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Microsoft Exam DP-420 Topic 5 Question 63 Discussion

Actual exam question for Microsoft's DP-420 exam
Question #: 63
Topic #: 5
[All DP-420 Questions]

You have an Azure Cosmos DB for NoSQL account1 that is configured for automatic failover. The account1 account has a single read-write region in West US and a and a read region in East US.

You run the following PowerShell command.

What is the effect of running the command?

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Suggested Answer: B

You can use the Set-AzCosmosDBAccountRegion cmdlet to update the regions that an Azure Cosmos DB account uses. You can use this cmdlet to add a region or change the region failover order.The cmdlet requires a resource group name, an Azure Cosmos DB account name, and a list of regions in desired failover order1.

For your scenario, based on the PowerShell command, you are using the Set-AzCosmosDBAccountRegion cmdlet to update the regions for an Azure Cosmos DB account named account1 that is configured for automatic failover. The command specifies two regions: West US and East US. The effect of running the command is thatthe account will be configured for multi-region writes.

Multi-region writes is a feature of Azure Cosmos DB that allows you to write data to any region in your account and have it automatically replicated to all other regions. This feature provides high availability and low latency for write operations across multiple regions.To enable multi-region writes, you need to specify at least two regions in your account and set them as write regions2. In your command, you are setting both West US and East US as write regions by using the -IsZoneRedundant parameter with a value of $true for both regions.


by Remedios at Jun 16, 2025, 05:36 AM

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Carin
15 days ago
Haha, I love how these Cosmos DB questions always have a bit of a twist. I'm gonna go with B, but I'm secretly hoping the real answer is just 'Summon the Azure Cosmos DB genie and wish for world peace.'
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Socorro
16 days ago
I'm going with A. A manual failover just seems like the logical outcome of that command. Though I do wonder if the Azure engineers are having a laugh at our expense with these exam questions.
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Nieves
20 days ago
D sounds like the right answer to me. Enabling multi-region writes is a pretty cool feature of Cosmos DB, but I guess it comes with its own set of challenges.
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Han
7 hours ago
I agree, enabling multi-region writes can definitely improve performance and availability.
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Hester
25 days ago
I'm not sure about that. I think it might be A) A manual failover will occur.
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Norah
1 months ago
Hmm, I think the answer is B. Changing the failover priority will make the account unavailable for writes during the transition. Gotta be careful with those Cosmos DB configs!
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Rochell
12 days ago
It's important to understand the implications of such changes. B does seem like the most logical choice here.
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Effie
16 days ago
Yeah, changing the failover priority can definitely impact availability. Better be cautious with those configurations.
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Nancey
26 days ago
I think you're right, B sounds like the correct answer. Can't afford to have the account unavailable for writes!
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Dominga
1 months ago
I agree with Albina. The command seems to be setting up the account for multi-region writes.
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Albina
1 months ago
I think the answer is D) The account will be configured for multi-region writes.
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