Maria is setting up a network for a small office. As part of the network design, she wants to make sure that unauthorized external access to the company's internal resources is restricted. Which device should she install at the network's boundary to monitor and control incoming and outgoing network traffic based on a set of security rules?
A firewall is the correct answer because it is specifically designed to monitor and control incoming and outgoing network traffic based on security rules. This would prevent unauthorized access to internal resources. A switch primarily connects devices within a network and manages data flows between them. A router is used to connect multiple networks and route traffic between them. An access point allows wireless devices to connect to a wired network, but it does not regulate traffic with security rules.
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