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

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.jpgCloud 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?
B) Issue a cache invalidation command with pattern /folder-a/*.
A) Add an appropriate lifecycle rule on the storage bucket.
C) Make sure that all the objects with prefix folder-a are not shared publicly.
D) Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.

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
10 months ago
C doesn't really address the caching issue at all.
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Carin
10 months ago
Wait, disabling and re-enabling CDN? That seems excessive!
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Merissa
10 months ago
A lifecycle rule won't help with cached copies.
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Kasandra
10 months ago
Definitely B, that's the quickest way!
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Milly
10 months ago
You can invalidate the cache with a command for folder-a.
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Madonna
10 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
11 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
11 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
11 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
11 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
11 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
11 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
11 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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