Assume that the router has learnt the best route to the same destination by using RIP, OSPF and Static Route respectively. By default, the Huawei router will select the route learnt via ( ) as the best route.

• A.RIP
• B.Static route
• C.RIPv2
• D.OSPF

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The load balancing modes of the two ends of the Eth-Trunk can be inconsistent.

• A.FALSE
• B.TRUE

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Which of the following statements about link aggregation are true?

• A.GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trunk interface.
• B.Devices at both ends of an Eth-Trunk must use the same link aggregation mode.
• C.GE interfaces and FE interfaces cannot be added to the same Eth-Trunk interface.
• D.Eth-Trunk interfaces cannot be nested.

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when delete a VLAN, the following statements is correct ().

• A.Members of the VLAN port becomes non-active state
• B.When there is VLAN routing interfaces (Vlanif interface), you must first delete the corresponding Vlanif be deleted after the VLAN interfaces
• C.The network administrator can view the global delete VLAN or VLAN view
• D.must be a member of the VLAN port assignments to other VLAN, you can delete the original VLAN

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Which of the following problems may emerge when a loop exists on a router? (Multiple Choice)

• A.Increased packet size.
• B.tntinite packet forwarding.
• C.increased memory usage.
• D.Continuous change of destination LP addresses of packets.
• E.Increased CPU usage.

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