World of Computer Networking Your CCNA start - Network Interface Controller (NIC)

The video tutorial covers the physical layer of the CPAP model, focusing on network interface cards (NICs) and their role in enabling communication between devices. It explains different types of NICs, including wired and wireless, and their installation in various devices like laptops, desktops, and network equipment such as switches and access points. The tutorial also discusses the importance of standardized ports and interfaces for connectivity and introduces the concept of MAC addresses as unique hardware identifiers for NICs.

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