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An architect receives a business requirement from a CTO that states the RTO and RPO for a new system should be as close as possible to zero. Which replication method and data center technology should be used?
Suggested Answer: B
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42 comments · newest first
LE
Lennie
11 months ago
Wait, can we really get RTO/RPO to zero? Sounds too good to be true!
DE
Delmy
11 months ago
Asynchronous might introduce latency, not ideal for this requirement.
RO
Rory
11 months ago
I’m not so sure about that, isn’t synchronous more expensive?
LI
Lilli
11 months ago
Definitely agree, B seems like the best option here!
SO
Solange
12 months ago
Synchronous replication is the way to go for near-zero RTO/RPO.
FA
Farrah
12 months ago
I feel like asynchronous replication wouldn't meet the zero RTO/RPO requirement, so I’m leaning towards synchronous options.
LA
Lashawn
1 year ago
I practiced a similar question, and I think dual data centers are crucial for redundancy, but I can't recall which option is best.
TA
Tayna
1 year ago
I’m not entirely sure, but I think MPLS might be better for latency compared to Metro Ethernet.
JU
Judy
1 year ago
I remember studying that for near-zero RTO and RPO, synchronous replication is usually the way to go.
KA
Kati
1 year ago
I think the answer is B. Synchronous replication over geographically dispersed data centers seems like the way to go to get the RTO and RPO as close to zero as possible.
OM
Omega
1 year ago
I'm not totally sure about the differences between DWDM, MPLS, and Metro Ethernet. I'll need to make sure I understand those networking technologies before answering.
AL
Alaine
1 year ago
Okay, I've got this. The key is to use synchronous replication over geographically dispersed dual data centers to meet the RTO and RPO requirements. Option B looks like the best choice.
HU
Hubert
1 year ago
Hmm, I'm a bit confused by the different replication methods and data center technologies mentioned. I'll need to review my notes on those concepts.
MI
Miriam
1 year ago
This looks like a tricky question. I'll need to think carefully about the requirements for RTO and RPO being as close to zero as possible.
KA
Kasandra
1 year ago
Okay, I've got a strategy here. I'll eliminate the options that don't seem directly related to the purpose, then choose the one that best aligns with identifying critical capabilities.
CH
Chau
1 year ago
I'm a bit confused by the wording of this question. I'll need to re-read it a few times to make sure I understand the concepts before answering.
MA
Maybelle
1 year ago
The term "formulary" doesn't seem to fit here, and "case rate" sounds more like a payment method. I think I'll go with "carve-out" too.
RA
Raul
1 year ago
I think sharing GPUs between containers on ACK is a feature, but I'm not entirely sure if it's always efficient.
LI
Lindsey
1 year ago
Synchronous replication, you say? I hope the CTO has deep pockets, because that's going to cost them an arm and a leg. But hey, at least they'll have the data to reattach those limbs!
KA
Kaitlyn
1 year ago
C) synchronous replication over dual data centers via Metro Ethernet
EL
Elinore
1 year ago
B) synchronous replication over geographically dispersed dual data centers via MPLS
ME
Melodie
1 year ago
A) asynchronous replication over dual data centers via DWDM
VI
Victor
1 year ago
I heard the CTO wants the RTO and RPO to be as close to zero as possible. That's like asking for a unicorn to deliver the data via telepathy. Good luck with that!
SH
Sheridan
1 year ago
C) synchronous replication over dual data centers via Metro Ethernet
GL
Glory
1 year ago
B) synchronous replication over geographically dispersed dual data centers via MPLS
KR
Kristin
1 year ago
A) asynchronous replication over dual data centers via DWDM
DI
Dion
1 year ago
Option A sounds like a solid choice to me. Asynchronous replication over dual data centers via DWDM is the way to go. It's fast, reliable, and you can't beat that dual data center setup. Plus, the name 'DWDM' just sounds cool, doesn't it?
RI
Rikki
1 year ago
Definitely, it's a reliable and efficient solution for meeting those RTO and RPO requirements.
TE
Tequila
1 year ago
And with asynchronous replication, you can ensure that data is being backed up without affecting performance.
OS
Osvaldo
1 year ago
I agree, having that dual data center setup definitely adds an extra layer of protection.
LA
Lamar
1 year ago
Option A sounds like a solid choice to me. Asynchronous replication over dual data centers via DWDM is the way to go.
GR
Grover
1 year ago
I'm all about that low latency life, so I'm going with option C - synchronous replication over dual data centers via Metro Ethernet. It may not be as geographically dispersed, but the speed and reliability will be top-notch.
JO
Jolanda
2 years ago
I think option A) asynchronous replication over dual data centers via DWDM is the best choice for achieving zero RTO and RPO.
CA
Catherin
2 years ago
I disagree, I believe the correct answer is C) synchronous replication over dual data centers via Metro Ethernet.
LY
Lynelle
2 years ago
Hold on, aren't we forgetting the cost factor here? Synchronous replication can be pretty pricey. I'm leaning towards option D - asynchronous replication over geographically dispersed dual data centers via CWDM. It may not be as fast, but it's more budget-friendly.
SH
Shaniqua
1 year ago
User 2: Option D does seem like a more budget-friendly choice.
NA
Nan
1 year ago
User 1: I agree, cost is definitely a factor to consider.
ST
Stephane
2 years ago
Wow, an RTO and RPO close to zero? That's a tall order! I'd say option B - synchronous replication over geographically dispersed dual data centers via MPLS is the way to go. It's the most robust solution to ensure minimal data loss and downtime.
CR
Crista
2 years ago
I think the answer is B) synchronous replication over geographically dispersed dual data centers via MPLS.
NI
Nida
2 years ago
But MPLS provides better reliability and lower latency, which is important for achieving zero RTO and RPO.
MA
Marti
2 years ago
I disagree, I believe the answer is C) synchronous replication over dual data centers via Metro Ethernet.
NI
Nida
2 years ago
I think the answer is B) synchronous replication over geographically dispersed dual data centers via MPLS.