Nizam Ud Deen
Muhammad Nizam Ud Deen Usman is the founder of theCoreiTech and the author of The Local SEO Cosmos. He has worked in search since 2014 as an SEO consultant for eCommerce stores and local businesses, specialising in eCommerce SEO, local SEO and technical SEO, and runs SEO Academy and the SEO Community from Multan, Pakistan. He also founded ORM Digital Solutions, a digital agency serving medium and large businesses, and holds a degree from the University of Education, Lahore (Multan Campus). Plerdy lists him among its Best 20+ SEO Experts in Pakistan. Nizam started theCoreiTech in 2012 to make computers easier to understand and use for everyone. More of his work is at nizamuddeen.com.
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Computer Networking & Internet
Wi-Fi Frequency Bands: 2.4GHz vs 5GHz vs 6GHz
Wi-Fi frequency bands explained: 2.4 GHz, 5 GHz, and 6 GHz compared on range, speed, congestion, channels, and band steering,…
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Computer Networking & Internet
What Is a Mesh Network?
A mesh network is a system of nodes that blanket a home in seamless Wi-Fi. Learn how mesh works through…
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Computer Networking & Internet
What Is Network Bandwidth?
Network bandwidth is the maximum data transfer rate of a connection in bits per second. Learn bandwidth vs throughput, Mbps…
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Computer Networking & Internet
What Is Network Latency?
Network latency is the time delay for data to travel across a network, measured in milliseconds. Learn ping and round-trip…
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Computer Networking & Internet
Wired vs Wireless Networking: Which Is Better?
Wired vs wireless networking compared: Ethernet versus Wi-Fi on speed, latency, reliability, security, and convenience, with a comparison table and…
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Computer Networking & Internet
What Is DHCP?
What is DHCP: the protocol that automatically assigns IP addresses to devices, explained with the DORA process, leases, the DHCP…
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Computer Networking & Internet
What Are Network Ports?
What are network ports: the numbered endpoints that direct traffic to the right service, explained with common port numbers, TCP/UDP,…
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Computer Networking & Internet
What Is Network Attached Storage (NAS)?
What is network attached storage: a dedicated storage device connected to a network for shared file access, explained with how…
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Computer Networking & Internet
What Is Network Security?
What is network security: the practices and tools that protect a network from threats, including firewalls, encryption, access control, and…
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Computer Networking & Internet
Hardware vs Software Firewall: What’s the Difference?
Hardware vs software firewall compared: where each runs, what it protects, performance, and cost to understand which firewall type fits…
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Computer Networking & Internet
WPA2 vs WPA3: Wi-Fi Security Compared
WPA2 vs WPA3 compared: how the two Wi-Fi security protocols differ in encryption, authentication, and protection against attacks, and which…
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Computer Networking & Internet
Common Network Attacks Explained
Common network attacks explained: DDoS, man-in-the-middle, packet sniffing, spoofing, and DNS attacks, with how each works and how to defend…
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Computer Networking & Internet
What Is Cloud Networking?
What is cloud networking: hosting network resources and management in the cloud explained, including SDN, virtual networks, benefits, and common…
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Computer Networking & Internet
What Is a CDN?
What is a CDN: a network of servers that delivers web content from locations near users explained, including how CDNs…
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Computer Networking & Internet
What Is a VLAN?
What is a VLAN: a virtual LAN that segments one physical network into isolated logical networks explained, including how VLANs…
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Computer Networking & Internet
What Is NAT (Network Address Translation)?
What is NAT: network address translation that lets many devices share one public IP explained, including how NAT works, types,…
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Computer Networking & Internet
What Is Network Monitoring?
Network monitoring is the continuous tracking of a network's health, covering the metrics it measures, protocols such as SNMP and…
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Computer Networking & Internet
VPN vs Proxy: What’s the Difference?
VPN vs proxy compared across encryption, scope, speed, privacy, and security, with the four proxy types and clear guidance on…
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Computer Networking & Internet
What Is a DMZ in Networking?
A DMZ in networking is a perimeter subnet that exposes public servers while isolating the internal LAN, covering firewall designs,…
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Computer Networking & Internet
Computer Networking Guide: How Networks Work
A complete guide to computer networking: fundamentals, devices, home networking, security, and cloud topics, with 37 in-depth articles.
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Computer Networking & Internet
What Is a Router?
A router forwards data packets between networks by reading destination IP addresses. Learn how routing works, what a home router…
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Computer Security
What Is Ransomware?
What is ransomware: malware that encrypts files and demands payment explained, including how it works, major examples, and how to…
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Computer Security
What Is a Cyberattack?
What is a cyberattack: a deliberate attempt to breach or damage a computer system explained, including the main types, motives,…
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Computer Security
What Is Social Engineering?
What is social engineering: manipulating people into giving up information or access explained, including common tactics, real examples, and how…
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