Fundamental of Computer Networking
Section outline
-
-
Computer networking is the practice of connecting multiple computing devices—such as PCs, servers, routers, and IoT gadgets—to facilitate communication and resource sharing over wired or wireless links Think of networks as digital road systems where nodes (devices) exchange data via links, following agreed-upon rules called protocols
-
-
-
A network protocol is a standardized set of rules governing how data is formatted, transmitted, received, and interpreted across devices on a network. Think of it as the “language” that ensures different computers can understand each other—even with different hardware or software—and guarantees interoperability
-
Network Protocol?
A network protocol is a predefined set of rules and conventions that define how devices communicate over a network. These include:
-
Syntax: Data formats and signal levels.
-
Semantics: Meaning of each piece of data.
-
Timing: When data is sent and how long to wait for responses.
-
-
-
-
Networking technologies encompass the tools, protocols, devices, and architectures that enable computers and devices to connect, communicate, and share resources across various distances and environments These technologies form the foundational infrastructure of the internet, enterprise systems, smart homes, and cloud service
-
Networking technologies encompass the tools, protocols, devices, and architectures that enable computers and devices to connect, communicate, and share resources across various distances and environments These technologies form the foundational infrastructure of the internet, enterprise systems, smart homes, and cloud service
-
This feedback form is designed to collect students’ opinions on the Fundamentals of Networking course. It helps the lecturer to understand your learning experience, identify areas for improvement, and enhance the quality of teaching and course delivery. Your responses are anonymous, and your honest feedback is greatly appreciated.
-
-
-
Network Security Basics
1. Authentication & Encryption
-
Authentication verifies identities using passwords, tokens, or certificates to ensure only authorized users or devices gain access rusheelraj.pythonanywhere.com+13vocal.media+13trendmicro.com+13.
-
Encryption scrambles data to keep it confidential and ensure integrity:
-
Symmetric (e.g., AES): same key for encryption & decryption.
-
Asymmetric (e.g., RSA): uses public/private key pairs
-
-
-
-
Networking is rapidly evolving to meet the demands of increasingly digital and interconnected environments. Emerging trends in networking focus on enhancing speed, security, scalability, and flexibility. Here are some key developments shaping the future of networking: