Your company just purchased a new firewall, and you have been tasked with configuring its rules. You want to take a restrictive security approach so that only specific traffic will be allowed to pass through the firewall. Which of the following approaches is best to reach this goal
O Allow everything by default and explicitly deny selected traffic.
O Deny everything by default and explicitly allow selected traffic.
O Deny everything by default and implicitly allow selected traffic.
O Allow everything by default and implicitly deny selected traffic.