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PolarDB for MySQL allows you to deploy a cluster across multiple zones. Compared with single-zone clusters, multi-zone clusters have better disaster recovery capabilities and can withstand data centre-level faults.
Suggested Answer: A
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Compared with single-zone clusters, multi-zone clusters can enhance disaster recovery capabilities and withstand the breakdown of an entire data center.
13 comments · newest first
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Shawana
12 months ago
Not sure about that, single-zone can be simpler to manage.
CA
Carlton
12 months ago
Definitely true, I've seen it in action!
MY
Myra
1 year ago
Wait, can they really handle data center faults? Sounds too good to be true.
SH
Sharen
1 year ago
I agree, disaster recovery is a big plus.
JO
Johnna
1 year ago
That's true, multi-zone clusters are way more resilient!
VE
Veronika
1 year ago
I feel like we discussed this in class, and it was definitely mentioned that multi-zone setups are more resilient. So, I would say true.
JU
Judy
1 year ago
This sounds familiar, but I can't recall if the disaster recovery aspect was emphasized in our practice questions.
SO
Sol
1 year ago
I remember something about data center faults being a big issue, so I would lean towards true for this question.
HA
Hailey
1 year ago
I think multi-zone clusters do provide better disaster recovery, but I'm not completely sure if that's the only advantage.
TO
Tori
1 year ago
Hmm, I'm a little unsure about this one. I know the fat-soluble vitamins, but I can't remember if B is included in that group. I'll have to think this through carefully.
EZ
Ezekiel
1 year ago
I'm feeling pretty confident about this one. The key is to focus on the update function and the permissions it requires.
TY
Tyra
1 year ago
Okay, let me think this through. I believe the key is to use the Loopback processing mode, which will apply the policy to the user regardless of the policies applied at lower levels. I'm pretty confident that's the right approach.
FA
Fausto
1 year ago
I remember discussing pitting corrosion, but I'm not sure if 316 stainless steel is enough for hydrochloric acid.