<ul><li>A virtual network in Azure functions similarly to an on-premises network, allowing seamless connectivity between various resources.</li><li>Virtual networks in Azure can include multiple subnets, each with its own address range derived from the main network's address space.</li><li>Network Security Groups (NSGs) control inbound and outbound traffic for Virtual Machines (VMs) in a virtual network.</li><li>Network Interfaces (NICs) enable communication between Azure Virtual Machines (VMs) and the virtual network, supporting multiple NICs per VM.</li></ul>

Azure Virtual Networks (vNet): Overview 2025

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