1. Automated tape libraries cost thousands of dollars. How would a business justify purchase of this hardware?
2. Would cache hurt or help response time when reading a database?
3. How would fault tolerant systems use failover?
4. What business reason would be necessary to justify purchase of a disk storage system that used hot spares?
5. When is parity used in some RAID systems?
6. What is the purpose of server mirroring?