Which of the following tasks does a firewall do, and which of those tasks is considered to be its most crucial task? What are the criteria for filtering packets using software, and what are the best practices?

Which of the following functions a firewall does, and which of those functions is considered to be its most important function?What standards and guidelines should be followed while employing software to filter packets?

Which of the following duties does a firewall do, and which of those jobs is regarded as the most important?What are the criteria for utilizing software to filter packets, and what are the best practices?

What do you think is the main function that a firewall was designed to fulfill?I currently have software running on my PC that filters packets. What precisely are the constraints I must work within?