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•Maintaining network connections during power management was
a problem in the past, but newer PCs are designed to maintain or re-enable
network connectivity when emerging from lower power states or being turned
off. This is most often achieved using Wake on LAN (WOL) technology — an
Ethernet networking standard that allows PCs to be "woken up" from
a lower power state after receiving a "magic packet" network
message. Alternatively, recent hardware improvements such as Intel vPro can offer
similar functionality without relying on the WOL standard.
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