Posted by: Pdfprep
Post Date: November 21, 2020
Which statement is true about WANs?
A . Switches or concentrators often relay information through the WA
C . WANs typically encompass broad geographic areas.
D . In general, WAN technologies function at the middle three layers of the Open System Interconnection (OSI) model.
E . Users of WANs do not typically own all transmission facilities.
Answer: B
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