Networking
CCNA tutorials, Cisco guides, and enterprise networking insights for IT professionals.
ہواوے سمارٹ فون استعمال کرنے والوں کیلئے بری خبر
Huawei shipped 1.14 million 5G base stations globally before US sanctions forced a complete silicon redesign of its carrier-grade portfolio. That number — drawn from the company’s own 2025 annual report filings — captures the paradox at the center of any serious discussion about the Chinese networking giant. It is simultaneously the most sanctioned technology...
Network Protocols Explained: TCP, IP, HTTP, DNS, and More
When two people talk, they don’t need to follow rigid grammar rules to understand each other. Computers aren’t so forgiving. If two computers want to communicate, they need to agree, in advance, on exactly how information will be exchanged and exactly what format it’ll take. That agreement is called a network protocol. Protocols are standardized,...
What Are the Hazards of Copper Media?
Copper cabling carries real risk. Not catastrophic, day-to-day risk, but real enough that building codes, safety standards, and installation practices all exist specifically to manage it. Every type of copper cable is vulnerable to two categories of hazard: fire and electrical. Understanding both, and the specific standards built around them, is genuinely useful knowledge for...