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多項(xiàng)選擇題

You are the Cisco Network Designer in Cisco.com. Which signal and noise values will result in the best phone communication with an access point?（）

A. signal strength 5dBm
B. signal strength 6dBm
C. noise level 4dBm
D. noise level 5dBm

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單項(xiàng)選擇題

Which enterprise caching mode eliminates the need for Layer 4 switches or WCCP enabled routers to intercept user requests?（）

A. transparent
B. proxy
C. reverse proxy
D. direct

多項(xiàng)選擇題

Which three Layer 2 access designs have all of their uplinks in an active state?（）

A. Flex Links
B. loop-free U
C. looped square
D. looped triangle
E. loop-free inverted U

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