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Exam AZ-303 topic 3 question 7 discussion

Actual exam question from Microsoft's AZ-303

Question #: 7
Topic #: 3

You create an Azure Kubernetes Service (AKS) cluster that uses B2s node size. The cluster configured as shown in the exhibit. (Click the Exhibit tab.)

You deploy a containerized application named App1 to the agentPool node pool in AKScluster1.
You need to create a containerized application named App2 that runs on four nodes of size DS3 v2.
What should you do first?

A. Upgrade the AKS cluster.
B. Create a new node pool.
C. Modify the autoscaling settings for the agentPool node pool.
D. Enable virtual nodes for the AKS cluster.

Show Suggested Answer

Suggested Answer: B 🗳️
Changing the agent size is not allowed. In the future Microsoft plans to support multiple node pools wherein you can create different pools with different VM sizes.
Reference:
https://github.com/Azure/AKS/issues/132

by TSMRE at June 3, 2021, 4:04 a.m.

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moon2351

3 years, 5 months ago

Answer is B

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edmacoar123

3 years, 8 months ago

On exam today 19/11/21. Correct answer. Score 860.

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syu31svc

3 years, 11 months ago

https://docs.microsoft.com/en-us/azure/aks/use-multiple-node-pools In Azure Kubernetes Service (AKS), nodes of the same configuration are grouped together into node pools. These node pools contain the underlying VMs that run your applications. B is correct

upvoted 4 times

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MinhajR

3 years, 11 months ago

On Exam 27/08/2021

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leo_az300

3 years, 12 months ago

Answer is correct. The only tricky part is that the question should specify AKS cluster load balance SKU The AKS cluster must use the Standard SKU load balancer to use multiple node pools, the feature is not supported with Basic SKU load balancers.

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tita_tovenaar

4 years ago

We lack info to be sure while picking the right answer, as this is dependent on the initial config of App1. Alternatively we have to assume that App1 has default nodes which are DS2v2 (different from DS3v2 required by App2) I'm guessing the actual exam question has clickable sections and we only see one shot here. Having said that, bear with me: A - wrong, this is related to Kubernetes software version B - valid answer, ref. https://docs.microsoft.com/en-us/azure/aks/use-multiple-node-pools C - probably wrong as App1 and App2 (probably) have different specs D - virtual nodes are not meant for this use case, but rather to wrap Kubernetes around other services that support containers such as AWS Fargate, IoT Edge, Hyper.sh or Microsoft’s ACI

upvoted 3 times

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anupam77

4 years, 1 month ago

Correct answer : B https://docs.microsoft.com/en-us/azure/aks/use-multiple-node-pools#specify-a-vm-size-for-a-node-pool

upvoted 3 times

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Mikeliz

4 years, 1 month ago

I think A should be the answer. The created AKS runs on B2S, the App2 needs needs to run 4 nodes of size DS3 v2. This should be upgraded.

upvoted 1 times

nakedSnake666

4 years, 1 month ago

question leads to admit that app1 migut still run on the B machines. So, a new pool will do for app2

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TSMRE

4 years, 1 month ago

On exam 6/7/21

upvoted 2 times

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RubberenRobbie

4 years, 1 month ago

A: wrong upgrading has to do with Kubernetes version C: wrong this cluster cannot autoscale D: wrong this is for using ACI in your cluster Unfortunately B. is also WRONG. You cannot Add a node pool if scale sets are not enabled. Still B. is the best answer, but it will not work in this particular config

upvoted 4 times

tita_tovenaar

4 years ago

comment is incorrect when it comes to D. Adding virtual pods is perfectly supported and not limited to (non-Kubernetes) ACI, see ref: https://docs.microsoft.com/en-us/azure/aks/virtual-nodes

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Amit3

4 years, 2 months ago

Answer is correct.

upvoted 2 times

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TSMRE

4 years, 2 months ago

Given answer is correct :)

upvoted 4 times

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