If you have two redo log groups with four members each, what’s the optimal number of disks you need to provide appropriate protection on the redo log files?
a. eight
b. four
c. two
d. one
e. operating system dependent

Technician a says that a new replacement part is always good. technician b says that sometimes recent repair work will be the cause of a complaint. who is correct? a. both technicians a and b b. technician a c. technician b d. neither technician a nor b