Session Date: Wednesday Sep 06, 2017
These Khan Academy videos serve as a great introduction to our Networking session. I want you to actively watch these videos before coming to class so read over the associate keywords I have listed on this page under each video link. Most of these keywords are at least briefly mentioned in the video.
If I have found any other relevant links or videos associated with the term, that term will have an link to the source. if you see this arrow symbol ⇒, then I have provided a related link that was not mentioned in the videos.
measuring data: binary, bit, byte, kilobyte, megabyte, gigabyte, terrabyte
data throughput and speed: bandwidth, bitrate, latency, requesting device
modes of transmitting data: copper wire, electricity, light, fiber optic cable, thread of glass, bounce angle, radio signal, wireless, signal degradation, wifi, satellite
Vint Cerf, Bob Kahn, internet, internet protocol (IP), network, ISP, IP address(es), IP hierarchy
⇒ Pinging a a domain to find the IP address:
computername:~ username$ ping unc.edu
PING unc.edu (220.127.116.11): 56 data bytes
early numbers are usually country numbers and regional numbers then subnetworks the the address of the device
IP packets, routes, cheapest path, TCP, TCP/IP ⇒TCP Joke
TCP inventory, acknowledgment, verification, sign, scaleable
URL, server, HTTP, GET Request, HTML
HTTP POST, SSL, TLS, HTTPS
encryption, Caesar's Cipher, algorithm, key, 256 bit keys ⇒ random key generator, symmetric encryption, asymmetric key, private key, public key
Cybersecurity viruses, DDOS attacks, phishing, hacker, botnet
⇒ social engineering hacking is not mentioned in this video, but it is very important for you to understand
We will spend more time working with git and Unix in this class session.
last page update: Sunday Sep 10, 2017