Lecture 4.2 - Network Cabling and Communication!#
Recall Our Ports#
Specifically, let’s dive into the RJ-45 or more colloquially named, Ethernet jack.
Our Phones#
When you’re home, your phone doesn’t use an RJ-45 or Ethernet cable, instead it uses Wi-Fi. But if you want to learn more about your phones ports, you can look here in lecture 3.2.
Wi-Fi - Standards#
What Wi-Fi is, it’s versions, and respective link rates.
Ethernet Cables & Standards#
Very quick synopsis on what an ethernet cable looks like. Discuss different ethernet CAT standards. (Align with A+ Cert text)
Fiber Optic Cables & More#
Include mention of SFP Plugs, DAC cables, and fiber-optic cables.
World Connected#
Our world today continues to become more inter-connected each day as more homes, more people, and more business establish an internet presence. But how are we able to talk to our family, friends, and strangers across the globe? How can you play games with people down the street and other peers in continents like Australia? The sea is laid with under-sea fiber-optic cabling that can be seen here.
Under-Sea Cables#
Discuss the size, length, and data transfer speeds of these cables. Include YouTube video? Wikipedia on under-sea cables