exit
configure
edit
cli
单选题You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state. What must be true in an SVI configuration to bring the VLAN and line protocol up？（）A The port must be physically connected to another Layer 3 device.B At least one port in VLAN 20 must be active.C The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.D Because this is a virtual interface， the operational status will always be in an up/up state.
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单选题You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?（）A enableB configureC editD cli
单选题Which command do you use to go from the shell prompt to the CLI prompt?（）A run cliB cliC start cliD edit
单选题You have just installed a new web server on the Testking network. You are required to ensure that the web server is accessible from the Internet. The network uses private addressing, so an IP-to-registered address mapping is required.To do this, you enter the following command:TestKing(config)# ip nat inside source static 192.168.2.1 198.18.1.254 You unsuccessfully try to ping the Internet from a PC host on the LAN. During the troubleshooting process, you enter the "show ip nat translations" command but the output is blank. What is the most likely cause of the problem?（）A The keyword overload is missing from the command.B The NAT pool must be defined first.C An access list must be defined to create static NAT translations.D The interfaces must be configured for NAT.E None of the above
单选题What must you type to enter operational mode from the root@% command prompt?（）A exitB configureC editD cli
单选题Which command prompt indicates that you are in operational mode?（）A user@router&B user@router#C user@router%D user@router>
单选题You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. You need to update six high-visibility servers with critical updates by using Windows Server Update Services （WSUS）. You approve all of the updates. You need to ensure that the updates are applied within one hour. What should you do？（）A On the WSUS server， type the gpupdate /force command at the command prompt.B On the WSUS server， type the wuauclt /detectnow command at the command prompt.C On each of the six servers， type the gpupdate /force command at the command prompt.D On each of the six servers， type the wuauclt /detectnow command at the command prompt.
