"一源而三歧"指的是：A．冲、任、带三脉B．任、督、带三脉C．冲、任、督三脉D．冲、督、带三脉E．胞脉、胞络、肾

A.show memvlan

B.show flash：vlan

C.show vlan

D.show vlan.dat

A.delete vlan flash

B.clear vlan flash

C.clear flash：vlan.dat

D.delete flash：vlan.dat

S2126G交换机的管理VLAN号是：()

A.0

B.1

C.256

D.1024

S2126G交换机的默认管理VLAN号是：

A.0

B.1

C.256

D.1024

A.show flash：vlan

B.show vlan

C.show vlan.dat

D.show memvlan

A．256

B．1024

C．0

D．1

A．0

B．1

C．256

D．1024

A.write

B.copyrun star

C.write memory

D.copy vlan flash

S2126G交换机如何清空配置参数？()

A.erase star

B.delete run

C.delete flash:confi

D.del nvram