A. 绝对链接 B. 外部链接 C. 内部链接 D. 锚点
A. B. C. <br> D. <frame><br></p><div class="getanswer"><a href="/q/Yvwj66.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>下面哪些协议属于应用层协议？</h3></div><p class="queslist-options"> A. TCP和UDP<br> B. DNS和FTP<br> C. IP<br> D. ARP<br></p><div class="getanswer"><a href="/q/JDJVbx.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>TCP 和UDP 协议的相似之处是</h3></div><p class="queslist-options"> A. 面向连接的协议<br> B. 面向无连接的协议<br> C. 都是传输层的协议<br> D. 以上均不对<br></p><div class="getanswer"><a href="/q/7qzNwP.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>ping命令发出的报文类型是（）</h3></div><p class="queslist-options"> ARP 请求报文<br> B. ICMP请求报文<br> C. TCP请求报文<br> D. 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