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🔧 How to Block Windows 10 Updates Here are simple methods to control or pause automatic Windows 10 updates if you want more flexibility. 1. Pause Updates Temporarily Go to Settings > Update & Security > Windows Update → Click Pause updates (can pause up to 35 days). 2. Set Your Connection as Metered Go to Settings > Network & Internet > Wi-Fi (or Ethernet) → Select your network → Toggle Set as metered connection . Windows will limit updates. 3. Disable Windows Update Service Press Win + R , type services.msc , and hit Enter. Find Windows Update → Right-click → Properties → Set Startup type to Disabled → Stop the service. 4. Use Group Policy Editor (Pro editions only) Press Win + R , type gpedit.msc , and hit Enter. Navigate: Computer Configuration > Administrative Templates > Windows Components > Windows Update . Enable Configure Automatic Updates → Set it...

Windows • Update Notice Big news! Windows 10 support officially ends October 14, 2025 Before you panic, here’s what it actually means—and what you can do next. What will happen? Windows 10 will still work after 2025. No more security updates, bug fixes, or new features from Microsoft. Your PC may become more vulnerable to malware and targeted attacks over time. Should you upgrade? It’s not compulsory —you won’t be forced to switch overnight. If your PC supports Windows 11 , now is a great time to plan an upgrade. If it doesn’t, you can keep Windows 10 (with caution), consider new hardware , or try Linux if you’re adventurous. Why this matters Upgrading keeps you secure , future-proof , and compatible with modern apps and software. Nobody wants a vulnerable system, right? Friendly reminder The countdown has begun. Do...

Data Communications - Components, Packets, and Characteristics Data Communications Data communications refer to the process of transmitting data or information between two or more devices through a medium, such as cables, fiber optics, or wireless signals. The goal is to ensure accurate, secure, and efficient transfer of information. This process involves several components, protocols, and formats—most notably, data packets. Main Components of Data Communications 1. Message The actual data or information to be transmitted. Could be text, numbers, images, audio, or video. Can be raw (unformatted) or formatted according to specific standards. 2. Sender The device or node that originates the message. Examples: Computers, smartphones, IoT sensors, servers. 3. Receiver The device or node that receives the message. Examples: Another computer, printer, storage server, mobile phone. 4. Transmission Medium The physical or wireless path used to carry the data from ...

Network Redundancy – Why It Matters, Types, Protocols, and Best Practices Network Redundancy – Ensuring High Availability and Fault Tolerance Network redundancy is the inclusion of extra devices, links, or systems that act as backups when failures occur (hardware, links, or configuration errors). It is a core design principle for high availability , fault tolerance , and uninterrupted service. The idea is simple: if one path, device, or service fails, an alternative takes over immediately—minimizing downtime and preventing data loss. Redundancy is critical for enterprise networks, data centers, ISPs, financial institutions, healthcare , and any environment where outages have serious consequences. Why Redundancy Matters Without redundancy, a Single Point of Failure (SPOF) can bring down an entire network. Example 1: If a single core switch fails and there’s no backup, all connected devices lose connectivity. Example 2: If a fiber link between sites is d...

POLAN (Passive Optical LAN) – How It Works, Advantages, and Applications POLAN (Passive Optical LAN) – Technology, Benefits, and Applications Passive Optical LAN (POLAN) is a high-speed networking solution that uses fiber optic cables and passive optical components to deliver data, voice, and video services within a building or campus. It’s an adaptation of Passive Optical Network (PON) technology — widely used for fiber-to-the-home (FTTH) — but applied in enterprise, government, and campus environments. How POLAN Works Centralized Optical Line Terminal (OLT): Located in the main equipment room, the OLT connects to the service provider or core network. Single Optical Fiber Distribution: One fiber runs from the OLT through a passive optical splitter, dividing the signal into multiple paths without electrical power. Optical Network Terminals (ONTs) / Optical Network Units (ONUs): Placed near end-users, these convert optical signals into standard Ethernet for...

The Egyptian Space Agency Announces 2024 Launch Plans Key Highlights Dr Sherif Sedky, CEO of the Egyptian Space Agency, announced the launch of the African Development Satellite. Dr Sherif Sedky unveiled a project to install a remote-sensing camera on the ISS, supported by the United Nations Office for Outer Space Affairs (UNOOSA) and Airbus. SPINX is scheduled for launch by the end of 2024. The Chief Executive Officer of the Egyptian Space Agency, Dr Sherif Sedky has announced that the African Development Satellite, a collaborative project between Egypt, Kenya, Nigeria, and Uganda, is on track to be launched at the end of the year. Dr Sherif Sedky elaborated that the African Development Satellite focuses on climate change studies. Participating African countries—Egypt, Kenya, Nigeria, and Uganda—are jointly designing the satellite’s subsystems, with Egypt taking the lead on design, assembly, integration, testing, and launch. Each country is responsible for a specific...