Devices: Hubs, Switches, VLANs, & Routers

Moment at 1:52:45 in IT Fundamentals Course – Hardware, Cloud, DevOps, Networking, Security, Databases, DNS, Git, Linux by freeCodeCamp.org.

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

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• IT Basics & Certifications (A+, Net+, CCNA)
• IT Roles: DevOps, SRE, & Platform Engineering
• Hardware: CPU, RAM, SSD, & NICs
• Software: OS, GUI vs. CLI, & Application Types
• Windows vs. Linux & Open Source
• Servers: Virtualization, Hypervisors, & Type 1 vs. 2
• AWS Account Setup & EC2 VM Launch
• Cloud: Data Centers, CapEx vs. OpEx, & Benefits
• Service Models (IaaS, PaaS, SaaS) & Cloud Deployment
• Choosing Providers: AWS, Azure, & GCP
• Networking: LAN, WAN, CAN, & Traffic Flows
• Devices: Hubs, Switches, VLANs, & Routers
• Cabling (UTP vs. Fiber) & Data Center Networks (DCN)
• Wireless (WLAN) & How the Internet Connects
• IP Addressing: IPv4 vs. IPv6 & Binary Math
• Network Portions, Subnet Masks, & CIDR Notation
• IP Classes & Subnetting (Pizza Analogy)
• Public vs. Private IPs, NAT, & IANA Hierarchy
• Routing: Route Tables, BGP, & Default Routes
• IP Packet Anatomy: Headers vs. Payload
• VPC: AWS Regions, AZs, & Virtual Data Centers
• Lab: Creating a Custom VPC & Internet Gateway
• Public vs. Private Subnets & NAT Configuration
• Models: OSI 7-Layer Reference & Encapsulation
• TCP vs. UDP & Common Port Allocations
• Protocols: ICMP (Ping), SSH, & HTTP/HTTPS
• Security: Firewalls, Zoning, & DMZ Architectures
• Security Groups (Stateful) vs. NACLs (Stateless)
• Services: DNS, Monitoring, Alerting, & Logging
• Databases: Relational, NoSQL, & SQL Queries
• Tools: Linux Skills, Bash Scripting, & Python
• Design: Professional Architecture Diagram Masterclass
• Course Summary & Next Steps

• Great Wall of China - Civ4
• Sexy squeeze through a narrow gap
• Everyone shooting at Wonder Woman
• Dune: Part 2 - Riding the sandworm
• Heartbeat Payday #2 ❤️
• See the color changes
• Attack Death
• "Do you like to dance?" Aviendha asks
• Drink a spicy margarita, make some bad decisions
• All Heartbeat features - No fluff
• Graduation day
• Almost monetized on YouTube
• Use a lifeline - Call my parents
• Elvis actor cast as Harkonnen Feyd-Rautha
• Egwene vs Ishamael - Wheel of Time
• Who did you fire? Senator drills Mark Zuckerberg, CEO of Facebook
• Come on! Hit me! Conan O'Brien punched by Maria Menounos in the abs
• Electric desk in action
• How do you make God laugh?
• And our son?
• Dragon flies in
• The bureaucracy is expanding to meet the needs of the expanding bureaucracy
• Anytime you say "algorithm" replace it with "audience"
• Step outside the world's tallest building
• 10-year anniversary of Freedom!
• All Heartbeat Photos features - No fluff
• End of work from home #funny
• "Fools!" said I "You do not know"