fdc5e7d5_Robots_txt_Tutorial__3
[0] robots meta noindex tag [1] yes [2] no [4] Links on a noindex page are still crawled by search spiders even if the page does not appear in the search results (unless they are used in conjunction with nofollow). Page using robots meta nofollow (1 row below) in conjunction with noindex can accumulate PageRank, but do not pass it on to other pages. [5] OR can be used with nofollow likeso [3] 
yes, but can pass on much of its PageRank by linking to other pages
Robots.txt Tutorial
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