A、A.每个路由器都会剥离数据包的第2层帧头
B、B.数据包的第2层目的地址不发生改变
C、C.数据包的第3层源地址经过每台路由器时都发生改变
D、D.第2层帧头经过每台路由器时都发生改变
E、E.每个路由器都会剥离数据包的第3层帧头
更多“<img src="https://img.ppkao.com/2018-07/tangxueping/2018072517435923956.jpg" /><br /> 请参见图示。工作站A向工作站B发送了一个IP数据包。下列哪两项陈述说明了数据包经过网络时的封装？（）<p> <img src="https://img.ppkao.com/2018-07/tangxueping/2018072517435923956.jpg" /><br /> 请参见图示。工作站A向工作站B发送了一个IP数据包。下列哪两项陈述说明了数据包经过网络时的封装？（）</p>”相关的问题
A、UmIm/2 B、UmIm/<img src="https://nimg.ppkao.com/2017-07/xuyiying/2017070310592360787.jpg?sign=b46a9d0a50ae0b40fe6982775bc6f201&t=62d3c853" /> C、<img src="https://nimg.ppkao.com/2017-07/xuyiying/2017070310592360787.jpg?sign=b46a9d0a50ae0b40fe6982775bc6f201&t=62d3c853" />UmIm
A、<img src="https://nimg.ppkao.com/2018-07/lina/2018072710050413046.jpg?sign=2ddbc0948a95d26111ae64f1a7fca0b4&t=62d73bc6" /> B、<img src="https://nimg.ppkao.com/2018-07/lina/2018072710051332756.jpg?sign=213c5163aee8009481632a7e79bf71d9&t=62d73bc6" /> C、<img src="https://nimg.ppkao.com/2018-07/lina/2018072710051897240.jpg?sign=f4f1e6b05d7667bd1a3d1d8d1a327251&t=62d73bc6" /> D、<img src="https://nimg.ppkao.com/2018-07/lina/2018072710052498573.jpg?sign=4224d40aca0ecb2eabf9d1e6e341e341&t=62d73bc6" />
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />低电平
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
A、A.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />不变，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />增大
B.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />减小，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />不变
C.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />减小，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />增大
D.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />增大，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />减小
A、A.<img src="https://img.ppkao.com/2018-04/zhouyun/20180412175605391.jpg" />
B.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562114745.jpg" />
C.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562651092.jpg" />
D.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562929580.jpg" />
E.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217563332745.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516571386102.jpg" /><img src="https://img.ppkao.com/2018-08/chenfang/2018081516572558372.jpg" />
B.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572062708.jpg" />
C.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572915872.jpg" />
D.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516573482159.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116564316705.jpg" />
B.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116564929545.jpg" />
C.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116565492959.jpg" />
D.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116570158166.jpg" />
E.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116570766172.jpg" />
F.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116571469081.jpg" />
A、A.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014281280624.jpg" />
B.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014281819043.jpg" />
C.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014282618868.jpg" />
D.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014283326403.jpg" />
A、A.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911015090840.jpg" />
B.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911020511940.jpg" />
C.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911020978687.jpg" />
D.<img src="https://img.ppkao.com/2018-09/zenglei/201809291102144859.jpg" />
A、A.<img src="https://img.ppkao.com/2017-12/wangyu/2017122915270136475.jpg" />
B.<img src="https://img.ppkao.com/2017-12/wangyu/2017122915270844152.jpg" />
C.<img src="https://img.ppkao.com/2017-12/wangyu/2017122915271360732.jpg" />
D.<img src="https://img.ppkao.com/2017-12/wangyu/2017122915272170653.jpg" />
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