Which security function is provided by a firewall?
- allows or blocks trafic by performing packet filtering and stateful inspection
- passively monitors network traffic and logs intrusion attacks for security analysis
- passively monitors network traffic and automatically blocks intrusion attacks
- aggregates and correlates threat events, contextual information, and network device performance data
Explanation: A firewall monitors incoming and outgoing network traffic and allows or blocks traffic based on filtering and stateful inspection of packets.
Related exam: Quiz - Secure Network Access Control
Related exam: Networking Essentials ( Version 2) – Networking Essentials 2.0 Final Exam SD
