Alibaba Exam ACA-CloudNative Topic 4 Question 109 Discussion

Actual exam question for Alibaba's ACA-CloudNative exam

Question #: 109
Topic #: 4

Choose the statements that are TRUE about Microservices architecture in microservice pattern? (The number of correct answer: 2)

AAll communications and business logic should use a middleware called ESB(enterprise service bus), so all service maintenance will be in one place.

BExternal applications should use API Gateway

CCommunications from other applications should directly use Database PL/SQL, it will become efficient

DCommunication in microservices architecture should use Proxy and VPN, and it will be more secured

EUse session from webservice for stateless Authentication R Use JSON Web Tokens(JWT) for stateless Authentication

Show Suggested Answer

Suggested Answer: A, B

by Roxane at Mar 23, 2025, 04:10 PM

Limited Time Offer

25%

18 days ago

B and E are the correct answers. Using a middleware like ESB goes against the core principles of microservices, and direct database access is a big no-no.

upvoted 0 times

Jacquline

7 days ago

B) External applications should use API Gateway

upvoted 0 times

...

Lawrence

23 days ago

I agree with you, Lawrence. API Gateway and JWT are essential in Microservices architecture.

upvoted 0 times

...

Skye

25 days ago

I think B and E are the correct statements.

upvoted 0 times

...