A customer is reporting spikes in traffic to the dispatcher and is concerned about Denial of Service (DoS) attacks. Which two actions should the Architect take to prevent this from happening? (Choose two.)
Restrict the clients that can invalidate the cache
Select all that apply, then click Submit answer.
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Only allow access and caching of expected mime types
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Use mod_rewrite module to perform URL validations
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Prevent clickjacking by specifying the X-FRAME-OPTIONS header
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Disallow access to any administrative URL