N

NAC (Network Access Control), 298–299

NAC devices, 298–299

name server (NS), 201

NAT (network address translation), 293–295

nation states, 4

National Institute of Standards and Technology (NIST), 6, 10, 329, 493, 510

National Vulnerability Database, 6

Nazi Enigma code, 124

Ncat program (Windows), 199

NDA (nondisclosure agreement), 39, 46

near field communication (NFC), 339, 378

Nessus scanner, 501

netcat tool (Linux), 198–199

netstat command, 196–198

network access, 276–282

Network Access Control (NAC), 298–299

network address translation (NAT), 293–295

network analyzers, 212

network authentication, 178–184

network devices

firewalls. See firewalls

load balancers, 297–298

NAC, 298–299

switches. See switches

network intrusion detection system. ...

Get Mike Meyers' CompTIA Security+ Certification Guide, Second Edition (Exam SY0-501), 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.