Question 3: Consider the following sequence of log records: START S ; T.E,50,51 Suppose that we begin a non-quiescent checkpoint immediately after one of the following log records has been written (in memory): a) d) e) For each case, tel 1) 2) at what points could the record be written, and for each possible point at which a crash could occur, how far back in the log we must look to find all possible incomplete transactions. Consider both the case that the CKPT> record was or was not written prior to the crash END