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.
Top 6 Stages in Certificate Lifecycle Management Services
Digital certificates are electronic identification protocols used to check the identities of web users, computers, and other network members. Due to their purpose and function, digital certificates work like traditional ID cards, driver’s licenses, and passports. For instance, the respective authorities issue passports or IDs after verifying an individual. Likewise, certification authorities (CAs) issue digital...
CAPM vs PMP the most notable industry-recognized Certification
PMI’s PMP credential is the most notable industry-recognize Certification for design managers. Globally famous, admired, and often required, the PMP® Certification shows that you have the experience, knowledge, and competency to guide firmly and direct projects. This perception is seen through improve employer marketability and more enormous payrolls, and the PMP gives importance far into...
Advance Your Career By Grabbing Cisco CCNA Certification And Open The Door To Limitless Opportunities In The IT Sector
Are you wondering how useful the Cisco CCNA certification can be for your career progress? No need to guess because it will be the best decision for you if you want to become proficient in network fundamentals, IP services, network access, and security fundamentals. Adding this accreditation to your resume will provide you with a...
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...
Advanced Facts About the FRITZ!Box 7560 WiFi Mesh
Remote work and streaming both put sustained demand on a home router that older devices were never designed for, and the AVM FRITZ!Box 7560 was built specifically to handle DSL connections with that kind of everyday load in mind. Here’s what the device actually offers, and where its real-world performance depends on more than just...
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...