Home » Cisco » 200-125 » Which switching method duplicates the first six bytes of a frame before making a switching decision?
Which switching method duplicates the first six bytes of a frame before making a switching decision?
A. fragment-free switching
B. store and-forward switching
C. cut through switching
D. ASIC switching
Answer: C
Explanation:
Cut and Through method has lowest latency. In this method Switch only read first six bytes from frame after the preamble. These six bytes are the destination address of frame. This is the fastest method of switching. This method also processes invalid frames. Only advantage of this method is speed.
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Thanks for the explanation… here we have one underwater rock… fragment-free switching buffers the first 64 bytes of the frame… And this explanation corrects our attention piont….. Thanks…