Networking
What is a Load Balancer? Understanding Load Balancing and How It Works
A Load Balancer distributes traffic across multiple servers to improve performance, stability, and scalability. Learn how load balancers work, popular algorithms, and implementation strategies.
What is a Kernel? Introduction to Kernels in Operating Systems
Learn what a Kernel is, its role in operating systems, popular kernel types (Monolithic, Micro, Hybrid), and a comparison of Kernel Mode vs User Mode.
What is NTP? Understanding Network Time Protocol and Its Importance
Learn what NTP (Network Time Protocol) is, how it works, stratum levels, how to configure an NTP Server, and its importance in network systems.
What is SSH? Functions and How the SSH Protocol Works
Learn what SSH (Secure Shell) is, how it works, encryption methods, comparison with SSL/TLS and Telnet, and guides to connect via SSH on Linux and Windows.
What is FTP? A Basic Guide to File Transfer Protocol
Learn what FTP (File Transfer Protocol) is, how it works, Active vs Passive Mode comparison, how to set up an FTP server on Windows and Linux, and FTPS/FTPES secure protocols.
What is DHCP? Overview of the IP Address Assignment Protocol
Learn what DHCP (Dynamic Host Configuration Protocol) is, how the 4-step Discover-Offer-Request-Acknowledge process works, its advantages and disadvantages, security threats, and effective countermeasures.
What is TCP/IP? Functions and How TCP/IP Works
Learn what TCP/IP is, the 4-layer model (Application, Transport, Internet, Physical), the roles of TCP and IP, comparison with the OSI model, and popular protocols like HTTP/HTTPS/FTP.
What is UDP? Features and Applications of the UDP Protocol
Learn what UDP (User Datagram Protocol) is, how it works, its 8-byte header structure, pros and cons compared to TCP, and applications in streaming, gaming, VoIP, and DNS.
What is Telnet? A Complete Overview of Telnet and Its Applications
Learn what Telnet is, how it works via port 23, its pros and cons, and comparison with SSH. Guide to installing Telnet on Windows and 10 essential Telnet commands.
What is RTP? A Detailed Guide to the Real-time Transport Protocol
Learn what RTP (Real-time Transport Protocol) is, its header structure, how it works with RTCP. Advantages, disadvantages, and applications in VoIP, video streaming, and video conferencing.