Alibaba ACA-Developer Exam - Topic 3 Question 95 Discussion

Actual exam question for Alibaba's ACA-Developer exam

Question #: 95
Topic #: 3

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 Melynda at Mar 31, 2026, 11:42 AM

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