论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业

<p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/package-1.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">网络工程师</span></a></span></span>以太网MAC地址考点有哪些?为了方便考生及时有效的备考，课课家小编为大家精心整理了软考中级网络工程师以太网MAC地址考试知识点，供大家参考和学习。如想获取更多计算机软件水平考试的模拟题及备考资料，请关注课课家网站的更新。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　以太网地址用来识别一个以太网上的某个单独的设备或一组设备，这个地址又叫做物理地址或者MAC地址。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　MAC采用十六进制数表示，共六个字节(48位)。IEEE规定MAC地址第一个字段的最低位为I/G位。I/G位标志这个地址是单播地址还是组播地址。而广播地址就是FFFF.FFFF.FFFF。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　注意：以太网卡有过滤功能，网卡只把发送给自己的帧接收，解封装后交给上层处理，而不是发给自己的帧会丢弃。不过，有些网卡可以设置为混杂模式，也就是可以接收任意帧，而不考虑这帧是不是发给自己的。这类网卡经常用于一些网络协议分析工具中。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">&nbsp; &nbsp; &nbsp; 课课家教育专注<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/packageList/336.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考培训</span></a></span></span>10年以上，一直坚持自主研发，将丰富的软考培训经验有效融入教程研发过程，自成体系的<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/packageList/336.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考视频教程</span></a>、<a href="https://ebuy.kokojia.com/list/77.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考培训教材</span></a></span></span>和<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://tiku.kokojia.com/list/337.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考在线题库</span></a></span></span>，使考生的学习更具系统性，辅导更具针对性。想要报考2020年软考的考生现在就可以开始备考了，报名课课家软考各科目考试<span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;">赠送：辅导教材、历年真题、考前冲剌资料、在线模拟测试题库、老师专属答疑指导等</span>，以保障学员顺利通过考试。</p><p style="margin-top: 0px; margin-bottom: 10px; padding: 0px; box-sizing: border-box; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">　　&gt;&gt;&gt;&gt;&gt;&gt;点击进入<span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: 700;"><a href="http://www.kokojia.com/activity-ruankao.html" target="_blank" style="margin: 0px; padding: 0px; box-sizing: border-box; cursor: pointer; text-decoration-line: none; color: rgb(51, 122, 183); background-color: transparent;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; color: rgb(255, 0, 0);">软考报名专题</span></a></span></span></p><p><br/></p><p><span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">　　</span><span style="margin: 0px; padding: 0px; font-weight: 700; color: rgb(51, 51, 51); font-family: &quot;Microsoft Yahei&quot;, Tahoma, Helvetica, Arial, sans-serif; background-color: rgb(255, 255, 255);"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">相关推荐：<a href="http://bbs.kokojia.com/ruankao/87202" title="2020年网络工程师考点汇总" style="margin: 0px; padding: 0px; cursor: pointer; text-decoration-line: none; color: rgb(0, 174, 239); font-family: &quot;Microsoft Yahei&quot;, Tahoma, Helvetica, Arial, sans-serif; background-color: rgb(239, 239, 239);">2020年网络工程师考点汇总</a></span></span></p>

论坛站务软件水平考试华为认证计算机等级PMP认证思科认证Photoshop3DMAX编程语言移动开发系统运维产品运营淘宝营销办公软件Ps修图云计算大数据摄影就业