Which of the following explanations best describes the active log file $FWDIR/log/xx.logptr?

Which of the following explanations best describes the active log file $FWDIR/log/xx.logptr?

A.
Real log records

B.
Pointers to the beginning of each log record

C.
Pointers to the beginning of each log chain

D.
Pointers to the beginning of each accounting record

E.
Additional temporary pointer file