Networks are often classified as a local area network (LAN), a global network (WAN), Metropolitan Area Network (MAN), Personal Area Network (PAN), virtual private networks (VPN), Campus Area Network (CAN), Storage Area Network (SAN) and others, depending on their size, scope and objectives. Use, self-confidence and access rights, which vary between these types of networks - such as local networks are typically designed for internal use by the internal systems of the organization and employees in different physical locations (eg construction), while the WAN can connect to physically separate parts of the organization together and may contain links to third parties.
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