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IP VPN业务包括:MPLS VPN三层、MPLS VPN两层(VPLS)、VLANVPN等。
A．错误
B．正确
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单选题What is the primary purpose of VPLS?（）A
to create a partial mesh of VPN sitesB
to remove MPLS from VPNsC
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单选题Which statement about the use of Route Target Rewrite is true？（）A
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单选题In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A
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None of above
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