M1D18: Bits and Pieces of Computer Networking

Date: March 22, 2023
Tags: Coursera, Google IT Support Professional Certificate
Categories: Study Notes

Five Network Layers The TCP provides mechanisms to ensure that data is reliably delivered. The Physical Layer is the first layer of the TCP/IP Five-layer network model. Data Link Layer – layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model is responsible for defining a common way to interpret signals so network devices can communicate … Read More

M1D17: Technical Support Fundamentals

Date: March 17, 2023
Tags: Coursera, Google IT Support Professional Certificate
Categories: Study Notes

Glossary Abstraction: To take a relatively complex system and simplify it for our use Algorithm: A series of steps that solves specific problems ASCII: The oldest character encoding standard used is ASCII. It represents the English alphabet, digits, and punctuation marks Binary system: The communication that a computer uses is referred to as binary system, … Read More