正确答案: A
            enable password 
            题目:哪一个命令可以设置路由器特权用户的“明文密码”()
             解析:A
 
             查看原题 点击获取本科目所有试题
            举一反三的答案和解析:
                                                    
                                 
                
                 [单选题]对于路由表,下列说法中正确的是:()
                                                
                  
                                                                                                                     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 
                                                                                                                                    
                
                
                            
                
                 [单选题]SMTP工作在OSI哪一层()
                                                
                  
                                                                                                                                                                                                             应用层 
                                            
                
                
                            
                
                 [单选题]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?
                                                
                  
                                                                                                                     Flash, TFTP server, ROM 
                                                                                                                                                                                
                
                解析:解析:Explanation:BootinguptheRouter:CiscorouterscanbootCiscoIOSsoftwarefromtheselocations:1.Flashmemory2.TFTPserver3.ROM(notfullCiscoIOS)Multiplesourceoptionsprovideflexibilityandfallbackalternatives. 
                            
                
                 [单选题]对交换机的描述,正确的是()
                                                
                  
                                                                                                                     单广播域,多冲突域的设备 
                                                                                                                                    
                
                
                            
                
                 [单选题]You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in the Ezonexam network.However, you need to share the VLAN information across numerous switches. Which of the following would allow you accomplish this?
                                                
                  
                                                                                                                                                                                                             VTP 
                                                                                                                                    
                
                解析:D 解析:Explanation: 
                            
                
                 [多选题]网络中经常使用DDN服务,请选出DDN的优点()
                                                
                  
                                                                         传输质量高 
                                                                                                                                                                                         使用虚电路 
                                                                                                 专用线路 
                                            
                
                解析:ADE
 
                            
                
                 [单选题]关于OSPF中DR的说法不正确的是()
                                                
                  
                                                                                                                     如果某路由器优先级比DR优先级高,但启动晚,它会抢占原来的DR自己成为DR 
                                                                                                                                    
                
                
                            
                
                 [单选题]某网络中,拟设计10子网,每个子网中放有14台设备,用IP地址段为199.41.10.X,请问符合此种规划的子网掩码是()
                                                
                  
                                                                                                                                                                 255.255.255.240 
                                                                                        
                
                
                            
                
                 [多选题]在路由器上,可以使用的命令有:()
                                                
                  
                                                                         ping 
                                                                                                 show interfaces 
                                                                                                 show ip route 
                                                                                                                                    
                
                解析:ABC