Which of the following statements are true? (Choose all that apply.) a. Quotas can only limit user space. b. Quotas can only limit the number of files a user can own. c. Quotas can limit both user...

Which of the following statements are true? (Choose all that apply.)
a. Quotas can only limit user space.
b. Quotas can only limit the number of files a user can own.
c. Quotas can limit both user space and the number of files a user can own.
d. Hard limits can never be exceeded.
e. Hard limits allow a user to exceed them for a certain period of time.
f. Soft limits can never be exceeded.
g. Soft limits allow a user to exceed them for a certain period of time.
h. Either a hard limit or a soft limit can be set, but not both concurrently.