单选题Which configuration command creates a virtual router called isp-1？（）A virtual-routerisp-1B virtual-routerISP-1C virtual-routerVRisp-1D virtual-routerVRISP-1
题目
单选题
Which configuration command creates a virtual router called isp-1？（）
A
virtual-routerisp-1
B
virtual-routerISP-1
C
virtual-routerVRisp-1
D
virtual-routerVRISP-1