DRAG DROP
Match the correct equipment series on the left to the correct layer on the right.
Answer: 
Explanation:
CRS-1, CRS-3 – Core LayerASR 1000, ASR 9000, 7600 Series – Aggregation LayerASR 9000,
7600 Series, ME3800X, ASR 903 – Access LayerONS 15454, CPT Series – Optical Infrastructure
LayerCatalyst switches, Metro ethernet switches – Edge LayerCisco ISR routers – Customer
premises