正确答案: B
            PTCCH 
            题目:Which logical channel is used to send RACH bust on uplink and TAs on downlink?()
           
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            学习资料的答案和解析:
                                                    
                                 
                
                 [单选题]对于参数TEO(Temporary Of fset)它的设置步长是:()
                                                
                  
                                                                                                                     10dB 
                                                                                                                                    
                
                
                            
                
                 [单选题]以下设备中存储了手机当前的位置信息的为()。
                                                
                  
                                                                                                                                                                 SGSN 
                                                                                        
                
                
                            
                
                 [单选题]When does a MS get IP address?()
                                                
                  
                                                                                                                     After MS finishes PDP context activate procedure 
                                                                                                                                    
                
                
                            
                
                 [多选题]ALCATEL GGSN支持的路由协议包括哪几项?()
                                                
                  
                                                                         RIP 
                                                                                                 OSPF 
                                                                                                 EIGRP 
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