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 than the other switches in the network haveB.Establish a direct link from the switch to all other switches in the networkC.Configure the switch full-duplex operation and configure the other switches for half-duplex operationD.Configure the switch so that it has lower priority than other switches in the networkE.None of the above
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问题:As a network administrator, you will need to decide on the appropriate network devices to use. Which of the following correctly describes the roles of devices in a WAN? (Choose three)A. A CSU/DSU terminates a digital local loop.B. A router is commonly considered a DCE device.C. A modem terminates an analog local loop.D. A router is commonly considered a DTE device.E. A modem terminates a digital local loop.F. A CSU/DSU terminates an analog local loop.G. A modem is used to terminate a T1
问题:在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()A.最高的OSPF进程IDB.最低的接口IP地址C.最低的接口开销D.路由器ID
问题:Which of the following services use TCP? (Choose three)A. DHCPB. SMTPC. SNMPD. FTPE. HTTPF. TFTP
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 mode active
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 administrator configure on the 2950 Catalyst switch to meet this policy? (Choose two)A.SWEzonexam1(config-if)# switchport port-security maximum 1B.SWEzonexam1(config)# mac-address-table secureC.SWEzonexam1(config)# access-list 10 permit ip hostD.SWEzonexam1(config-if)# switchport port-security violation shutdownE.SWEzonexam1(config-if)# ip access-group 10
问题:下列静态路由配置正确的是()A.iproute 192.168.1.1 255.255.255.0 serial0/0B.iproute 192.168.1.0/24 172.16.1.1C.iproute 192.168.1.0 255.255.255.0172.16.1.0D.iproute 192.168.1.0 255.255.255.0172.16.1.1
问题:配置寄存器设置0x2102给路由器提供了哪种功能?()A.让路由器进入ROM监视器模式B.提供了密码恢复功能C.让路由器在NVRAM中查找boot命令D.从TFTP服务器加载IOSE.加载存储在ROM中的IOS映像
问题:路由表中的直接路由(Direct)可能有以下几种来源()A.本路由器自身接口的主机路由B.本路由器自身接口所在的网段路由C.与本路由器直连的对端路由器的接口的主机路由D.缺省路由
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:Which of the following are VLAN frame. encapsulation types that may be configured on a Catalyst switch? (Choose two.)A. VTPB. ISLC. CDPD. 802.1QE. 802.1pF. LLC
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 more efficient than hubs in processing frames.E.Switches increase the number of collision domains in the network.
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.Flash, ROM, TFTP serverE.Flash, TFTP server, RAM
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: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.E.None of the above
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:As a CCNA candidate, you must know the various layers of the OSI model. At which layers of the OSI Model do Wide Area Networks operate in? (Choose two)A. Physical LayerB. Datalink LayerC. Network LayerD. Session LayerE. Transport LayerF. Presentation LayerG. Application Layer
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 of the above
问题:关于RIP协议,下列说法正确的有()A.RIP协议是一种IGPB.RIP协议是一种EGPC.RIP协议是一种距离矢量路由协议D.RIP协议是一种链路状态路由协议
问题:Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use?A.255.255.0.0.B.255.255.128.0.C.255.255.224.0.D.255.255.254.0.E.None of the above