Which two series of Cisco Catalyst switches， when placed in the distribution layer， effectively pass high amounts of network traffic between the core and access layers while aggregating access？ （）
- A、 Cisco Catalyst 2800
- B、 Cisco Catalyst 3550
- C、 Cisco Catalyst 3750
- D、 Cisco Catalyst 4500
- E、 Cisco Catalyst 6500
正确答案:D,E
答案解析:有
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