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Episode 30: Networking Basics: Addressing, Ports, and Communication

August 18, 2025 · 13 min

Show notes

This episode covers the fundamental concepts of network communication, including IP addressing, MAC addresses, and port numbers. We explain how these identifiers allow devices to locate and communicate with each other across networks. The discussion also includes the basics of protocols, network models, and common network services such as secure web browsing, file transfer, and email.

In addition, we explore real-world examples that demonstrate how addressing and ports work together, such as directing traffic to specific applications or devices. Understanding these fundamentals is essential for interpreting network diagrams, troubleshooting connectivity issues, and answering exam questions related to networking concepts. Produced by BareMetalCyber.com, where you’ll find more cyber prepcasts, books, and information to strengthen your certification path.

All episodes of Certified – CompTIA Tech+ Audio Course

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