Alibaba Exam ACA-Cloud1 Topic 3 Question 62 Discussion

Actual exam question for Alibaba's ACA-Cloud1 exam

Question #: 62
Topic #: 3

A video streaming company uses SLB to distribute user requests to 30 ECS instances (the 30 ECS instances have the same configuration). Yet, the company finds that the service traffic soars dramatically every night from 20:00 to 02:00. According to their calculation, the evening traffic is 100% higher than the traffic in other periods of time. To properly respond to user requests, which of the following methods is most preferred from the perspective of cost and implementation simplicity?

AConfigure Auto Scaling appropriately to automatically add or reduce ECS instances.

BManually create 30 ECS instances using the custom image, and then add them to SLB every night before 20:00 and remove them after 02:00.

CCreate 30 ECS instances based on the custom image and add them to SLB. Then, configure weights for these ECS instances to respond to user requests every night from 20:00 to 02:00, and reset those weights to zero for other periods of time.

DConfigure Auto Scaling appropriately to automatically upgrade/downgrade the ECS instances.

Show Suggested Answer

Suggested Answer: A

https://www.alibabacloud.com/product/auto-scaling

by Maurine at Apr 26, 2024, 06:19 AM

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Alishia

1 day ago

I disagree, manual scaling gives more control.

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Maira

7 days ago

Auto Scaling is definitely the way to go!

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Ty

13 days ago

I feel like option D is similar to what we practiced, but I’m not clear on the difference between upgrading/downgrading versus adding/removing instances.

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Andra

19 days ago

I think configuring weights for the ECS instances could work, but it might be more complex than just using Auto Scaling.

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Von

25 days ago

I'm not entirely sure, but manually creating instances every night sounds really tedious and could lead to errors.

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Julene

1 month ago

I remember we discussed Auto Scaling in class, and it seems like the most efficient way to handle fluctuating traffic.

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Terina

1 month ago

I'm a little unsure about the details of how Auto Scaling works, so I'm not 100% sure if option A is the best choice. The manual approach in option B seems like it could work, but it does sound like a lot of effort. I might need to do some research on Auto Scaling before making a decision.

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Maynard

1 month ago

Option A looks like the way to go here. Auto Scaling is designed to handle these kinds of traffic fluctuations, and it should be the most efficient and low-maintenance solution. I feel pretty confident that this is the best approach for this scenario.

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Eugene

1 month ago

This seems like a classic case of handling traffic spikes. I'd probably go with option A and configure Auto Scaling to automatically add or reduce instances as needed. That seems like the most cost-effective and straightforward solution.

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Dean

1 month ago

Hmm, I'm a bit confused by the options. Manually creating and removing instances every day seems like a lot of work, and I'm not sure I fully understand the weight configuration in option C. I think I'll need to re-read the question and options carefully before deciding.

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Vernice

1 month ago

This seems straightforward. Option B looks like the best fit since it has the 'Contact' array with the individual contact details, which aligns with the card layout.

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Alton

1 month ago

Okay, I think I've got this. Consolidating shipments and reducing pickups should primarily reduce total transportation costs, which is option C. The other choices don't seem as directly related to those logistics strategies.

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Dylan

1 month ago

I think option D is the best way to go. Trying to work around the delays or proceed without the escort could lead to incomplete or inaccurate results.

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