For high availability which of the following would be MOST appropriate for fault tolerance?
A.
RAID 0
B.
Clustering
C.
JBOD
D.
Load Balancing
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B. Clustering provides fault tolerance.
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Nope, I agree with load balancing as if one of the back end servers fails you will have at least one other up and running. The question is about high availability.
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D is wrong. Load Balancing can provide SOME availability but no fault tolerance. Load Balancing is mainly used for performance and scale-ability. Clustering is used for fault tolerance and HIGH availability. Load Balancing will not take over if a server fails. It only helps with the load when there is a lot of traffic. So it would be B.
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I will go with B.
https://www.ctl.io/blog/post/load-balancing-high-availability-and-disaster-recovery-what-they-are/
While load balancing introduces redundancy, it’s not a strategy that alone can provide high availability. Servers sitting behind a load balancer may be running, but that doesn’t mean that they are available!
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