CompTIA Security+ Question L-47

Which of the following may significantly reduce data loss if multiple drives fail at the same time?

A. Virtualization
B. RAID
C. Load balancing
D. Server clustering

Answer: B

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.

CompTIA Security+ Question H-33

Emily, a security architect, has developed a framework in which several authentication servers work together to increase processing power for an application. Which of the following does this represent?

A. Warm site
B. Load balancing
C. Clustering
D. RAID

Answer: C

Explanation:
Anytime you connect multiple computers to work/act together as a single server, it is known as clustering. Clustered systems utilize parallel processing (improving performance and availability) and add redundancy. Server clustering is used to provide failover capabilities / redundancy in addition to scalability as demand increases.

CompTIA Security+ Question H-25

Which of the following mitigation strategies is established to reduce risk when performing updates to business critical systems?

A. Incident management
B. Server clustering
C. Change management
D. Forensic analysis

Answer: C

Explanation:
Change Management is a risk mitigation approach and refers to the structured approach that is followed to secure a company’s assets. In this case ‘performing updates to business critical systems.

CompTIA Security+ Question B-65

Which of the following can Peter, a security administrator, use to distribute the processing effort when generating hashes for a password cracking program?

A. RAID
B. Clustering
C. Redundancy
D. Virtualization

Answer: B

Explanation:
Anytime you connect multiple computers to work/act together as a single server, it is known as clustering. Clustered systems utilize parallel processing (improving performance and availability) and add redundancy. Server clustering is used to provide failover capabilities / redundancy in addition to scalability as demand increases.