FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A FIREWALL RULES ARE EVALUATED AND THE BEST MATCH IS USED
A
FALSE
B
TRUE
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Firewall rules have a priority order that determines the order in which the rules are applied to network traffic. Firewall rules are shown as a list on the Rules page. The rules are applied from top to bottom, and the first rule that matches the traffic overrides all the other rules below.

Detailed explanation-2: -A firewall policy defines how an organization’s firewalls should handle inbound and outbound network traffic for specific IP addresses and address ranges, protocols, applications, and content types based on the organization’s information security policies.

Detailed explanation-3: -Firewalls are filters network traffic which follows a set of rules and can either be used as hardware or software device. They are often categorized as network or host-based firewalls. Network firewall filter traffic between two or more networks while host networks run on host computers.

Detailed explanation-4: -Set Firewall Rules The most explicit firewall rules should be placed at the top of the rule base. This is where traffic is matched at the beginning. A rule base is a set of rules that governs what is and isn’t allowed to pass through a firewall. In most rule bases, the first rule in the list executes the action first.

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