单项选择题

A remote host can be pinged from all switches except one.
Which of the following is the most likely reason for this failure？（）

A.VTP pruning has isolated the switch.
B.IP routing is disabled on the switch.
C.PoE is failing on the remote port.
D.There is a loop in the topology.

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单项选择题

What is the result of entering the command spanning-tree loopguard default？（）

A.The command enables both loop guard and root guard.
B.The command changes the status of loop guard from the default of disabled to enabled.
C.The command activates loop guard on point-to-multipoint links in the switched network.
D.The command will disable EtherChannel guard.

单项选择题

What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link？（）

A.Packets are distributed across the ports in the channel based on both the source and destination MAC addresses.
B.Packets are distributed across the ports in the channel based on both the source and destination IP addresses.
C.Packets are balanced across the ports in the channel based first on the source MAC address， then on the destination MAC address， then on the IP address.
D.Packets are distributed across the access ports in the channel based first on the source IP address and then the destination IP addresses.

多项选择题

Which three of the following are organizational objectives that should be addressed when developing a new VLAN implementation plan？（）

A.network management
B.improving QoS
C.determining budget
D.reducing costs
E.increasing competitiveness
F.improving customer support

A remote host can be pinged from all switches except one. Which of the following is the most likely reason for this failure？（）

相关考题

A remote host can be pinged from all switches except one.
Which of the following is the most likely reason for this failure？（）