APIPA (Automatic Private IP Addressing) is a DHCP fail-over instrument used with IPv4 (Internet Protocol Version 4). APIPA is envisioned for use in non-routed business environments with less than 25 clients being ideal. It is supported by all modern versions of Microsoft Windows. By using APIPA, DHCP clients […]
Digital certificates are a lot like identification cards, as they are electronic credentials that are used to prove the identity of users, devices, or organizations. Issued by Certification Authorities (CA), digital certificates bind an owner’s public key with his or her private key. These certificates contain […]
The OSI (Open Systems Interconnection) model is a helpful tool to help frame discussions and troubleshooting of a wide range of technologies and protocols. It provides the basis for understanding Ethernet, the many ways a computer can communicate, understanding the differences between hubs, switches, and routers, […]
Securing The Universe 
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