Alibaba ACA-Developer Exam - Topic 5 Question 22 Discussion

Actual exam question for Alibaba's ACA-Developer exam

Question #: 22
Topic #: 5

If a user finds that the Content Delivery Network (CDN) cache hit rate is low, what could be the reason? (Number of correct answers: 3)

AWhen the website has low traffic, the CDN will receive fewer requests and this will result in a lower cache hit rate.

BInsufficient bandwidth was selected when enabling the CDN service, causing the service capacity reach its limit too early.

CHTTP Header settings may cause cache misses.

DThe origin site has a large number of dynamic resources.

ECache configuration is inappropriate (ex. overly short Cache Expiry Time for popular files).

Show Suggested Answer

Suggested Answer: A, B, E

by Dierdre at May 08, 2022, 04:41 AM

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Reuben

4 months ago

Insufficient bandwidth is a big factor too, can't overlook that!

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Renato

4 months ago

Wait, so the cache expiry time can really affect this? That's wild!

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Miles

4 months ago

Don't forget about the HTTP Header settings! They can really mess things up.

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Kenneth

4 months ago

I disagree, I think it's more about the dynamic resources.

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James

5 months ago

A low traffic site can definitely lead to a low cache hit rate.

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Hyun

5 months ago

Hmm, this seems like a tricky one. I'll need to think through the relationships between the different tables to figure this out.

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Gladis

5 months ago

The question seems straightforward to me. The Slider widget is designed for selecting a single value, not multiple values. I'm confident the answer is False.

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Karol

5 months ago

I think option A sounds familiar! It might be similar to that practice question where we had to extend components for additional functionalities.

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Dallas

5 months ago

Okay, let's see. The error message points to an authentication issue, so I'll focus on checking the StoreFront and Citrix Gateway settings first.

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