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多項(xiàng)選擇題

What two features in Cisco switches help prevent Layer 2 loops？（）

A.UniDirectional Link Detection
B.Hot Standby Router Protocol
C.Virtual Router Redundancy Protocol
D.PortFast
E.root guard
F.loop guard

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問(wèn)答題

【簡(jiǎn)答題】ipv6 Solicited-Node Multicast Address有什么作用，2個(gè)作用只要說(shuō)出一個(gè)？

答案： Solicited-Node Multicast Address：
（1） Re...

單項(xiàng)選擇題

Spanning Tree Protocol calculates path cost based on which of these？（）

A.interface bandwidth
B.interface delay
C.interface bandwidth and delay
D.hop count
E.bridge priority

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