如果网络管理员在交换机上输入以下命令,会有什么结果?Switch1(config-line)# line console 0 Switch1(config-line)# password cisco Switch1(config-line)# login ()
https://assets.asklib.com/images/image2/2018072518013521434.jpg 请参见图示。Switch1在默认的Cisco 2960配置基础上仅添加了如下命令: https://assets.asklib.com/images/image2/2018072518015949422.jpg 假设网络间的路由运行正常且 Switch2 已正确配置了远程访问功能。当在 Switch1 的特权模式下输入telnet 10.0.2.2命令时会产生什么结果?()
100Ω电阻与10μF电容器串联,接在50Hz的电路中,当电流等于0.6A时,求UR、UC及U各是多少?
he network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem?()
Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2?() https://assets.asklib.com/images/image2/2018073109354514482.jpg
The network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem?()
The network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem? ()
根据下图,Switch1刚刚完成重启,并完成上电自检。HostA发送它的第一个侦到HostC,交换机首先会对switching table做什么操作()https://assets.asklib.com/images/image2/2018072311174167979.png
以下温度值是Switch1.5MW变流器机组主控检查的温度有()
有一电阻R=10kΩ和电容C=0.637μF的电阻电容串联电路,接在电压U=224V,频率f=50Hz的电源上,试求该电路中的电流I及电容两端的电压UC。
Refer to the exhibit.Which two statements are true of the interfaces on switch1?()https://assets.asklib.com/images/image2/2018072317352180279.jpg
请参见图示。网络管理员刚将 VLAN 50 添加到 Switch1 和 Switch2,并在子网 10.1.50.0/24 范围内为主机分配了属于 VLAN 的 IP 地址。计算机 A 可与计算机 B 通信,但无法与计算机 C 或计算机 D 通信。此问题最可能的原因是什么?()https://assets.asklib.com/images/image2/2018052515574376196.jpg
Refer to the exhibit.Which two statements are true of the interfaces on switch1?()https://assets.asklib.com/images/image2/2018072314231722952.jpg
C1=2μF/160V,C2=10μF/250V。将它们串联起来,接在300V直流电源上()。
1μF与2μF的电容器串联后接在30V的电源上,则lμF的电容器的端电压为()。
把L为0.1H的电感线圈接在u为220V,f为50Hx的交流电源上,则感抗XL、电流I的值符合下列选项()
设有一线圈,其电阻可忽略不计,电感L=0.035H,接在电压UL=220V、频率f=50Hz的交流电源上,则感抗为()Ω。
已知一电容器C=20μF,接在频率f=50Hz、电压U=220V的交流电路中,求通过电容器的电流I是多少?
有一感性负载的功率P=75kW,cosφ=0.6,接在380V.50Hz的交流电源上,若在负载两端并联一组1100μF的电容器,则电路中的电流为()。
将下列右边的展开图()折叠后。可以得到左边的图。<img src='https://img2.soutiyun.com/ask/uploadfile/4329001-4332000/4316f0b4aa557f979c7ea0408f0dfb24.jpg' />
C1=2μF/160V,C2=10μF/250V。将它们串联起来,接在300V直流电源上()。
请参见图示。Switch1 已正确配置图中所示 VLAN。图示配置被应用于 RTA,旨在使连接到 Switch1 的主机之间获得 VLAN 间连通性。管理员在测试网络后记录的报告如下: 每个 VLAN 中的主机可以相互通信。 VLAN5 中的主机能与 VLAN33 中的主机彼此通信。 通过 Fa0/5 连接到 Fa0/1 的主机无法与其它 VLAN 中的主机连通。 通过 Fa0/5 连接到 Fa0