CompTIA Security+ Question G-92

Which of the following technologies was developed to allow companies to use less-expensive storage while still maintaining the speed and redundancy required in a business environment?

A. RAID
B. Tape Backup
C. Load Balancing
D. Clustering

Answer: D

CompTIA Security+ Question F-28

A small business needs to incorporate fault tolerance into their infrastructure to increase data availability. Which of the following options would be the BEST solution at a minimal cost?

A. Clustering
B. Mirrored server
C. RAID
D. Tape backup

Answer: C

Explanation:
RAID, or redundant array of independent disks (RAID). RAID allows your existing servers to have more than one hard drive so that if the main hard drive fails, the system keeps functioning. RAID can achieve fault tolerance using software which can be done using the existing hardware and software.

CompTIA Network+ Question A-89

Which of the following would be the BEST addition to a business continuity plan that would protect business from a catastrophic event such as a fire, tornado, or earthquake?

A. UPS and battery backups
B. Fire suppression systems
C. Building generator
D. Hot sites or cold sites
E. NAS and tape backups

Correct Answer: D