Mohammed Arbaz Ahmed
Mohammed Arbaz Ahmed
Stuck troubleshooting why your network link won’t come up, or confused about which cable to use for a server rack installation? Understanding how devices connect—from simple sensors to enterprise servers—across various physical media is the foundation of effective network support.…
Every email you send travels through a complex choreography of protocols and ports, each serving a specific purpose in the journey from your computer to the recipient’s inbox. While web-based Gmail and Yahoo accounts hide this complexity behind HTTPS connections,…
Billions of devices communicate across the internet every second, yet most users never consider the invisible addressing system making these connections possible. While local networks use MAC addresses to identify hardware, global communication requires a more flexible system: IP addresses and the…
Every time you type a website address into your browser, a critical decision happens in milliseconds: should this connection use HTTP or HTTPS? This choice determines whether your passwords, credit card numbers, and personal information travel across the internet in…
Every time you browse a website, stream a video, or send an email, network protocols work behind the scenes to deliver data packets from your computer to remote servers. Two protocols dominate this traffic: TCP (Transmission Control Protocol) and UDP (User Datagram Protocol).…
In this reading, you will learn about various methods and tools for connecting remotely. You will also learn about some of the security risks related to using remote connections. Remote connections can be used by IT Support professionals to troubleshoot…
Master the foundational framework that enables all internet communication and data transfer META INFORMATION Description: Learn networking fundamentals using the TCP/IP 5-layer model. Understand physical cables, MAC addresses, Ethernet, routers, and how networks communicate.Target Audience: IT beginners, system administrators, network…
Understanding the complete history of SSL/TLS protocol versions and why version matters for security Meta Information Description: Learn about SSL and TLS protocol versions—from SSL 1.0 to TLS 1.3. Understand version history, security improvements, and why version choice matters.Target Audience: IT professionals,…
Understanding how SSL/TLS prevent replay attacks and deny dishonest senders an escape route Meta Information Description: Learn how anti-replay and non-repudiation work in SSL Discover why these advanced security properties matter and how they build on integrity and authentication.Target Audience: IT professionals,…
Understanding the three cryptographic pillars that make secure internet communication possible Meta Information Description: Learn how SSL/TLS protects data through confidentiality, integrity, and authentication. Deep dive into the cryptographic mechanisms securing internet communication.Target Audience: IT professionals, developers, security professionals, students, network administratorsReading…