You work as a network technician at Certkiller .com. You are required to implement a fault tolerant solution on a server that has two hard disk and two hard disks controllers. Which of the following can you implement? (Choose all that apply)
A.
Disk striping
B.
Disk mirroring
C.
Disk striping with parity
D.
Disk duplexing
Explanation:
Disk mirroring and disk duplexing are fault tolerant solutions that require a minimum of two disks. Disk mirroring requires only one controller while disk duplexing requires twocontrollers.
Incorrect Answers:
A: A, Disk striping requires only two disks; it is not a fault tolerant solution as it does not have parity.
C: Disk striping with parity requires a minimum of three disks.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 184-192.
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 392-394.