What is the most effective way to mitigate worm and virus attacks?
- Secure all Layer 2 devices.
- Ensure that users change their passwords often.
- Deploy packet filtering firewalls at the network edge.
- Install security updates to patch vulnerable systems.
Exam with this question: CCNA 2 Pretest (v5.03 + v5.1 + v6.0) Exam Answers