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CCSP SNRS Quick Reference Sheets by Brandon James Carroll

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Chapter 1. Layer 2 Security

Examining Layer 2 Attacks

Security is a topic on every network administrator’s mind, regardless of whether it’s even part of his or her job. And to protect networks, people deploy a variety of devices, including firewalls and intrusion prevention systems. Although these types of devices need to be present, they don’t protect a certain area of the network that is often left vulnerable to attack: Layer 2. That’s right; the access layer is often forgotten. This leaves your network open to myriad simple-to-run attacks that can wreak havoc on a network.

Those preparing for the CCSP-SNRS certification exam must understand Layer 2 attacks and their mitigation techniques. An understanding of these concepts and mitigation techniques ...

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