Free CompTIA Network+ N10-008 Practice Question

The 802.11n standard, also known as WiFi 4, should be implemented. It offers backward compatibility with 802.11g devices and can operate in both the 2.4 GHz and 5 GHz bands, providing flexibility and reduced interference. The key features include MIMO (Multiple Input Multiple Output) which enhances data rates and coverage by using multiple antennas, as well as support for a broader range of channels and data rates up to 600 Mbps compared to the 54 Mbps limitation of 802.11g.

802.11a is less suitable due to its limited range and lack of backward compatibility with 802.11g devices, making it inadequate for improving coverage in a large office. 802.11ac offers high data rates but requires a complete network overhaul and lacks backward compatibility with 2.4 GHz devices. 802.11b, while compatible with older devices, provides significantly lower performance and lacks the advanced features needed for better coverage and higher data rates. Therefore, 802.11n is the optimal choice for its improved performance, extended coverage, and backward compatibility.