What is one of the most effective security tools available for protecting users from external threats?
- firewalls
- router that run AAA services
- patch servers
- password encryption techniques
Explanation: A firewall is one of the most effective security tools for protecting internal network users from external threats. A firewall resides between two or more networks, controls the traffic between them, and helps prevent unauthorized access. A host intrusion prevention system can help prevent outside intruders and should be used on all systems.
Related exam: 16.5.4 Module Quiz – Network Security Fundamentals Answers
