Which of the following is BEST at blocking attacks and providing security at layer 7 of the OSI model?

Which of the following is BEST at blocking attacks and providing security at layer 7 of the OSI model?

Which of the following is BEST at blocking attacks and providing security at layer 7 of the OSI model?




A. WAF
B. NIDS
C. Routers
D. Switches


Answer: A


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