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单选题

5、An administrator is asked to segregate virtual machine (VM) traffic by VLAN on a vSphere standard switch The following requirements must be met: •VLAN ID on the switch port group must be 4095. •VLAN tagging must be done at the VM level.Which tagging mode is required?

A
 External Switch Tagging (EST)
B
 None
C
 Virtual Guest Tagging (VGT)
D
 Virtual Switch Tagging (VST)

答案解析

正确答案:C

解析:

解析:The tagging mode that is required is Virtual Guest Tagging (VGT), which allows VLAN tagging to be done at the VM level. VGT requires that the VLAN ID on the switch port group be set to 4095, which is a special value that indicates that packets from all VLANs are allowed to pass through. References:所需的标记模式是虚拟来宾标记(VGT),它允许在虚拟机级别完成VLAN标记。VGT要求交换机端口组上的VLAN ID设置为4095,这是一个特殊值,表示允许来自所有VLAN的数据包通过。
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