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

In which of the following ways can using test-taking tips you? a. you can focus on the information that you need to study. b. you will see the answers to the test. c. you will study more. d. you will be less organized.

You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. (a) are the outcomes on the two cards independent? why?

Match the function to its purpose. fast worth 50pts.