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單項(xiàng)選擇題

What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）

A. bandwidth
B. delay
C. load
D. reliability

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單項(xiàng)選擇題

When configuring a serial interface on a router, what is the default encapsulation?（）

A. atm-dxi
B. frame-relay
C. hdlc
D. lapb
E. ppp

單項(xiàng)選擇題

Which command displays CPU utilization?（）

A. show protocols
B. show process
C. show system
D. show version

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