Nội dung text Chapter-1 WC.pdf
Speed: Up to 1 Gbps Features: High-speed internet, HD video streaming, online gaming Advantages: Faster internet, better quality streaming, improved connectivity. Disadvantages: Expensive infrastructure, limited availability in some areas. 5G (Fifth Generation) Technology: Enhanced LTE, mmWave Introduced: Late 2010s Speed: Up to 10 Gbps Features: Ultra-fast internet, low latency, IoT support Advantages: Extremely high speed, real-time connectivity, supports smart cities and IoT. Disadvantages: Limited coverage, high cost of deployment, potential health concerns. define WLAN. also explain it with topology. keep the answer short and easy A WLAN (Wireless Local Area Network) allows devices like laptops, smartphones, and tablets to connect to the internet or communicate with each other wirelessly within a limited area, such as a home, office, or campus. It uses radio waves to transmit data, typically via a router or access point. WLAN Topology 1. Infrastructure Mode: Components: Access Points (APs) and devices (like laptops). Structure: Devices connect through a central AP, forming a star topology. Use: Common in homes and businesses. 2. Ad-Hoc Mode: Components: Devices only (no APs). Structure: Devices connect directly to each other, forming a peer-to-peer (mesh) topology. Use: Temporary networks, such as connecting laptops for file sharing. Advantages 3/9