a network is a connected collection of devices andend systems, such as computers and servers, which can communicate whith each other.
networks carry data in many types of environments, and large enterprise networks mayhave a number of locations that need to communicate with each others.
Based on where workers are situated, these locations are as follows.
main office: via network.and where most corporate.
a main office can have hundreds or even thousands of people who depend on network access to do their jobs.
a main office may use severalconnected networks, witch can span many floors in an office building or cover a campus that contains several buildings
Remote locations: a variety of remote access locationsuse networks to connect to the main office or to each other.
Branch offices: in branch offices, smaller groups of people work and communicate with each other via anetwork. Although some corporate information may be stored at a branch office, it is more likely that branch offices have local network resources, such as printers, but mustaccess information directly from the main office.
Home offices: when individuals work from home, the location is called home office. Home office workers often requireon demand connections to the main offices or branch offices to access information or to use network resources such as file servers.
mobile users: mobile users connectto the main office network while at the main office, at the branch office, or traveling. the location of the mobile users determines their network access requirements