Alibaba Exam ACA-Developer Topic 6 Question 44 Discussion

Actual exam question for Alibaba's ACA-Developer exam

Question #: 44
Topic #: 6

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?

AImplement ApsaraDB for Redis in Cluster Mode

BInstall Redis on an ECS instance

CImplement ApsaraDB for Redis in Standard Mode

DMigrate the ROS database to HBase to save the cache layer

Show Suggested Answer

Suggested Answer: B, C, D

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

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Kenneth

2 days 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

3 days ago

I agree with Jennifer, option A seems like the most reliable choice for maintaining uptime.

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Jennifer

10 days ago

I think option A would work best because ApsaraDB for Redis in Cluster Mode provides high availability.

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