A Load Balancer distributes traffic across multiple servers to improve performance, stability, and scalability. Learn how load balancers work, popular algorithms, and implementation strategies.
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.
Learn what NTP (Network Time Protocol) is, how it works, stratum levels, how to configure an NTP Server, and its importance in network systems.
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.
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.
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.
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.
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.
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.
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.
