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Google Professional Cloud Developer Exam - Topic 3 Question 48 Discussion

Actual exam question for Google's Professional Cloud Developer exam
Question #: 48
Topic #: 3
[All Professional Cloud Developer Questions]

You manage an ecommerce application that processes purchases from customers who can subsequently cancel or change those purchases. You discover that order volumes are highly variable and the backend order-processing system can only process one request at a time. You want to ensure seamless performance for customers regardless of usage volume. It is crucial that customers' order update requests are performed in the sequence in which they were generated. What should you do?

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Suggested Answer: C

https://cloud.google.com/pubsub/docs/pull


by Bette at May 04, 2022, 04:13 PM

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Kaycee
4 months ago
Definitely need to keep requests in order, so C is the way to go!
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Marsha
4 months ago
Wait, can WebSockets really handle that many requests?
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Edmond
4 months ago
Push mode (Option D) seems risky, what if messages get lost?
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Sylvie
4 months ago
I think REST requests (Option B) would be simpler.
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Felicitas
5 months ago
Option C sounds solid for managing order sequence.
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Barney
5 months ago
I lean towards the push mode for Pub/Sub since it seems more efficient, but I’m not entirely confident about how it manages ordering compared to pull mode.
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Susana
5 months ago
I practiced a similar question about message ordering, and I think using a Pub/Sub model is a good idea, but I can't recall if pull or push is better for this scenario.
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Tu
5 months ago
I think using REST requests could work, but I feel like they might not handle the sequence as well as something else could.
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Dorathy
5 months ago
I remember we discussed the importance of maintaining order in requests, but I'm not sure if WebSockets would guarantee that.
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Laquita
5 months ago
Hmm, I'm not totally sure about this one. Encryption is used to protect data, but I don't think that's the right answer here. Let me think this through a bit more.
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Suzi
5 months ago
This looks like a tricky one. I'm not entirely sure about the correct syntax, but I think option D, "zlogin - z testzone - C", might be the way to go. I'll make a note to review the zone management commands before the exam.
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Veronika
5 months ago
This looks like a straightforward Linux command question. I think I know the answer, but I'll double-check the options just to be sure.
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