This question feels familiar. I practiced one where the RF was lower, and we could lose more peers. I think here, it might be just 1 peer that can fail safely.
I think I remember that with a replication factor of 4, we need at least 4 copies of the data to be available. So, if 4 peers fail, it might become unsearchable?
I'm feeling pretty confident about this one. Based on my understanding, cloud-init provides its own startup mechanism that replaces the instance's original init system, so I'm going to go with option C.
This is a tricky one, but I think the answer is B) One peer can fail. The replication factor of 4 means we need at least 3 peers to search, so if one peer fails, we're still good.
Well, if 4 peers fail, that means we'd still have 6 peers left, which is above the search factor of 3, so I think D) Four peers can fail is the right choice.
Hmm, let me think about this. With 10 search peers, a replication factor of 4, and a search factor of 3, I'd say that C) Three peers can fail is the correct answer.
I'm not sure, but it makes sense that if we have 10 search peers and a Replication Factor of 4, we can tolerate losing three of them before data becomes unsearchable. So, I'll go with C) Three peers can fail.
Wilbert
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