The Bits and Bytes of Computer Networking Free Download

GET The Bits and Bytes of Computer Networking Free Download

This course is designed to provide a full overview of computer networking. We’ll cover everything from the fundamentals of modern networking technologies and protocols to an overview of the cloud to practical applications and network troubleshooting.

By the end of this course, you’ll be able to:

● describe computer networks in terms of a five-layer model

● understand all of the standard protocols involved with TCP/IP communications

● grasp powerful network troubleshooting tools and techniques

● learn network services like DNS and DHCP that help make computer networks run

● understand cloud computing, everything as a service, and cloud storage


  • Domain Name System (DNS)
  • Ipv4
  • Network Model
  • Troubleshooting

What you will learn from this course

Week 1: Introduction to Networking

Welcome to the Networking course of the IT Support Professional Certificate! In the first week of this course, we will cover the basics of computer networking. We will learn about the TCP/IP and OSI networking models and how the network layers work together. We’ll also cover the basics of networking devices such as cables, hubs and switches, routers, servers and clients. We’ll also explore the physical layer and data link layer of our networking model in more detail. By the end of this module, you will know how all the different layers of the network model fit together to create a network.

  • Course Introduction
  • The TCP/IP Five-Layer Network Mode
  • Alex Why Networking
  • Cables
  • Hubs and Switches
  • Routers
  • Servers and Clients
  • Sergio – Being A Network Engineer
  • Moving Bits Across the Wire
  • Twisted Pair Cabling and Duplexing
  • Network Ports and Patch Panels
  • Ethernet and MAC Addresses
  • Unicast, Multicast, and Broadcast
  • Dissecting an Ethernet Frame
  • Victor Escobedo: Practical Experience in IT
  • Navigating Coursera
  • Program Surveys
  • How to Use Discussion Forums
  • Get to Know Your Classmates
  • Earn a dual Google/CompTIA A+ credentia
  • Supplementary Reading for The OSI Networking Model
  • Supplemental Reading for Ethernet Over Twisted Pair Technologies
  • Graded Plugin
  • TCP/IP
  • Networking Devices
  • The Physical Layer
  • The Data Link Layer
  • Layers in Networking Models
  • Networking Basics

Week 2: The Network Layer

In the second week of this course, we’ll explore the network layer in more depth. We’ll learn about the IP addressing scheme and how subnetting works. We’ll explore how encapsulation works and how protocols such as ARP allow different layers of the network to communicate. We’ll also cover the basics of routing, routing protocols, and how the Internet works. By the end of this module, you’ll be able to describe the IP addressing scheme, understand how subnetting works, perform binary math to describe subnets, and understand how the Internet works.

  • Introduction to The Network Layer
  • The Network Layer
  • IP Addresses
  • IP Datagrams and Encapsulation
  • IP Address Classes
  • Address Resolution Protoco
  • Sergio Path
  • Subnetting
  • Subnet Masks
  • Basic Binary Math
  • CIDR
  • Motivation
  • Basic Routing Concepts
  • Routing Tables
  • Interior Gateway Protocols
  • Exterior Gateway Protocols
  • Non-Routable Address Space
  • Alex Good Story
  • Supplemental Reading for Routing Protocol Examples
  • Supplemental Reading for RFCs and Standards
  • Graded Plugin
  • The Network Layer
  • Subnetting
  • Routing
  • Routing Paths and Subnets
  • The Network Layer

Week 3: The Transport and Application Layers

In the third week of this course, we’ll explore the transport and application layers. By the end of this module, you’ll be able to describe TCP ports and sockets, identify the different components of a TCP header, show the difference between connection-oriented and connectionless protocols, and explain how TCP is used to ensure data integrity.

  • Introduction to the Transport and Application Layers
  • The Transport Layer
  • Dissection of a TCP Segment
  • TCP Control Flags and the Three-way Handshake
  • TCP Socket States
  • Connection-oriented and Connectionless Protocols
  • Firewalls
  • The Application Layer
  • The Application Layer and the OSI Model
  • All the Layers Working in Unison
  • Learner Story: Danie
  • Supplemental Reading for System Ports versus Ephemeral Ports
  • The Transport Layer
  • The Application Layer
  • The Transport and Application Layer
  • The Five-Layer Network Model

Week 4: Networking Services

In the fourth week of this course, we’ll explore networking services. We’ll learn about why we need DNS and how it works. We’ll also show you why DHCP makes network administration a simpler task. By the end of this module, you’ll be able to do describe how DNS and DHCP work, how NAT technologies help keep networks secure, and how VPNs and proxies help users connect and stay secured.

  • Introduction to Network Services
  • Why do we need DNS?
  • The Many Steps of Name Resolution
  • DNS and UDP
  • Sergio IT Great Field
  • Resource Record Types
  • Anatomy of a Domain Name
  • DNS Zones
  • Overview of DHCP
  • DHCP in Action
  • Basics of NAT
  • NAT and the Transport Layer
  • NAT, Non-Routable Address Space and the Limits of IPv4
  • Virtual Private Networks
  • Proxy Services
  • Supplemental Reading forIPv4 Address Exhaustion
  • Graded Plugin
  • Name Resolution
  • Name Resolution in Practice
  • Dynamic Host Configuration Protoco
  • Network Address Translation
  • VPNs & Proxies
  • Networking Services Simulation
  • Networking Services

Week 5: Connecting to the Internet

  • Introduction to Connecting to the Internet
  • Dial-up, Modems and Point-to-Point Protocols
  • What is broadband?
  • T-Carrier Technologies
  • Digital Subscriber Lines
  • Cable Broadband
  • Fiber Connections
  • Wide Area Network Technologies
  • Point-to-Point VPNs
  • Introduction to Wireless Networking Technologies
  • Wireless Network Configurations
  • Wireless Channels
  • Wireless Security
  • Cellular Networking
  • Mobile Device Networks
  • Supplemental Reading for Broadband Protocols
  • Supplemental Reading for WAN Protocols
  • Supplemental Reading for Alphabet Soup
  • Supplemental Readings for Mobile Device Networks
  • Graded Plugin
  • POTS and Dial-up
  • Broadband Internet
  • WANs
  • Wireless Networking
  • Wireless Channels
  • Connecting to the Internet

Week 6: Troubleshooting and the Future of Networking

Congratulations, you’ve made it to the final week in the course! In the last week of this course, we’ll explore the future of computer networking. We’ll also cover the practical aspects of troubleshooting a network using popular operating systems. By the end of this module, you’ll be able to detect and fix a lot of common network connectivity problems using tools available in Microsoft Windows, MacOS, and Linux operating systems.

  • Introduction to Troubleshooting and the Future of Networking
  • Ping: Internet Control Message Protoco
  • Traceroute
  • Testing Port Connectivity
  • Name Resolution Tools
  • Public DNS Servers
  • DNS Registration and Expiration
  • Hosts Files
  • What is The Cloud?
  • Everything as a Service
  • Cloud Storage
  • IPv6 Addressing and Subnetting
  • IPv6 Headers
  • IPv6 and IPv4 Harmony
  • Interview Role Play: Networking
  • Course Wrap Up
  • Alex Career Path
  • Congratulations!
  • Supplemental Reading for Testing Port Connectivity
  • Supplemental Reading for IPv6 and IPv4 Harmony
  • Graded Plugin
  • Verifying Connectivity
  • Digging into DNS
  • The Cloud
  • IPv6
  • IPv6 Compression
  • Troubleshooting and the Future of Networking

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The Bits and Bytes of Computer Networking

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