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A company is designing a disaster recovery (DR) strategy for an SAP HANA database that runs on an Amazon EC2 instance in a single Availability Zone The company can tolerate a long RTO and an RPO greater than zero if it means that the company can save money on its DR process.
The company has configured an Amazon CloudWatch alarm to automatically recover the EC2 instance if the instance experiences an unexpected issue. The company has set up AWS Backint Agent for SAP HANA to save the backups into Amazon S3.
What is the MOST cost-effective DR option for the company's SAP HANA database?
Suggested Answer: D
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This option would allow the company to continue using Oracle Database while also meeting their compliance requirements, as they would not need to install any additional software on their on-premises servers. They can use Oracle Data Guard to replicate their existing Oracle Database to an instance running on AWS, providing a way to migrate their SAP landscape to AWS while still using the same database.
42 comments · newest first
AR
Art
11 months ago
D sounds too expensive with EBS involved.
MA
Malinda
11 months ago
Wait, can we really rely on just backups in S3?
MI
Misty
11 months ago
Not sure about B, that could lead to performance issues.
BE
Bette
12 months ago
I agree, A is the most economical route!
AL
Alonzo
12 months ago
Option A seems like a solid choice for cost savings.
BR
Brittni
12 months ago
I’m leaning towards option A because it mentions using S3, but I’m a bit confused about the restore process and whether it’s really the most cost-effective choice.
AL
Alverta
1 year ago
I practiced a similar question where we had to choose between instance types and replication options. I feel like option C could be more reliable, but it might cost more.
CR
Cristy
1 year ago
I think option B might be cheaper since it suggests using a less powerful EC2 instance, but I’m not entirely clear on how that affects RTO and RPO.
JE
Jerry
1 year ago
I remember that using AWS CloudFormation can automate the recovery process, but I'm not sure if using S3 for backups is the most cost-effective option.
NA
Nan
1 year ago
This is a tricky one. I'm not super familiar with SAP HANA and the different DR options, so I'll need to read through the question and options a few times to make sure I understand the nuances. I don't want to rush into an answer and get it wrong.
ES
Estrella
1 year ago
Okay, I think I've got a handle on this. The key is that the company wants to save money on the DR process, so we need to find the most cost-effective solution. Option B seems to fit that criteria by using a less powerful EC2 instance for the secondary site.
JO
Joseph
1 year ago
Hmm, I'm a bit confused on the differences between the options. Option A talks about using backups in S3, while option D mentions using EBS. I'm not sure which one would be more cost-effective. I'll need to think this through carefully.
MA
Maia
1 year ago
This question seems straightforward - we're looking for the most cost-effective DR option for the SAP HANA database. I think I'll go with option B since it mentions using a less powerful EC2 instance type, which should save on costs.
OC
Ocie
1 year ago
I'm pretty confident that option B is the right answer here. The question specifically mentions the "Knowledge component list", so that seems like the logical choice.
TA
Tarra
1 year ago
Easy peasy! The hypervisor abstracts the CPU and memory resources from the physical hardware and presents them to the virtual machines. This allows the VMs to have their own dedicated compute and storage resources.
LI
Lizbeth
1 year ago
Hmm, I'm a bit unsure about this one. The question is asking for two critical steps, but there are four options. I'll need to carefully read through each one to determine the best two answers.
HE
Hermila
1 year ago
I'm pretty sure this is testing whether bid-rigging is a systematic manipulation, not just a one-time thing.
AI
Aide
1 year ago
I feel like there's a balance between testing and speed, but I'm not entirely sure which answer best captures that.
BE
Benedict
1 year ago
I'm just here for the free coffee and donuts. Wait, this isn't that kind of exam? My bad.
SU
Sueann
1 year ago
Hmm, Option D seems a bit risky to me. Restoring from EBS backups might take longer than from S3, and the cost savings might not be that significant.
PE
Peggie
1 year ago
Yeah, Option A sounds like a safer and more cost-effective choice for the company's SAP HANA database DR strategy.
DA
Dallas
1 year ago
I think Option A could be a good compromise. Launching a new EC2 instance from S3 backups in a second Availability Zone seems like a reliable option.
LE
Leonida
1 year ago
I agree, restoring from EBS backups can be slower than from S3. Option D might not be the best choice.
TA
Tanesha
1 year ago
Option A looks good, but I'm not sure if the standard SAP HANA restore process is the most efficient. The CloudFormation automation is a nice touch, though.
CA
Carli
1 year ago
C: Maybe we can explore option D as well, it involves launching a new EC2 instance from backups stored in Amazon EBS.
JA
Janessa
1 year ago
B: I agree, but maybe we should consider other options for a more efficient restore process.
JO
Joanne
1 year ago
A: Option A sounds like a good choice, the automation with CloudFormation is a plus.
LY
Lynna
1 year ago
I think Option C is the way to go. The secondary instance has the same EC2 type, and with the preload option turned on, the recovery time should be faster.
AL
Allene
1 year ago
It's definitely a cost-effective option for the company's SAP HANA database DR strategy.
JE
Jerrod
1 year ago
I agree. With the preload option turned on, the recovery process should be quicker and more efficient.
OR
Ora
1 year ago
Option C sounds like a good choice. Having the same EC2 instance type for the secondary instance is important.
AN
Annette
2 years ago
Option B seems like the most cost-effective solution, as it uses a less powerful EC2 instance type. However, with the preload option turned off, the recovery time might be longer.
SO
Son
1 year ago
C) That's a good point. Option C might provide better performance with the preload option turned on, but it could be more expensive. It's a trade-off between cost and recovery time.
ST
Stefany
1 year ago
B) Option B seems like the most cost-effective solution, as it uses a less powerful EC2 instance type. However, with the preload option turned off, the recovery time might be longer.
JE
Jerry
1 year ago
C) Launch a secondary EC2 instance for the SAP HANA database on an equivalent EC2 instance type in a second Availability Zone Configure SAP HANA system replication with the preload option turned on
SH
Sherell
1 year ago
B) Launch a secondary EC2 instance for the SAP HANA database on a less powerful EC2 instance type in a second Availability Zone Configure SAP HANA system replication with the preload option turned off
YV
Yvonne
2 years ago
That's a good point, but I still think option A is more cost-effective in the long run.
JE
Jestine
2 years ago
I disagree, I believe option D is better as it uses Amazon EBS for backups which can be more reliable than S3.
YV
Yvonne
2 years ago
I think option A is the most cost-effective DR option because it automatically launches a new EC2 instance from backups in a second Availability Zone.
MI
Micaela
2 years ago
That's a good point, but I still think option A is more cost-effective in the long run.
SH
Sherita
2 years ago
I disagree, I believe option D is better as it uses Amazon EBS for backups which can be more reliable for disaster recovery.
MI
Micaela
2 years ago
I think option A is the most cost-effective DR option because it automatically launches a new EC2 instance from backups in a second Availability Zone.