[单选题]关于帧中继的说法,正确的是()
                                                             正确答案 :C
                    
                      
                                                                                                                                                                                             可以偷占带宽 
                                                                                                        
                    
                                     [单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?
                                                             正确答案 :D
                    
                      
                                                                                                                                                                                                                                                 It is used to validate the sources of VTP advertisements sent between switches 
                                                                                                        
                    
                                     [单选题]OSI七层模型中,“段”是哪一层数据封装的名称()
                                                             正确答案 :D
                    
                      
                                                                                                                                                                                                                                                 传输层 
                                                    
                    
                                 查看原题 点击获取本科目所有试题