Discuss Salesforce Salesforce Certified MuleSoft Developer II (Mule-Dev-301) Exam Topic 2 Question 10

Two APIs are deployed to a two-node on-prem cluster. Due to a requirements change, the two APIs must communicate to exchange data asynchronously.

AIf the two APIs use the same domain, the VM Connector can be leveraged

BThe VM Connector is used to inter-application communication, so it is not possible to use the VM Connector

CInstead of using the VM Connector use <flow-ref>directly

DIt is not possible to use the VM Connector since the APIs are running in a cluster mode and each mode has it own set of VM Queues

Suggested Answer: A

To communicate asynchronously between two APIs deployed to a two-node on-prem cluster, the developer can use the VM Connector if the two APIs use the same domain. The VM Connector allows passing messages between different Mule applications within a single Mule runtime instance or across different instances using shared memory or persistent storage. If two APIs are deployed under the same domain, they can share resources such as VM queues and communicate asynchronously using VM Connector operations. Reference: https://docs.mulesoft.com/mule-runtime/4.3/vm-connector https://docs.mulesoft.com/mule-runtime/4.3/shared-resources

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30 comments · newest first

Vince 11 months ago

Wait, are we sure about B? I thought VM Connector was versatile.

Mitsue 11 months ago

D seems surprising, I thought clusters could still use VM Queues.

Beth 12 months ago

C sounds like a good alternative, using directly could simplify things.

Telma 12 months ago

I disagree, B makes more sense for inter-application communication.

Devorah 1 year ago

A is correct, same domain means VM Connector can work.

Maia 1 year ago

I think option D makes sense because I remember something about VM Queues being specific to each mode in a cluster. That could be a valid reason to not use the VM Connector.

Lina 1 year ago

I’m a bit confused about option C. I recall using in some scenarios, but I’m not sure if it applies here for asynchronous communication.

Blondell 1 year ago

I remember practicing a question about inter-application communication, and I feel like option B might be correct since the VM Connector is specifically for that.

Tequila 1 year ago

I think option A sounds familiar, but I'm not entirely sure if the VM Connector can really be used for APIs in the same domain.

Erick 1 year ago

Okay, I think I've got a strategy here. Since the APIs need to communicate asynchronously, using a direct flow-ref might be the way to go, as option C suggests.

Son 1 year ago

Hmm, I'm a bit confused about the VM Connector part. I'll need to review the documentation on how it works with clustered applications.

Dolores 1 year ago

This looks like a tricky one. I'm not sure if the VM Connector is the right solution here since the question mentions the APIs are deployed to a cluster.

Janine 1 year ago

I'm feeling pretty confident about this one. If the APIs are on the same domain, the VM Connector should work, as option A states.

Audra 1 year ago

Good point, Emily. I think the question is hinting that we need to consider the specific requirements for each cloud when it comes to data processing restrictions.

Stevie 1 year ago

This seems like a straightforward question about management styles. I'm pretty confident I can identify the correct approach based on the information provided.

Shayne 1 year ago

I'm a bit unsure about this one. There are a lot of different Intel processor models, and I'm not sure I can confidently identify the specific one used in this Huawei system. I'll have to carefully read through the answer choices and see if I can eliminate any options.

Janey 2 years ago

I'm pretty sure the correct answer is option A. The VM Connector is designed for exactly this kind of inter-application communication scenario.

Alyssa 2 years ago

Haha, this question is a real head-scratcher! I'm going to go with option B just to mess with the graders.

Leota 2 years ago

Option C is the way to go. Instead of using the VM Connector, we should use a direct flow-ref to enable the communication between the APIs.

Rikki 2 years ago

Option D seems more plausible to me. The APIs are running in a cluster mode, and each node has its own set of VM Queues, so the VM Connector can't be used.

Socorro 2 years ago

↳ replying to Rikki

Yes, you're right. Using the VM Connector in this scenario would not work due to the separate VM Queues for each node in the cluster.

Kris 2 years ago

↳ replying to Rikki

Option D seems more plausible to me. The APIs are running in a cluster mode, and each node has its own set of VM Queues, so the VM Connector can't be used.

Whitley 2 years ago

I'm not sure, but option D makes sense since each mode has its own set of VM Queues.

Verona 2 years ago

I think option A is correct. The VM Connector can be used to enable communication between the two APIs since they are on the same domain.

Shoshana 2 years ago

↳ replying to Verona

It seems like the decision depends on the specific requirements of the APIs and their communication needs.

Toi 2 years ago

↳ replying to Verona

Option C suggests using directly instead of the VM Connector.

Renato 2 years ago

↳ replying to Verona

But what if the VM Connector is not suitable for inter-application communication?

Huey 2 years ago

↳ replying to Verona

I think option A is correct. The VM Connector can be used to enable communication between the two APIs since they are on the same domain.

Shayne 2 years ago

I disagree, I believe option C is better as it directly references the flow.

Skye 2 years ago

I think option A is the best choice because the APIs are in the same domain.

Salesforce Certified MuleSoft Developer II (Mule-Dev-301) Exam - Topic 2 Question 10 Discussion