A system that uses a public network (Internet) as a means for creating private encrypted connections between remote locations is known as:

  • Integrated Services Digital Network (ISDN)
  • Virtual Local Area Network (VLAN)
  • Virtual Private Network (VPN)
  • Personal Area Network (PAN)

CompTIA Network+ N10-006
  • Network Architecture
  • Network operations
  • Network security
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  • Troubleshooting
  • Industry standards, practices, and network theory