以下哪一组命令用于完成创建VLAN 20,并将某个端口作为接入端口分配给VLAN 20的过程()
A. Switch(config)#vlan 20Switch(config)#Interface gig x/ySwitch(config-if)#switchport access vlan 20
B. Switch(config)#Interface gig x/ySwitch(config-if)#vlan 20Switch(config-vlan)#switchport access vlan 20
C. Switch(config)#vlan 20Switch(config)#Interface vlan 20Switch(config-if)#switchport trunk native vlan 20
D. Switch(config)#vlan 20Switch(config)#Interface vlan 20Switch(config-if)#switchport access vlan 20
__ mistakes and weaknesses, it did a great deal of good work inside the trade union()
A. No matter what
B. Although
C. In spite
Despite
运行下列程序代码,运行结果可以画一个半圆的是()
A. import turtle
B. turtle.circle(100,180)
C. B.import turtle
D. turtle.circle(180,100)
E. C.import turtle
F. turtle.circle(100,270)
G. D.import turtle
H. turtle.circle(270,100)
运行下列程序代码,运行结果不能画一条直线段的是()
A. import turtle
B. turtle.forward(100)
C. B.import turtle
D. turtle.for(100)
E. C.import turtle
F. turtle.backward(100)
G. D.import turtle
H. turtle.back(100)