RHCE Sample Question papers?

Here are some RHCE Sample Papers links:
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1) *www.linuxquestions.org/questions/showthread.php?s=&threadid=203896&perpage=15&pagenumber=2

2) *www.pass-guaranteed.com/RHCE-training.htm

3) *www.globalitcert.com/redhat-certification.htm

4) *www.powells.com/cgi-bin/biblio?inkey=4-0782128122-2

5) *linux.ittoolbox.com/documents/popular-q-and-a/linux-rhce-exam-preparation-advice-3496

6) *www.itpasszone.net/RH-300-Exam.htm

I was wondering if it is considered has Brain Dump and illegaly.