Q. 4. What types of analyses can be used to reduce the number and duration of problem calls?

A.

Q. 1. For disk controllers with cache memory, the lower the hit ratio, the better the performance. (True or False)

A.

Q. 3. Which of the following is not an advantage of a disk-to-disk backup?

a. significantly reduces backup and recovery time

b. is less expensive than a disk-to-tape backup

c. helps facilitate data replication

d. the stored copy can be used for other purposes

A.

Q. 5. Describe some of the advantages and disadvantages of storage capacities becoming larger and denser.

A.