CCNA Security Question of the Week

Which two options are advantages of an application layer firewall? (Choose two.)

A. Provides high-performance filtering.
B. Makes a denial of service (DoS) attacks difficult.
C. Supports a large number of applications.
D. Authenticates devices.
E. Authenticates individuals.

Answer: B and C.

Compared to a standard firewall, the application layer firewall has a greater understanding of applications that are transiting the firewall. This deeper packet inspection then makes it increasingly difficult for denial of service (DoS) attacks to get through.

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