do not provide the necessary protection against DDoS attacks.
Option 1: Using Dedicated EC2 instances for maximum performance is not an effective strategy for DDoS mitigation. While it may offer improved performance, it does not address the need for protection against large-scale attacks.
Option 2: Adding multiple Elastic Fabric Adapters (EFA) to EC2 instances enhances network performance for specific use cases like HPC, but it does not mitigate DDoS attacks. EFAs are meant to improve performance, not to handle or protect against DDoS threats.
I hope this helps! Please feel free to reach out if you need further clarification or have additional questions.
Cheers,
Irene @ Tutorials Dojo
