smallrain
发表于 2006-8-1 16:33:50
<P>WHY </P><P>Half-duplex Ethernet uses a loopback circuit to detect collisions.</P><P>不是用CSMA/CD吗?</P>
smiling
发表于 2006-8-1 18:10:48
<FONT size=5>each of the regional affices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology 中的hub and spoke 是什么意思,我遇到几题中都有提到这个</FONT>
smiling
发表于 2006-8-2 13:12:06
<IMG src="file:///F:/Program" Files\Tencent\QQ\图片收藏夹\新建文件夹>这个题目的答案是什么
smiling
发表于 2006-8-2 13:21:38
<P><FONT size=5>which of following are true regarding a network using a subnet mask of 255.255.248.0?(choose three)</FONT></P><P><FONT size=5>A,it corresponds to a class A address with 13 bits borrowed</FONT></P><P><FONT size=5>B,it corresponds to a class B address with 4 bits borrowed</FONT></P><P><FONT size=5>C,the network address of the last subnet will have 248 in the </FONT></P><P><FONT size=5>3rd octet.</FONT></P><P><FONT size=5>D,the first 21 bits make the host portion of the address.</FONT></P><P><FONT size=5>E,this subnet mask allows for 16 total subnets to be created.</FONT></P><P><FONT size=5>F,the subnetwork numbers will be in multiples of 8.</FONT></P>
smallrain
发表于 2006-8-2 14:48:59
<P>有一道拖图题,我觉得答案错了</P><P>Place the parameters in the correct sequence to configure dial-on-demand routing<BR>(DDR) on an ISDN BRI interface.</P><P>答案:Place 1st - next hop address<BR>Place 2nd - Dialer-list<BR>Place 3rd - protocol<BR>Place 4th - Dialer-String<BR>Place 5th - group</P><P>应该是:Place 1st - next hop address<BR>Place 2nd - Dialer-list<BR>Place 3rd - protocol<BR>Place 4th - Dialer-String<BR>Place 5th - group</P><P>应该是:</P><P>Place 1st - next hop address<BR>Place 2nd - Dialer<BR>Place 3rd - protocol<BR>Place 4th - Dialer-String<BR>Place 5th - map</P><P>不知道大家有何看法????</P>
smallrain
发表于 2006-8-2 19:38:03
<P>麻烦解释一下这题</P><P>Which of the following answers are correct characteristics of microsegmentation, in<BR>the context of a Local Area Network (LAN)? (Select two answer choices)<BR>A. Dedicated paths between sending and receiving hosts are established.<BR>B. Multiple subnetwork broadcast addresses are created.<BR>C. Multiple ARP tables are needed.<BR>D. The decrease in the number of collision domains.<BR>E. Broadcast domains are enhanced.<BR>F. Additional bandwidth is used to connect hosts.<BR>Answer: A, F</P>
丢丢
发表于 2006-8-5 17:10:06
<P>今天咱们班来了几位参加考试辅导课的，不管原先准备如何，但来了都有收获吧<IMG src="http://www.spoto.net/bbs/images/Emotions/74.gif"></P><P>继续加油哦大家<IMG src="http://www.spoto.net/bbs/images/Emotions/16.gif"></P><P>看看谁最早一个通过NA<IMG src="http://www.spoto.net/bbs/images/Emotions/45.gif"></P>
温柔重拳
发表于 2006-8-6 00:33:08
我很郁闷，搬了新家收拾了收拾，这两天有点浪费时间，在BC的同时冲刺TK和理解，看了前面的帖子，小潘好样的哈。
大東
发表于 2006-8-6 14:18:57
<P>31班的兄弟门！加油！~ <IMG src="http://www.spoto.net/bbs/images/Emotions/72.gif"> NA考试压力很大的时候要注意适当的休息哦～^_^～ </P><P> 预祝大家考试顺利！～</P>
丢丢
发表于 2006-8-7 15:27:14
<P>大东真体贴，可以考虑加入偶们CS，哈哈</P><P> </P>
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