642-801的一题争议题,有高手给准确答案吗?

single

<P>What does Cisco recommend for those who set up networks with multiple OSPF areas? (Select two)<BR>A. There should not be more than three areas per route.<BR>B. Area 0 must be larger than any subsequent OSPF area.<BR>C. A router can be a DR or BDR for more than one LAN.<BR>D. You should not run more than one instance of the OSPF process on an ABR.<BR>这题选什么，网络上很多答案,好象很有争议 !<BR></P>

sniffer

<P>个人觉得是：A&nbsp; D</P><P>B本身错误，C意思正确，但没有推荐的理由</P>

carol

排除法，呵呵。。

single

<IMG src="http://www.spoto.net/bbs/images/Emotions/1.gif">谢谢

westwindy

<P>呵呵，正确</P>

charlie

<P>个人认为应该选A、C</P><P>D是说on an ABR ，有些不严谨，cisco不推荐在任何一台router上开启多个ospf的进程process，ABR也应该是这样。</P>