What hardware based solutions are measured for fault tolerance? (Choose all that apply) -caching -proxying -clustering...

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Question

What hardware based solutions are measured for fault tolerance? (Choose all that apply) -caching -proxying -clustering...

What hardware based solutions are measured for fault tolerance? (Choose all that apply)

-caching

-proxying

-clustering

-RAID

-load balancing

engineering Computer-Science

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Answer 1

Answer #1

d) RAID

e) load balancing

Explanation:

Basically, RAID is used when a company needs to improve performance or allow some expanded fault tolerance for a server or a network-attached storage device.

RAID storage solutions have different levels – most commonly used are:

RAID 0 – provides no fault tolerance, but it increases disk speed 2x or better.
RAID 1 – mirrors the data on multiple disks to provide fault tolerance, but requires more space for less data.
RAID 5 – strips the disks similar to RAID 0, but doesn’t provide the same amount of disk speed. Has fault tolerance without the loss of any data.
RAID 6 – minimum of four disks. Same as RAID 5, but the system can fail twice and not lose any data.
RAID 7.3 – This new RAID option answers the need for a triple-parity RAID. With RAID 5 and RAID 6 beginning to become inadequate, this option is beginning to take the steps necessary to provide a more reliable storage option that RAID 5 and RAID 6.
RAID 10 – this option is costly, but it combines RAID 0 and RAID 1. The RAID 10 option requires four disks, and can continue to operate without loss of any data so long as the failures occur in different subgroups.

Load balancer can also be used to improve the performance in fault-tolerance systems.

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Answer 2

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