当前分类： 思科认证
问题：On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)A. The destination host sends a request to the source for retransmission.B....
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问题：要启用LACP,可将EtherChannel模式设置为下面哪两种之一?() A.OnB.PreventC.PassiveD.AutoE.ActiveF.Desirable...
问题：要安装RTU许可证以使用评估版功能,可使用哪个命令?() A.install Right-To-Use license feature featureB.install temporary feature featureC.license install featureD.license boot module...
问题：Which fields are included in the TCP header? (Choose three).A. Source PortB. Acknowledgement NumberC. Request NumberD. Destination AddressE. WindowF. Data...
问题：Which one of the following characteristics is true regarding the use of hubs and switches?A．Hubs can have their ports be configured with VLANsB．Using hubs is costly with regard to bandwidth availability.C．Switches can not forward broadcasts.D．Switches are...
问题：以下哪一项不是有关虚电路交换方式的正确描述。() A.分组需要包含虚电路标识符B.某条虚电路对应的转发项只给出该虚电路经过的两个端口之间的关联C.虚电路标识符用于建立终端间传输路径与终端间传输的数据之间的绑定D.虚电路是指终端间传输路径...
问题：对于路由表，下列说法中正确的是：（）A.在缺省的情况下，如果一台路由器同时运行了RIP和OSPF两种动态路由协议，则在路由表中只会显示RIP发现的路由，因为RIP协议的优先级更高B.在缺省的情况下，如果一台路由器同时运行了RIP和OSPF两种动态路由协议，则在路由表中只会显示OSPF发现的路由，因为OSPF协议的优先级更高C.在缺省的情况下，如果一台路由器同时运行了RIP和OSPF两种动态路由协议，则在路由表中只会显示RIP发现的路由，因为RIP协议的花费值（metric）更小D.在缺省的情况下，如果一台...
问题：Which of the following are true of Ethernet technology?A．Hosts use a logical ring topology.B．Hosts use a logical bus topologyC．Hosts must wait for an electronic signal to transfer data.D．Hosts are directly connected to a wiring concentrator called a MSAU....
问题：The Ezonexam network administrator needs to a switch named VE1 to become the root bridge for a redundant path switched network. What can be done to ensure that VE1 will always assume the role as the root bridge?A．Assign the switch a higher MAC address tha...
问题：要启用LACP并将交换机端口加入端口信道1,可使用下面哪两个命令之一?() A.Switch(config)#interface port-channel1B.Switch(config)#channel-group 1 mode activeC.Switch#interface port-channel 1D.Switch(config-if)#channel-group 1 m...
问题：下列命令中，无法正确执行的是（）A.Router(config)show runB.Routerping 127.0.0.1C.Router(config)hostname ciscoD.Routerreload...
问题：路由器上激活端口的命令是（）A.shutdownB.no shutdownC.upD.noup...
问题：扩展ACL和标准ACL的区别（）。A.标准的ACL在禁止和允许方面比扩展的ACL更高的精度B.扩展的ACL核查数据包的源地址和目标地址和端口号C.他们都可以查端口号D.他们都可以查特殊协议和其他参数...
问题：During the boot sequence, a Ezonexam 2800 series router needs to locate and load an operating system. What is the default order the router uses to find an operating system?A．ROM, TFTP server, FlashB．Flash, TFTP server, ROMC．Flash, NVRAM, TFTP serverD．Flas...
问题：The network security policy for Ezonexam requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should be automatically disabled. Which two commands must the Ezonexam network admi...
问题：影响OSPF两台路由器不能形成邻居的因素有哪一些（）。A.区域ID不同B.认证配置不同C.HELLO时间不同D.OSPF进程号不同...
问题：配置LACP时,在要使用的接口上必须将哪三个参数配置得完全相同?() A.虚拟MAC地址B.端口速度C.双工模式D.PortFastE.VLAN信息...
问题：RIP路由在()时间内没有收到更新会标记为不可达路由()A.90sB.120sC.180sD.240s...
问题：Ezonexam has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?A．255.255.255.192B．255.255.255.224C．255.255.255.240D．255.255.255.248E．None ...
