请版主指教as3的问题

大坏羊

没搞懂5个必考和5个可选的问题是什么意思？？

a score of 80 or higher on Section I, consisting of five compulsory and five optionals problems;

troubshooting有10道题？？？


In order to pass the Red Hat Certified Engineer exam under Red Hat Enterprise Linux 3 you must meet all of the following requirements:

a score of 80 or higher on Section I, consisting of five compulsory and five optionals problems;
successful completion of the five Section I compulsory troubleshooting problems within one hour of that section's start time;
70 percent or more on the RHCT-level skills in Section II;
70 percent or more on the RHCE-level skills in Section II.