The practice of connecting to an open port on a remote server to gather more information about the service running on that port is known as:

  • Session hijacking
  • eDiscovery
  • Banner grabbing
  • Bluejacking

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