Which of the following a correct example of a URL, https://www.google.com, www.https://.google.com, http://google.www, https://www.google, What is a LAN?, A network that covers the whole world, A network that links devices over a small area (e.g., a school), A website for sharing files, A type of cable, What is one advantage of a star topology?, A single cable fault can bring the whole network down, It needs no central device, Cheapest cabling overall, Easy to add or remove devices without affecting others, What does DNS do?, Blocks harmful websites, Compresses web pages, Converts domain names into IP addresses, Stores all internet history, Why is encryption used on networks?, To make data unreadable to unauthorised people, To increase Wi-Fi range, To hide the router’s IP address, To fix broken packets, Which statement about a bus topology is true?, It requires a central switch, It eliminates collisions, It has excellent fault tolerance, It needs terminators to prevent signal reflection, In a client–server network, the server mainly:, Randomly assigns files to users, Provides central services like logins and file storage, Lets every device control itself, Slows down the network, Fibre Optic transmits data using, Pulses of Light, Electrical Signals, Radio-Waves, Micro-Waves

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