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IP-like services. UDP packets are delivered just like IP packets –
connection-less datagrams that may be discarded before reaching their
targets. UDP is useful when TCP would be too complex, too slow, or
just unnecessary.
Virtual LAN (VLAN)
A Virtual LAN is a collection of network nodes that share the same
collision domain regardless of their physical location or connection
point in the network. A VLAN serves as a logical workgroup with no
physical barriers, and allows users to share information and resources as
though located on the same LAN.
XModem
A protocol used to transfer files between devices. Data is grouped in
128-byte blocks and error-corrected.
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