The influenza vaccine is unusual in that most years a different vaccine is made. Because strains of influenza virus that circulate in the community can differ from one season to the next, the vaccine must change to best protect against those different strains.
In VMware, switches are used to establish a connection between the virtual network and the physical network. With ESX and ESXi, two different kinds of switches can be used: standard switches and distributed switches.
Types of Expansion Cards & Buses . Sound & Graphics. Network Interface Cards (NIC) A Network Interface Card is a board or card that is inserted in your computer. This card allows you to connect to a network of servers.