Free CCNA | Network Devices | Day 1 | CCNA 200-301 Complete Course
Jeremy's IT Lab
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Jeremy’s IT Lab CCNA Day 1 introduces the fundamentals of networking for the 200-301 exam, explaining how clients and servers communicate and clarifying the core roles of switches, routers, and firewalls in connecting, segmenting, and securing LANs and the Internet.
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A client is a device that accesses a service made available by a server, and a server is a device that provides functions or services for clients.
—Jeremy's IT Lab

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