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Alibaba ACA-CloudNative Exam - Topic 4 Question 109 Discussion

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

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

Suggested Answer: A, B

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39 comments · newest first
SH
Shelba 9 months ago
Wait, using Proxy and VPN for communication? That’s new to me!
DO
Donte 9 months ago
C sounds really off, direct DB access isn't efficient!
EL
Elfrieda 10 months ago
I disagree with A, ESB isn't always needed.
IS
Isabella 10 months ago
I vaguely recall that direct database access from other applications isn't a good practice in microservices, which makes option C seem wrong.
VI
Virgie 10 months ago
I feel like using JWT for stateless authentication is a common practice in microservices, so option E might be correct too.
PE
Pearly 10 months ago
I'm not entirely sure about ESB being necessary for microservices; I thought the idea was to avoid a single point of failure, which makes option A seem questionable.
DE
Desiree 10 months ago
B and E are definitely true!
DO
Doug 10 months ago
I remember we discussed that API Gateway is crucial for managing external application requests, so I think option B is definitely true.
BU
Buck 11 months ago
E is a must for stateless auth, love JWT!
DA
Daniel 11 months ago
I feel pretty confident about this one. The API Gateway and stateless authentication using JWT are definitely key aspects of microservices architecture. I'll select those options.
LI
Ligia 11 months ago
I'm a bit confused by some of these choices. Using a VPN for communication doesn't sound like a microservices best practice to me. I'll have to double-check my understanding of the core principles.
RO
Roxane 11 months ago
Okay, I've got a strategy here. I'll start by eliminating the clearly wrong answers, like the one about using the database directly. Then I can focus on evaluating the remaining options.
LO
Louann 12 months ago
Hmm, the question is asking about true statements, so I'll need to analyze each option closely. The ESB one seems questionable, but the API Gateway option sounds right.
JA
Javier 12 months ago
This looks like a tricky question on microservices architecture. I'll need to carefully review the options and think through the best practices.
LO
Lorriane 12 months ago
Whoa, that's a lot of information to digest. I better take my time and really think through each option to make sure I don't miss anything important.
TI
Tiera 1 year ago
I'm feeling pretty confident about this one. The correct answers are B and E - using an API gateway for external applications and JSON Web Tokens for stateless authentication.
TA
Tandra 1 year ago
Okay, I think I've got a handle on this. The key is to identify the options that align with best practices for microservices, like using an API gateway and stateless authentication.
EM
Emmett 1 year ago
Hmm, I'm a bit unsure about this one. The options seem to cover a range of different microservices concepts, and I'll need to make sure I understand the differences between them.
AR
Arthur 1 year ago
This looks like a tricky question on microservices architecture. I'll need to carefully read through the options and think about the best practices for microservices communication and security.
WI
Willie 2 years ago
JWT for stateless authentication? That's the way to go! No more session headaches in my microservices.
KY
Kyoko 1 year ago
↳ replying to Willie
E) Use JSON Web Tokens(JWT) for stateless Authentication
EV
Eve 1 year ago
↳ replying to Willie
B) External applications should use API Gateway
KE
Keneth 2 years ago
I'm not sure about A, but I definitely think B and E are crucial for Microservices architecture.
LI
Lino 2 years ago
D is just overkill. Proxy and VPN? Microservices are supposed to be lightweight and scalable, not a fortress!
CA
Carey 1 year ago
↳ replying to Lino
Definitely, the whole point of microservices is to make things more efficient and flexible.
JU
Jules 1 year ago
↳ replying to Lino
I agree, D does seem like overkill. Microservices should be lightweight and scalable.
IN
Inocencia 1 year ago
↳ replying to Lino
E) Use session from webservice for stateless Authentication R Use JSON Web Tokens(JWT) for stateless Authentication
LI
Ligia 1 year ago
↳ replying to Lino
B) External applications should use API Gateway
DA
Daryl 2 years ago
I believe A and D are also correct. Using ESB and Proxy/VPN can enhance security and maintenance.
LU
Luther 2 years ago
Haha, C is a terrible idea! Accessing the database directly from external apps? That's like inviting a hacker to your house and giving them the keys.
QU
Queenie 1 year ago
↳ replying to Luther
I agree, accessing the database directly is a huge security risk!
GE
Georgiann 1 year ago
↳ replying to Luther
E) Use session from webservice for stateless Authentication R Use JSON Web Tokens(JWT) for stateless Authentication
BR
Brittni 2 years ago
↳ replying to Luther
B) External applications should use API Gateway
VI
Vincenza 2 years 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.
LE
Lettie 1 year ago
↳ replying to Vincenza
That's correct! Using ESB and direct database access are not recommended in microservices architecture.
RO
Robt 2 years ago
↳ replying to Vincenza
E) Use session from webservice for stateless Authentication R Use JSON Web Tokens(JWT) for stateless Authentication
JA
Jacquline 2 years ago
↳ replying to Vincenza
B) External applications should use API Gateway
LA
Lawrence 2 years ago
I agree with you, Lawrence. API Gateway and JWT are essential in Microservices architecture.
SK
Skye 2 years ago
I think B and E are the correct statements.
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