Exam AZ-801 topic 3 question 17 discussion

Actual exam question from Microsoft's AZ-801

Question #: 17
Topic #: 3

HOTSPOT
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You have an Azure subscription.

You plan to deploy a virtual machine named VM1 to the East US Azure region and use Azure Site Recovery between availability zones.

You need to configure the disks on VM1 and the virtual network. The solution must meet the following requirements:

• Maximize the availability of VM1.
• Maintain the private IP address of VM1 during failover and failback operations.

What should you configure? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Show Suggested Answer

Suggested Answer:

by rsadykoff at Nov. 7, 2023, 6:10 p.m.

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ahenriquez02

Highly Voted 8 months, 3 weeks ago

Answer is incorrect. Locally redundant storage (LRS) Premium SSD network, single subnet. Virtual network: You can use the same virtual network as the source network for actual failovers. For test failovers, use a different virtual network than the source virtual network. Zone-to-zone disaster recovery is not supported for virtual machines that have disks managed through zone redundant storage (ZRS).

upvoted 6 times

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chadamantium

Highly Voted 10 months, 3 weeks ago

Answer is incorrect. Should be LRS, Single network, single subnet https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-how-to-enable-zone-to-zone-disaster-recovery Zone-to-zone disaster recovery isn't supported for VMs that have managed disks via zone-redundant storage (ZRS). Virtual network: You can use the same virtual network as the source network for actual failovers. For test failovers, use a virtual network that's different from the source virtual network. Subnet: Failover into the same subnet is supported. Private IP address: If you're using static IP addresses, you can use the same IP addresses in the target zone if you choose to configure them that way.

upvoted 5 times

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FM221228

Most Recent 1 year ago

"Zone-to-zone disaster recovery isn't supported for VMs that have managed disks via zone-redundant storage (ZRS). So LRS is the correct answer.

upvoted 2 times

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windowsmodulesinstallerworker

1 year, 2 months ago

ZRS and one vnet one subnet

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rsadykoff

1 year, 3 months ago

I think it is one virtual network and two subnets: https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-how-to-enable-zone-to-zone-disaster-recovery#networking-for-zone-to-zone-disaster-recovery

upvoted 2 times

windowsmodulesinstallerworker

1 year, 2 months ago

Subnet: Failover into the same subnet is supported.

upvoted 5 times

SanMan_NZ

11 months, 1 week ago

I agree.... quoted from link above: * Virtual network: You can use the same virtual network as the source network for actual failovers. For test failovers, use a virtual network that's different from the source virtual network. * Subnet: Failover into the same subnet is supported. * Private IP address: If you're using static IP addresses, you can use the same IP addresses in the target zone if you choose to configure them that way. When you use Azure Site Recovery, you must have a free IP address available in the subnet for each VM for which you want to use the same IP address in the target zone. During failover, Azure Site Recovery allocates this free IP address to the source VM to free up the target IP address. Azure Site Recovery then allocates the target IP address to the target VM.

upvoted 2 times

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