Question: What is a firewall and how does it work?Answer: A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks. |
保存以便复习
收藏此条目、标记为困难题，或将其加入复习集合。
这有帮助吗？ 是 否
用户评价最有帮助的内容：
- What is the concept of a security patch?
- What is the CIA triad in information security?
- Explain the concept of zero-day vulnerability.
- What is the difference between symmetric and asymmetric encryption?
- What is a firewall and how does it work?