The maximum magnification of light microscopes is usually Ã1500, and their maximum resolution is 200nm, due to the wavelength of light. An advantage of the light microscope is that it can be used to view a variety of samples, including whole living organisms or sections of larger plants and animals.
BES is typically deployed and managed within the enterprise by messaging administrators (for example, the individuals already responsible for managing Microsoft Exchange, Lotus Domino, or Novell GroupWise) or sometimes a dedicated IT person, usually called the BlackBerry or BES Administrator.
IS-IS (pronounced i-s i-s) is an interior gateway protocol, designed for use within an administrative domain or network. This is in contrast to exterior gateway protocols, primarily Border Gateway Protocol (BGP), which is used for routing between autonomous systems (RFC 1930). IS-IS is a link-state routing protocol, operating by reliably flooding link state information throughout a network of routers.