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Google Professional Cloud Network Engineer Exam - Topic 3 Question 26 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 26
Topic #: 3
[All Professional Cloud Network Engineer Questions]

You have a storage bucket that contains the following objects:

- folder-a/image-a-1.jpg

- folder-a/image-a-2.jpg

- folder-b/image-b-1.jpg

- folder-b/image-b-2.jpg

Cloud CDN is enabled on the storage bucket, and all four objects have been successfully cached. You want to remove the cached copies of all the objects with the prefix folder-a, using the minimum number of commands.

What should you do?

Show Suggested Answer Hide Answer
Suggested Answer: B

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Invalidation.html


by Raylene at May 07, 2022, 12:06 AM

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Mee
3 months ago
C doesn't really address the caching issue at all.
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Carin
3 months ago
Wait, disabling and re-enabling CDN? That seems excessive!
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Merissa
3 months ago
A lifecycle rule won't help with cached copies.
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Kasandra
4 months ago
Definitely B, that's the quickest way!
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Milly
4 months ago
You can invalidate the cache with a command for folder-a.
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Madonna
4 months ago
I don't think making the objects not publicly shared would help with cache invalidation. That option seems irrelevant to the question.
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Carissa
4 months ago
I feel like disabling and re-enabling Cloud CDN could work, but it sounds like a roundabout way to do it. Is that really the minimum number of commands?
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France
4 months ago
I'm not entirely sure, but I remember something about lifecycle rules. Wouldn't that take longer than just invalidating the cache?
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Nickie
5 months ago
I think the best option is to issue a cache invalidation command with the pattern /folder-a/*. That seems to directly target the cached objects we want to remove.
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Tish
5 months ago
Okay, I've got this. The key is to combine my knowledge of geography and spelling. I just need to figure out which option best reflects that.
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Glendora
5 months ago
Hmm, I'm a bit confused about this one. Is it just for generating log messages with a maximum of 5 visible fields? Or is it for enabling logs in general? I'll have to think about this one a bit more.
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Lavonda
5 months ago
I've seen this type of question before. The key is to pay attention to the file name and how to properly reference it. I'll go with A and D.
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Herminia
5 months ago
Hmm, I'm a bit unsure about this one. I'll need to review the Citrix documentation on resource locations and gateway routing to see which option would be the most effective.
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