Azure Bastion is deployed per virtual network.
A virtual network exists a network where all devices, servers, virtual machines, and data centers that are connected stand done so through software and wireless technology. This permits the reach of the network to be expanded as far as it requires for peak efficiency, in addition to numerous other benefits.
There exist three broad categories of virtual networks: private, internal, and external. A private virtual network permits a VM to communicate only with another VM on the same host. In contrast, an internal virtual network sets up transmission between a single host and connected VMs.
A virtual network (vnet) device exists as a virtual device that is described in a domain connected to a virtual switch. A virtual network device exists managed by the virtual network driver, and it stands connected to a virtual network through the hypervisor using logical domain channels (LDCs).
Hence, Azure Bastion is deployed per virtual network.
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