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Exam AZ-400 topic 7 question 33 discussion

Actual exam question from Microsoft's AZ-400

Question #: 33
Topic #: 7

You plan to create an image that will contain a .NET Core application.
You have a Dockerfile file that contains the following code. (Line numbers are included for reference only.)

You need to ensure that the image is as small as possible when the image is built.
Which line should you modify in the file?

A. 1
B. 3
C. 4
D. 7

Show Suggested Answer

Suggested Answer: C 🗳️

by artisticcheese at Dec. 5, 2019, 3:55 p.m.

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artisticcheese

Highly Voted 5 years ago

Correct answer is 4. Final image shall not be sdk but runtime image

upvoted 92 times

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coma74

Highly Voted 4 years, 9 months ago

I agree correct answer is 4 because the production runtime doesn't include a sdk.

upvoted 16 times

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4bd3116

Most Recent 7 months ago

Selected Answer: C

line 04, change from using the SDK image to using a runtime image.

upvoted 1 times

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ozbonny

9 months, 2 weeks ago

Selected Answer: C

Line 4 wrong

upvoted 1 times

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Hillah

10 months, 3 weeks ago

line 4

upvoted 1 times

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vsvaid

11 months, 3 weeks ago

Selected Answer: C

Line 4

upvoted 1 times

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yana_b

1 year, 2 months ago

Selected Answer: C

This question is the same as question 25

upvoted 1 times

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syu31svc

2 years, 4 months ago

Selected Answer: C

Why do you need sdk twice? Answer is C

upvoted 3 times

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UnknowMan

2 years, 7 months ago

Selected Answer: C

Use a runtime image not a Sdk image to run the app

upvoted 1 times

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rdemontis

2 years, 8 months ago

Selected Answer: C

correct answer is C. You don't need to use the SDK to run the application. You only need the runtime.

upvoted 2 times

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lugospod

2 years, 10 months ago

Got this January 2022.

upvoted 4 times

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cirojascr

2 years, 10 months ago

Selected Answer: C

Correct is line 4, should be taken the runtime environment image

upvoted 1 times

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Sara_Mo

2 years, 10 months ago

Selected Answer: C

Correct answer is line 4. Final image shall not be sdk but runtime image

upvoted 1 times

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rliberoff

2 years, 11 months ago

Selected Answer: C

It does not make sense to remove the SDK!!! How do you build then? Come on @ExamTopics, it is obvious that the correct answer is C, line 04! FIX THIS!

upvoted 1 times

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arpi79

2 years, 12 months ago

Selected Answer: C

Correct answer is line 4. Final image shall not be sdk but runtime image

upvoted 1 times

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AndyPix

2 years, 12 months ago

Selected Answer: C

Must use runtime, not sdk at line 4

upvoted 1 times

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Keem

3 years, 2 months ago

The end result is the same tiny production image as before, with a significant reduction in complexity. You don’t need to create any intermediate images and you don’t need to extract any artifacts to your local system at all. How does it work? The second FROM instruction starts a new build stage with the alpine:latest image as its base. The COPY --from=0 line copies just the built artifact from the previous stage into this new stage. The Go SDK and any intermediate artifacts are left behind, and not saved in the final image.

upvoted 2 times

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