What is the primary purpose of a firewall in network security?
- Block all incoming traffic
- Control and monitor network traffic
- Enhance internet speed
- Protect against viruses
The primary purpose of a firewall in network security is to control and monitor network traffic. Firewalls are designed to filter and manage incoming and outgoing traffic, allowing or denying access based on predefined security rules. They are vital for network security and help prevent unauthorized access and data breaches.
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