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Essential concepts for networking beginners

9 articles

IP Addresses

How devices are identified on networks

DNS

How domain names translate to IP addresses

TCP and UDP

The core transport protocols of the internet

HTTP and the Web

How web browsers communicate with servers

Ports

Network endpoints for different services

Routing and Networks

How data finds its way across networks

Servers and Infrastructure

Physical and virtual machines that power services

SSL and TLS

Encryption and secure connections explained

Firewalls and Security

Protecting networks from threats and attacks

Email Protocols

How email works behind the scenes

Monitoring Concepts

Understanding how to monitor your systems

Performance and Reliability

Measuring and improving network performance

Tools and Commands

Practical tools for network troubleshooting

Advanced Topics

Deep dives into complex networking concepts