[单选题]RIP路由协议认为“网络不可到达”的跳数是:()
                                                             正确答案 :B
                    
                      
                                                                                                                                         16 
                                                                                                                                                            
                    
                                     [单选题]下列关于路由器和交换机的描述中,错误的是()
                                                             正确答案 :D
                    
                      
                                                                                                                                                                                                                                                 交换机可以转发广播 
                                                    
                    
                                     [单选题]You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:o/r 0x2142
                                                             正确答案 :C
                    
                      
                                                                                                                                                                                             It is used to bypass the configuration in NVRAM. 
                                                                                                                                                                                                                
                    解析:解析:Explanation: 
                                 查看原题 点击获取本科目所有试题