XNS Xerox Network System (Xerox Corp.)
Y2K Year 2000
YAG Yttrium-Aluminum-Garnet
YB Yottabyte(1,000,000,000,000,000,000,000,000 bytes)
ZB Zettabyte (1,000,000,000,000,000,000,000 bytes)
Acronyms in networking starting with 'X,Y and Z'
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