【多选题】Which three commands are required to enable NTP authentication on a Cisco router? (Choose three)
E.
ntp authentication-key
【单选题】如图所示,电路元件及导线连接均完好,闭合开关 S 1 、 S 2 ,则
【判断题】无论是企业短期债务人,还是企业投资者、经营者,都希望流动比率越高越好。
【单选题】Which three commands can you use to set a router boot image? (Choose three.)
B.
Router(config)# boot system flash c4500-p-mz.121-20.bin
C.
Router(config)# boot system tftp c7300-js-mz.122-33.SB8a.bin
D.
Router(config)#boot system rom c7301-advipservicesk9-mz.124-24.T4.bin
E.
Router> boot flash:c180x-adventerprisek9-mz-124-6T.bin
F.
Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T.bin
G.
Router(config)#boot bootldr bootflash:c4500-jk9s-mz.122-23f.bin
【单选题】以动物形态上或解剖上的相似程度为基础的分类方法为:
【多选题】Which three commands must you enter to create a trunk that allows VLAN 20? (Choose three.)
A.
Switch(config-if)#switchport mode dynamic auto
B.
Switch(config-if)#switchport mode trunk
C.
Switch(config-if)#switchport trunk allowed vlan 20
D.
Switch(config-if)#switchport mode dynamic desirable
E.
Switch(config-if)#switchport trunk encapsulation dotlq
F.
Switch(config-if)#switchport trunk native vlan 20
【多选题】Which three commands can you use to set a router boot image? (Choose three.)
A.
Router(config)# boot system flash c4500-p-mz.121-20.bin
B.
Router(config)# boot system tftp c7300-js-mz.122-33.SB8a.bin
C.
Router(config)#boot system rom c7301-advipservicesk9-mz.124-24.T4.bin
D.
Router> boot flash:c180x-adventerprisek9-mz-124-6T.bin
E.
Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T.bin
F.
Router(config)#boot bootldr bootflash:c4500-jk9s-mz.122-23f.bin
【判断题】天然着色剂一般较难分散,染着性、着色剂间的相溶性较差。使用合成着色剂可以克服这些缺点。
【判断题】无论是企业短期债务人。还是企业投资者、经营者,都希望流动比率越高越好。( )