Question

During your lunch break, you rummage around in the company's storage closet and discover two 20GB IDE hard disks and two hard disk controllers. You decide to use the equipment to provide a fault-tolerant solution in one of your company's existing servers. Which of the following fault-tolerant RAID levels could you implement using this equipment? (Choose two.) R. RAID 0 B. RAID 1 C. Disk duplexing D. RAID 5

    During your lunch break, you rummage around in the company's storage closet and discover two 20GB IDE hard disks and two hard disk controllers. You decide to use the equipment to provide a fault-tolerant solution in one of your company's existing servers. Which of the following fault-tolerant RAID levels could you implement using this equipment? (Choose two.)
R. RAID 0
B. RAID 1
C. Disk duplexing
D. RAID 5

CompTIA Network+ N10-004 Exam Cram

Mike Harwood 3rd Edition

Chapter 8, Problem 1

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Step 1

Step 1: Assess the available equipment - Take inventory of the two 20GB IDE hard disks and two hard disk controllers that were found in the storage closet. Show more…

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During your lunch break, you rummage around in the company's storage closet and discover two 20GB IDE hard disks and two hard disk controllers. You decide to use the equipment to provide a fault-tolerant solution in one of your company's existing servers. Which of the following fault-tolerant RAID levels could you implement using this equipment? (Choose two.) R. RAID 0 B. RAID 1 C. Disk duplexing D. RAID 5

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Key Concepts

RAID 1

RAID 1 is a technique in which data is mirrored across two or more disks, providing fault tolerance by ensuring that if one disk fails, an identical copy of the data exists on another disk. It provides high data reliability, though at the cost of halving the effective storage capacity, and is useful for systems requiring high availability and fast recovery from hardware failure.

Disk Duplexing

Disk duplexing is a fault-tolerant strategy where two separate disk controllers are used in addition to having duplicate disks. This configuration not only mirrors the data but also eliminates a single point of failure in the disk controller, enhancing overall system redundancy and reliability in storage systems.

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