【判断题】【消耗次数:1】
在CAN-BUS的报文中,对信息帧没有检错机制。( )
正确
错误
参考答案:
复制
纠错
相关题目
【判断题】 在CAN-BUS数据报文中,把各节点分成不同的优先级。( )
①  正确
②  错误
【判断题】 在CAN-BUS总线中,位速率越高,传输距离越大。( )
①  正确
②  错误
【判断题】 在CAN-BUS总线的汽车网络中,其上的节点数实际是没有限制的。( )
①  正确
②  错误
【判断题】 CAN-BUS没有总线仲裁技术。当多个节点同时向总线发送信息出现冲突时,会出现网络瘫痪情况。( )
①  正确
②  错误
【判断题】 CAN-BUS控制器对各控制单元传输的数据不处理,直接传给CAN收发器。( )
①  正确
②  错误
【判断题】 在CAN-BUS总线中,数据传输终端电阻的作用是防止数据在线端被反射。( )
①  正确
②  错误
【单选题】 CAN‐BUS 总线故障现象下列说话错误的是( C )
①  断路总线上电压波形不正常
②  对正相短接,总线上无电压变化,总线电压为蓄电池电压
③  对搭铁短接,总线上无电压变化,总线电压无穷大
④  双线之间短路,两线电压波形相同是均为不正常
【判断题】 CAN数据总线所传输的数据有数据帧、远程帧、错误帧和过载帧4种类型。( )
①  正确
②  错误
【判断题】 答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”Here comes the bus.
①  正确
②  错误
【单选题】 有关帧的差错检测机制,说法不正确的是()
①  帧的差错检测采用CRC检错技术
②  FCS是差错检测的冗余码
③  FCS可以通过数据除以特定的多项式得到
④  FCS只能通过CRC的方法得到
随机题目
【单选题】 Which sentence is right?
①  I dont think that he is not right.
②  I think he is not right.
③  I dont think that he is right.
④  I think he was not right.
【单选题】 __ of us likes the film. ?
①  Both?
②  All
③  Neither
④  Some
【单选题】 They __ lunch at home every day.
①  have not
②  didn’t have
③  don’t have
④  have not any
【单选题】 Pay attention please!__ of you want to attend the party?
①  Who
②  Which
③  Whom
④  What
【单选题】 __ she sings!
①  What beautiful
②  How beautiful
③  What beautifully
④  How beautifully
【单选题】 ?What apparently had happened, three years ago, was that Kate _____ to a different building.
①  went
②  B) has gone
③  had gone
④  would go
【单选题】 is your English teacher like? He is tall and thin.
①  ?How
②  ?What
③  ?Which
④  /
【单选题】 It is getting dark. Our teacher __ .
①  let us to go home
②  let us go home
③  let us go to home
④  let we go home
【单选题】 They are young carry the box onto the table.
①  enough; too
②  too;to
③  so; to
④  very; to
【单选题】 did you sleep last night? I stayed up too late to go to sleep.
①  ?How
②  When
③  Why
④  ?Where