Mujtaba Khattak
Mujtaba Khattak is a network solutions architect specializing in SD-WAN, cloud infrastructure, and network optimization. He holds a BS in Artificial Intelligence from SZABIST, an MBA from Virtual University (VU), and Cisco certifications (CCNA and CCNP). As the founder of NetworkUstad.com, He produce technical guides and tutorials on networking, cybersecurity, and AI applications.
Some Cosmetic Box Ideas That You Can Share With Your Friends
The Tier 1 NOC engineer stared at a dashboard showing 94% interface utilization on the core switch stack. The immediate fix was a QoS policy that rate-limited Instagram and TikTok traffic to 2 Mbps per user. The executive team praised the “network optimization.” In reality, nothing was optimized — the congestion merely became less visible...
Why is technology important in your direct-selling business?
In today’s digital age, technology plays a vital role in the success of any business, including direct-selling. With the rise of online shopping and social media, direct-selling companies must adapt and leverage technology to stay competitive. In this article, we’ll explore the importance of technology in direct-selling and how it can help you grow your...
How Stay At A Halfway House Should Be Like?
A halfway house in networking isn’t what most IT professionals think it is. Ask a CCNA candidate what sits between a standard Layer 2 switch and a full Layer 3 router, and they’ll describe a device that does a bit of both but excels at neither. That conceptual gray zone is exactly where the term...
Get some advanced facts about Fritz Box 7560 WiFi Mesh
We are discuss about Fritz Box 7560 WiFi Mesh device. Today’s our whole world is streaming more than ever and they use the internet more than necessary. All the people bring their favorite series to your homes, apart from this it is also to watch their favorite discovering channel, an exciting documentary movie, or streaming...
Frame Relay Encapsulation Explained
Frame Relay operates at the Data Link Layer of the OSI model. It takes packets from the layer above, wraps them in a Frame Relay frame, and hands that frame down to the physical layer for delivery. Understanding this encapsulation process is the key to understanding how Frame Relay actually works. The Encapsulation Process The...
Multiple Virtual Circuits: Sharing One Physical Line Across Many Destinations
Frame Relay is a multiplexing technique, and one of its most practically important capabilities is running multiple virtual circuits over a single physical line. A Frame Relay Access Device (FRAD) — typically a router connected to the Frame Relay network — can maintain multiple virtual circuits linking it to different remote endpoints, all through one...
Password Authentication Protocol (PAP): How It Works, Configuration, and Why It’s Insecure
Point-to-Point Protocol (PPP) supports several optional features, and one of the most important is authentication. Authentication lets a router verify the identity of the device on the other end of a link before allowing traffic to pass. By default, PPP authentication is not enabled, but you can turn it on using one of two protocols:...
What Is a Parallel Port? History, Pinout, and How It Works
Parallel ports are typically used for connecting printers, and historically for other peripherals that needed relatively high throughput for their era. The port is also used for interconnection between internal components within some devices. A parallel port transmits multiple bits simultaneously over multiple wires, in contrast to a serial port, which sends one bit at...
Wireless Internet: Wi-Fi, WiMAX, Satellite, and Cellular Explained
Wireless internet uses radio waves instead of physical wires to connect a personal computer, laptop, smartphone, or other device to the Internet. Early wireless technologies lacked the high speed of broadband connections like cable and DSL, but modern wireless technologies have largely closed that gap, and in some cases surpassed it. Wireless Internet Service Providers...
What Is Frame Relay? A Complete CCNA Guide
Frame Relay is a packet-switching telecommunication service designed for interconnecting enterprise LANs over a wide area network. It’s a Layer 2, non-broadcast multi-access (NBMA) WAN technology that allows a single serial interface on a router to connect to multiple remote sites using permanent virtual circuits (PVCs) or, less commonly, switched virtual circuits (SVCs). Though largely...