Which type of switching is considered to be 'wire speed?'
A.) Cut-Through
B.) Multiplexed
C.) Inverted
D.) Layer 4
E.) Store and Forward
F.) Layer 3
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Answer: A
Cut-Through is the fastest mode of switching. Store and
Forward reads in
the entire frame, confirms the frame is valid, and then
forwards the
frame onto the wire. Cut-Through only checks the destination
header in
the frame and immediately forwards the frame onto the wire,
without
checking the frame to be valid. Layer-3 switching is
actually routing.
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