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Alibaba ACA-Developer Exam - Topic 6 Question 44 Discussion

Actual exam question for Alibaba's ACA-Developer exam
Question #: 44
Topic #: 6
[All ACA-Developer Questions]

A Developer is asked to implement a caching layer in front of RDS. Cached content is expensive to regenerate in case of service failure. Which implementation below would work while maintaining maximum uptime?

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Suggested Answer: B, C, D

by Casie at Jul 25, 2023, 01:46 AM

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Laura
3 months ago
Definitely agree, Cluster Mode offers better reliability.
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Alonso
3 months ago
Surprised that HBase is even an option here!
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Nu
4 months ago
Installing Redis on ECS sounds risky for uptime.
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Annice
4 months ago
I think Standard Mode might not handle failures well.
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Taryn
4 months ago
ApsaraDB for Redis in Cluster Mode is the way to go!
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Alishia
4 months ago
Migrating to HBase seems like a drastic step just to save on caching. I don't recall that being a recommended approach in our studies, but I could be wrong.
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King
4 months ago
I'm a bit confused about the advantages of using ApsaraDB for Redis in Standard Mode versus Cluster Mode. I feel like Cluster Mode might be more resilient, but I need to double-check that.
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Rikki
5 months ago
I remember practicing a similar question where we had to choose between different caching strategies. I think installing Redis on an ECS instance might not provide the same level of reliability.
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Aleisha
5 months ago
I think implementing ApsaraDB for Redis in Cluster Mode could be the best option for maintaining uptime, but I'm not entirely sure about the differences between cluster and standard modes.
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Karina
5 months ago
Hmm, I'm a bit unsure about the differences between Architecture Building Blocks and regular Building Blocks. I'll need to think this through carefully.
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Leonor
5 months ago
This one seems pretty straightforward. I'm pretty confident I know the right answer here.
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Mollie
5 months ago
Hmm, I'm not too sure about this one. I'd probably start with netstat to check the network connections, but I'm not confident that's the best approach.
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Serina
10 months ago
Ah, the classic 'cache or HBase' dilemma. I wonder if they'll also consider implementing a blockchain-based microservices architecture to really make things interesting.
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Alaine
9 months ago
C: Implement ApsaraDB for Redis in Standard Mode
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Ressie
9 months ago
B: Install Redis on an ECS instance
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Dalene
9 months ago
A: Implement ApsaraDB for Redis in Cluster Mode
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Colton
10 months ago
ApsaraDB for Redis in Standard Mode could work, but I think the Cluster Mode is a better choice to handle the expensive cached content in case of service failures.
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Maybelle
9 months ago
A: Definitely, it's important to have a reliable caching layer in case of service failures.
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Emile
9 months ago
B: I agree, it would help maintain maximum uptime for the cached content.
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Theodora
10 months ago
A: I think implementing ApsaraDB for Redis in Cluster Mode would be the best option.
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Krissy
10 months ago
Installing Redis on an ECS instance might work, but I'm worried about managing the Redis server and ensuring high uptime. The managed ApsaraDB for Redis solution seems more appealing.
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Renay
8 months ago
D: Migrating the ROS database to HBase seems like a drastic solution, ApsaraDB for Redis in Cluster Mode is a safer bet.
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Reuben
8 months ago
C: ApsaraDB for Redis in Cluster Mode provides better scalability and reliability.
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Deonna
8 months ago
B: I agree, managing a Redis server on an ECS instance could be risky in terms of uptime.
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Donette
9 months ago
A: I think implementing ApsaraDB for Redis in Cluster Mode would be the best option for maximum uptime.
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Ahmed
9 months ago
D: Migrating the ROS database to HBase seems like a drastic solution compared to using ApsaraDB for Redis.
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Deandrea
9 months ago
C: ApsaraDB for Redis in Standard Mode could also work well for maintaining high availability.
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Rodrigo
10 months ago
B: I agree, managing a Redis server on an ECS instance could be risky in terms of uptime.
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Leonor
10 months ago
A: I think implementing ApsaraDB for Redis in Cluster Mode would be the best option for maximum uptime.
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Kenda
10 months ago
That's a good point, but I still think option A is the safest choice for maintaining maximum uptime.
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Ryan
10 months ago
I disagree, I believe option C is better as ApsaraDB for Redis in Standard Mode is more cost-effective.
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Tamar
10 months ago
I'm not sure about migrating the RDS database to HBase just to save the cache layer. That seems like overkill and could introduce more complexity than necessary.
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Mila
10 months ago
B: I agree, it would provide high availability and scalability for the caching layer.
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Clay
10 months ago
A: I think implementing ApsaraDB for Redis in Cluster Mode would be the best option.
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Luisa
10 months ago
Implementing ApsaraDB for Redis in Cluster Mode sounds like the way to go. It'll provide high availability and scalability for the caching layer.
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Kenda
10 months ago
I think option A would work best because ApsaraDB for Redis in Cluster Mode provides high availability.
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Kenneth
10 months ago
I'm not sure, but I think option C could also work well since ApsaraDB for Redis in Standard Mode is also a good choice for caching.
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Marshall
11 months ago
I agree with Jennifer, option A seems like the most reliable choice for maintaining uptime.
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Jennifer
11 months ago
I think option A would work best because ApsaraDB for Redis in Cluster Mode provides high availability.
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