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Exam AZ-204 topic 1 question 37 discussion

Actual exam question from Microsoft's AZ-204

Question #: 37
Topic #: 1

HOTSPOT
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You are developing an application that includes two Docker containers.

The application must meet the following requirements:

• The containers must not run as root.
• The containers must be deployed to Azure Container Instances by using a YAML file.
• The containers must share a lifecycle, resources, local network, and storage volume.
• The storage volume must persist through container crashes.
• The storage volume must be deployed on stop or restart of the containers.

You need to configure Azure Container Instances for the application.

Which configuration values should you use? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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Suggested Answer:

by imanonion at Jan. 7, 2023, 2:15 a.m.

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armpro

Highly Voted 2 years, 5 months ago

Ans: Container group, EmptyDir Container group is the only logical answer that can have shared lifecycle https://learn.microsoft.com/en-us/azure/container-instances/container-instances-container-groups?source=recommendations#what-is-a-container-group Azure files need root permission Secret is for secrets and read-only EmtyDir can persist through crash and redeployed on stop and restart https://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-emptydir#emptydir-volume Cloned Git Repo also does the job but it needs more details like Git URL and stuff which are not mentioned to be available in the question

upvoted 54 times

BrownieP

5 months, 3 weeks ago

Ans: Container group, EmptyDir Shared lifecycle: Container group. This ensures that the containers share a lifecycle, resources, local network, and storage volume. Storage volume: Empty directory; the appropriate storage volume option would be empty directory. This option allows the containers to run without root privileges while still providing a shared storage volume that persists through container crashes

upvoted 1 times

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TonyMel

2 years, 3 months ago

correct, in 2023Mar24, score:904/1000

upvoted 11 times

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narenazure

2 years, 5 months ago

Data in an emptyDir volume is persisted through container crashes. Containers that are restarted, however, are not guaranteed to persist the data in an emptyDir volume. If you stop a container group, the emptyDir volume is not persisted.

upvoted 4 times

Esward

2 years, 5 months ago

Gievn answers are correct!!

upvoted 1 times

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alekomar

2 years, 4 months ago

There is no requirement to persist the data in a volume between restarts

upvoted 4 times

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GuruPratap

Highly Voted 2 years, 3 months ago

Chat GPT : Container Group, Azure fileshare

upvoted 10 times

rgullini

2 years, 2 months ago

Cannot be Azure File Share as requirement is not to run as root. https://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-azure-files

upvoted 10 times

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MortisG

Most Recent 4 weeks, 1 day ago

Correct answer is Container Group & Azure File Share. Azure File Share is the only solution that provides persistent shared storage through crashes and restarts. EmptyDir does not.

upvoted 1 times

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Thameur01

2 months, 1 week ago

Ans: Container group, EmptyDir, please update the answer

upvoted 1 times

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hasala

2 months, 2 weeks ago

GPT: Storage volume: ✔ Answer: Azure file share 📌 Explanation: An Azure File Share provides persistent, durable storage that survives container crashes and restarts. This is the only option listed that fully meets the persistence requirement. Options like Empty directory are temporary and reset on restart.

upvoted 1 times

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Kensington

10 months, 2 weeks ago

Container group is the only logical answer, as mentioned by others. Emptydir lifecycle is tied to the container group and therefore persists for individual container crashes. GitRepo makes less sense as it's ready-only and is mostly used for scenarios where you want to load code into your app. https://learn.microsoft.com/en-us/azure/container-instances/container-instances-volume-emptydir

upvoted 1 times

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8ac3742

11 months ago

The Storage Volume should Azure File Share, An Empty directory (or emptyDir) in Azure Container Instances is a type of ephemeral storage volume. An Empty directory provides a writable directory that is accessible to each container in a container group. When the container group is created, the directory is initially empty, hence the name "emptyDir"1. Empty directories are commonly used for: scratch space: Temporary storage for data that doesn’t need to persist beyond the container’s lifecycle. Checkpointing: Storing intermediate results during long-running tasks. Sidecar containers: Sharing data between a main application container and a sidecar container, such as logs or temporary files1.

upvoted 2 times

Ody

6 months, 1 week ago

I think this is the correct answer... now. Maybe not in the past. Now, we can use Managed Identities. az container create \ --resource-group <your-resource-group> \ --name <your-container-instance-name> \ --image <your-container-image> \ --assign-identity <your-managed-identity-id> \ --azure-file-volume-account-name <your-storage-account> \ --azure-file-volume-share-name <your-file-share> \ --azure-file-volume-mount-path <mount-path> \ --role StorageBlobDataContributor https://learn.microsoft.com/en-us/answers/questions/2075070/mount-volumes-in-aci-but-without-using-storage-acc

upvoted 1 times

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Isoldhe

1 year, 4 months ago

ChatGPT: Azure Container Group, Azure Fire Share

upvoted 2 times

ThierryAhn

1 year, 3 months ago

Azure file share volume mount requires the container run as root, so can not be.

upvoted 2 times

Christian_garcia_martin

10 months, 3 weeks ago

you dont be root if you modify the ownership and permissions using the chown and chmod commands after mounting the share in your startup script or Dockerfile .So Azure File share is ok

upvoted 1 times

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AhmedAbdelAziz

1 year, 5 months ago

Ans: Container group, EmptyDir EmptyDir doesn't required run as root , also support data persistence throw container crashes although it doesn't grantee persist the data in a volume between restarts as there is no requirement like that

upvoted 1 times

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manopeydakon

1 year, 5 months ago

Container Group, Azure fileshare, You can set the user and group IDs for each container in the Docker image to ensure they do not run as the root user. This is typically done using the USER instruction in the Dockerfile. Azure File Share can be mounted as a volume in each container to provide shared storage. With these modifications, your containers will run with non-root users, and they will share storage using an Azure File Share.

upvoted 2 times

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dddddd111

1 year, 8 months ago

Ans: Container group and Azure File share.

upvoted 4 times

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nayru

1 year, 9 months ago

Got on 26/09/23 and chose container group and empty dir (score 910)

upvoted 5 times

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katrang

1 year, 9 months ago

Shared Lifecycle - Container Group Storage volume - The storage volume must persist through container crashes, so emptyDir meets the requirements

upvoted 2 times

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JH81

1 year, 12 months ago

Got this on 6/28/2023 and passed with 850. Went with Container group, EmptyDir.

upvoted 3 times

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aragones

2 years, 1 month ago

Got this 2023-05-12. my cases also: case: You need to configure authorization. case: You need to ensure the app does not time out and processes the blob data case study: VanArsdel Inc Canada

upvoted 4 times

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GuruPratap

2 years, 3 months ago

Container Group, Azure fileshare For Shared lifecycle, the appropriate configuration setting would be "Container Group," which allows multiple containers to be deployed together as a group and share a local network, storage, and lifecycle. For Storage volume, the appropriate configuration setting would be "Azure file share," which provides a durable and highly available storage solution that can be mounted as a volume in the container instance. This ensures that the storage volume persists through container crashes and can be deployed on stop or restart of the containers.

upvoted 4 times

rgullini

2 years, 2 months ago

Azure File Share requires root. It is EmptyDir

upvoted 6 times

dddddd111

1 year, 8 months ago

No, using Azure File Share does not require running containers as root. Azure File Share allows you to mount a shared file system to containers in Azure Container Instances without the need for elevated privileges. You can mount Azure File Share to your containers securely without running them as root, ensuring better security practices.

upvoted 3 times

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varinder82

2 years, 3 months ago

Could anyone give the correct answare. As it is quite confusing from the comments and multiple people having diff. options

upvoted 6 times

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