professorjrod@gmail.com Ever wonder how your phone grabs an IP address the instant you join Wi‑Fi? We break down the invisible handshake that makes it happen: DORA. From discovery to acknowledgement, we map each step of the DHCP exchange, explain lease timers, and show how networks hand out addresses at scale without stepping on their own toes. Along the way, we share practical stories from classrooms, offices, and coffee shops that turn abstract packets into clear mental models. We go deepe...
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professorjrod@gmail.com Ever wonder how your phone grabs an IP address the instant you join Wi‑Fi? We break down the invisible handshake that makes it happen: DORA. From discovery to acknowledgement, we map each step of the DHCP exchange, explain lease timers, and show how networks hand out addresses at scale without stepping on their own toes. Along the way, we share practical stories from classrooms, offices, and coffee shops that turn abstract packets into clear mental models. We go deepe...
A Plus+ Fundamentals: Network Language, Decoded Chapter 6
Technology Tap
25 minutes
2 weeks ago
A Plus+ Fundamentals: Network Language, Decoded Chapter 6
professorjrod@gmail.com Ever wish the network would just explain itself? We walk through the real language of connectivity—how links come alive, how packets choose their paths, and how a few core ideas unlock routers, firewalls, addressing, and the exam questions that test them. It starts with the wire (and the air): DSL over copper, cable scaling with DOCSIS, fiber to an ONT at your home, and why fixed wireless, satellite, and 5G fill coverage gaps with very different tradeoffs in speed and ...
Technology Tap
professorjrod@gmail.com Ever wonder how your phone grabs an IP address the instant you join Wi‑Fi? We break down the invisible handshake that makes it happen: DORA. From discovery to acknowledgement, we map each step of the DHCP exchange, explain lease timers, and show how networks hand out addresses at scale without stepping on their own toes. Along the way, we share practical stories from classrooms, offices, and coffee shops that turn abstract packets into clear mental models. We go deepe...
