What is the primary function of a network firewall in a computing environment?
To proxy web traffic and filter out malicious payloads
To actively monitor and filter the content users can access while using the corporate network.
To increase the bandwidth available to networked devices by distributing traffic.
To control traffic between a secure internal network and an untrusted external network, according to predefined rules.
To provide a backup storage solution for network data in case of system failure.