This combination vaccine gives protection against three serious diseases: measles, mumps, and rubella. See more information about the safety of combination vaccines. Before the introduction of the MMR vaccine, all three diseases were extremely common. The majority of people had them at some point, usually as children.
Best Answer: WiFi and wireless networking are the same thing. It's basically a means of connecting to a computer network (such as the Internet) via a short-distance radio signal, removing the need for wires.
The first generation of wireless routers was âb,â followed by âg,â and now ânââthe newest generation. The primary difference among the router standards is speed (more on that in a bit) and range. You wonât find many âbâ routers available anymore (except on eBay, perhaps) because itâs old technology. If youâre currently using âbâ routers on your network, you should consider upgrading. Single band vs. Dual band. Wireless communications operate in two bandsâ2.4GHz and 5GHz. Routers based on 802.11b and 802.11g standardsâand some ânâ routersâuse the 2.4GHz band; however, the 802.11n standard allows wireless devices to use the 5GHz or 2.4GHz band.