Jetking Notes Of Hardware And Networking Pdf Full [better]

The hardware and networking curriculum, popularized by institutions like Jetking, covers the entire lifecycle of a computer system—from basic electronics and physical assembly to complex server administration and cloud integration

The Open Systems Interconnection (OSI) reference model standardizes network communications into seven distinct conceptual layers. Layer Number Layer Name Primary Function Common Protocols / Equipment Application Network services to end-user applications HTTP, HTTPS, FTP, SMTP, DNS 6 Presentation Data representation, encryption, and compression SSL/TLS, JPEG, ASCII 5 Manages, establishes, and terminates sessions NetBIOS, RPC, PPTP 4 End-to-end connection control and reliability 3 Logical addressing and routing of packets IP, ICMP, Routers 2 Physical addressing and media access control Ethernet, MAC Addresses, Switches 1 Transmission of raw bit streams over physical media Cables, Hubs, Fiber Optics 5. IP Addressing and Subnetting jetking notes of hardware and networking pdf full