CompTIA Security+ SY0-701 Practice Question
An organization needs to prevent unauthorized external access to its internal network but still allow employees to access external resources necessary for their work. Which security technology should the organization implement to best achieve this goal?
Deploy an intrusion detection system to monitor network activities for suspicious behavior.
Implement a firewall to control and filter network traffic based on security rules.
Install physical access controls to restrict entry to the organization's facilities.
Use encryption to secure sensitive data transmitted over the network.