TK的一题，请老师解答

蓝色飞鱼

<P><FONT size=4>The corporate head office of TestKing has a teleconferencing system that uses VOIP<BR>(voice over IP) technology. This system uses UDP as the transport for the data<BR>transmissions. If these UDP datagrams arrive at their destination out of sequence,<BR>what will happen?<BR>A. UDP will send an ICMP Information Request to the source host.<BR>B. UDP will pass the information in the datagrams up to the next OSI layer in the<BR>order that they arrive.<BR>C. UDP will drop the datagrams.<BR>D. UDP will use the sequence numbers in the datagram headers to reassemble the<BR>data in the correct order.<BR>E. UDP will not acknowledge the datagrams and wait for a retransmission of the<BR>datagrams.</FONT></P><P><FONT size=4></FONT>&nbsp;</P><P><FONT size=4></FONT>&nbsp;</P><P><FONT size=4>这题的正确答案是什么，TK的答案是C，我觉得应该选B</P><P><BR>&nbsp;<BR></P></FONT>

丢丢

<P>感谢潘老师<IMG src="http://www.spoto.net/bbs/images/Emotions/39.gif"></P><P>今天休假还上线回答问题<IMG src="http://www.spoto.net/bbs/images/Emotions/28.gif"></P>

蓝色飞鱼

<P><IMG src="http://www.spoto.net/bbs/images/Emotions/48.gif">感谢，潘老师</P><P>&nbsp;</P>