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CompTIA® Security+™ SY0-301 Exam Cram, Third Edition by Martin Weiss, Kalani K. Hausman, Diane Barrett

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Explain the Security Function and Purpose of Network Devices and Technologies

Firewalls

Routers

Switches

Load balancers

Proxies

Web security gateways

VPN concentrators

NIDS and NIPS (behavior based, signature based, anomaly based, heuristic)

Protocol analyzers

Sniffers

Spam filter, all-in-one security appliances

Web application firewall versus network firewall

URL filtering, content inspection, malware inspection

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