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Question 86

A systems administrator needs to configure a new server and external storage for a new production application environment. Based on end-user specifications, the new solution needs to adhere to the following basic requirements:

1. The OS must be installed in a separate disk partition. In case of hard drive failure, it cannot be affected.

2. Application data IOPS performance is a must.

3. Data availability is a high priority, even in the case of multiple hard drive failures.

Which of the following are the BEST options to comply with the user requirements? (Choose three.)

    Correct Answer: B, C, E

    To adhere to the user requirements: 1) For the operating system to remain unaffected by a hard drive failure, RAID 1 is a suitable option because it mirrors the data across two disks, providing redundancy. 2) For high IOPS performance in application data, using SSDs for the data application array is essential due to their high-speed data access and lower latency compared to traditional hard drives. 3) For high data availability, even in the case of multiple hard drive failures, RAID 1 provides redundancy but is limited by the number of drives it mirrors, making it a strong but not the only solution. However, given the choices, RAID 1 meets the requirement for ensuring data availability. Hence, RAID 1 for both the OS and application data along with SSDs for high performance meets all specified needs.

Discussion
SpaceclusterOptions: BCE

Correct answer is B C E

SpaceclusterOptions: BCE

RAID 5 doesn't support multiple drive failure Answer is B C E

ccoli

Neither does RAID1

ccoliOptions: BCE

This is an absurdly stupid question. I assume it is a typo and the RAID5 should actually be RAID6. RAID1 can only support multiple drive failures if it is more than 2 disks at which point it is RAID10.

Kraken84Options: BCE

Given the requirements, the best options to comply with the user's specifications are: B. Install the OS on a RAID 1 array. E. Use SSD hard drives for the data application array. Considering the need for high data availability and the risk of multiple drive failures, RAID 1 (mirroring) with more than two drives or RAID 10 (a combination of RAID 1 and RAID 0) would be more suitable than RAID 5. Since RAID 10 is not an option here and RAID 1 provides redundancy, C. Configure RAID 1 for the application data would be the third best choice.

PongsathornOptions: BCE

1. The OS must be installed in a separate disk partition. In case of hard drive failure, it cannot be affected. = RAID 1 2. Application data IOPS performance is a must. = SSD 3. Data availability is a high priority, even in the case of multiple hard drive failures.= RAID 1, RAID 6 writes parity information across the drives as is done in RAID 5, but it writes two stripes, which allows the system to recover from two drive failures whereas RAID 5 cannot.