You purchase an Azure subscription. You plan to deploy an application that requires four Azure virtual
machines (VMs). All VMs use Azure Resource Management (ARM) mode.
You need to minimize the time that it takes for VMs to communicate with each other.
What should you do?
A.
Create a multi-site virtual network.
B.
Create a regional virtual network.
C.
Create a site-to-site virtual network.
D.
Add the VMs to the same affinity group.
Explanation:
Affinity groups are no longer available in ARM mode. Regional network is the new way of doing it.https://azure.microsoft.com/en-gb/documentation/articles/virtual-machines-windows-compare-deploymentmodels/
B
Affinity groups ensure that resources created within the same affinity group are physically hosted by servers that are close together, enabling these resources to communicate quicker. In the past, affinity groups were a requirement for creating virtual networks (classic). At that time, the network manager service that managed virtual networks (classic) could only work within a set of physical servers or scale unit. Architectural improvements have increased the scope of network management to a region.
As a result of these architectural improvements, affinity groups are no longer recommended, or required for virtual networks (classic). The use of affinity groups for virtual networks (classic) is replaced by regions. Virtual networks (classic) that are associated with regions are called regional virtual networks.
https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-migrate-to-regional-vnet
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great article
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Add the VMs to the same affinity group.
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This question makes no sense…
Regional VNETs and Affinity groups are only used for Classic mode. Question specifically says ARM mode; answer should be “Add them to the same VNET” or similar.
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