The 802.11 standard has many variants including 802.11g, 802.11n single band, 802.11 dual band, 802.11ac, and 802.11ad. 802.11g is obsolete and it is still widely used. A) What are the advantages and disadvantages (comparison) of all of these wireless transmission standards? B) Why are obsolete standards still being used?

Ethernet is not the most reliable method of network transmission, but it is the most common standard. Wireless is not the most efficient method of network transmission, but it is the most convenient. Cloud computing is not the most secure method of sharing information but it is the most accepted for mobile devices. Explain why you believe these technologies are adopted when there are other more reliable, efficient, and secure methods of transmitting and sharing information.