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Security+ Training Guide by Todd King

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Chapter Summary

Communications security is crucial in a world that is increasingly dependent on public networks such as the Internet, where so many useful and essential services are deployed online (online banking, Web-based email services, and online shopping, to name just a few). Although usually considered fundamentally unsecure, the Internet makes our lives more efficient and convenient.

KEY TERMS

  • Digital signature

  • Encryption algorithms

  • Hashing

  • IP Security (IPSec)

  • Layer Two Tunneling Protocol (L2TP)

  • Lightweight Directory Access Protocol (LDAP)

  • Point-to-Point Tunneling Protocol (PPTP)

  • Pretty good privacy (PGP)

  • Public key infrastructure (PKI)

  • Remote Access Dial-in User Services (RADIUS)

  • Secure Multipurpose Internet Mail Extensions (S/MIME)

  • Secure Hypertext ...

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