CompTIA Network+ Practice Test

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What type of location determination method is the least accurate?

GPS
802.11 wireless
IP address
Satellite data

The correct answer is: IP address

The method of location determination that is the least accurate is based on IP address. When a device connects to the internet, it is typically assigned an IP address that can sometimes provide a rough estimate of its geographical location. This estimation can be based on the location of the Internet Service Provider (ISP) or the routing infrastructure. However, this method can have substantial inaccuracies due to several factors, such as the ISP's aggregate location or users connecting from different regions (e.g., using a VPN). In contrast, Global Positioning System (GPS) technology uses satellites to determine the precise location of a device, usually to within a few meters under optimal conditions. Similarly, 802.11 wireless localization can provide more accurate location data by triangulating signals from multiple access points within range, allowing for better accuracy in indoor settings. Satellite data, much like GPS, is designed for high precision and can locate users accurately across vast distances. Considering these methodologies, IP address-based location determination often results in the broadest location estimates, making it the least accurate of the options provided.