This course provides a solid foundation to start building your technical skills and understanding of modern IT concepts.

More courses from Eissa Abousherif:
https://www.udemy.com/user/dolfined/

❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp

Contents
- 00:00 IT Basics & Certifications (A+, Net+, CCNA)
- 05:04 IT Roles: DevOps, SRE, & Platform Engineering
- 07:58 Hardware: CPU, RAM, SSD, & NICs
- 17:13 Software: OS, GUI vs. CLI, & Application Types
- 24:21 Windows vs. Linux & Open Source
- 32:00 Servers: Virtualization, Hypervisors, & Type 1 vs. 2
- 50:31 AWS Account Setup & EC2 VM Launch
- 1:07:37 Cloud: Data Centers, CapEx vs. OpEx, & Benefits
- 1:27:03 Service Models (IaaS, PaaS, SaaS) & Cloud Deployment
- 1:36:56 Choosing Providers: AWS, Azure, & GCP
- 1:41:05 Networking: LAN, WAN, CAN, & Traffic Flows
- 1:52:45 Devices: Hubs, Switches, VLANs, & Routers
- 2:05:40 Cabling (UTP vs. Fiber) & Data Center Networks (DCN)
- 2:17:01 Wireless (WLAN) & How the Internet Connects
- 2:24:05 IP Addressing: IPv4 vs. IPv6 & Binary Math
- 3:14:05 Network Portions, Subnet Masks, & CIDR Notation
- 3:41:53 IP Classes & Subnetting (Pizza Analogy)
- 4:10:18 Public vs. Private IPs, NAT, & IANA Hierarchy
- 4:49:05 Routing: Route Tables, BGP, & Default Routes
- 5:16:11 IP Packet Anatomy: Headers vs. Payload
- 5:21:30 VPC: AWS Regions, AZs, & Virtual Data Centers
- 5:37:16 Lab: Creating a Custom VPC & Internet Gateway
- 6:11:22 Public vs. Private Subnets & NAT Configuration
- 6:40:41 Models: OSI 7-Layer Reference & Encapsulation
- 6:54:16 TCP vs. UDP & Common Port Allocations
- 7:11:13 Protocols: ICMP (Ping), SSH, & HTTP/HTTPS
- 7:44:00 Security: Firewalls, Zoning, & DMZ Architectures
- 8:00:23 Security Groups (Stateful) vs. NACLs (Stateless)
- 8:14:13 Services: DNS, Monitoring, Alerting, & Logging
- 8:33:01 Databases: Relational, NoSQL, & SQL Queries
- 8:47:11 Tools: Linux Skills, Bash Scripting, & Python
- 9:07:42 Design: Professional Architecture Diagram Masterclass
- 13:00:50 Course Summary & Next Steps

freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech.

IT Fundamentals Course – Hardware, Cloud, DevOps, Networking, Security, Databases, DNS, Git, Linux