フリー問題

問題文

A reviewer reading the topology components section asks two things: what an Azure delegated subnet actually is, and how the primary virtual network interface of an instance comes to exist. What do the component descriptions say?

選択肢

1. A delegated subnet is subnet delegation injecting a managed platform service into your virtual network so it acts as a resource inside it, and a primary virtual network interface is created and attached automatically at launch and stays for the instance's lifetime.
2. A delegated subnet is subnet delegation injecting a managed platform service into your virtual network so it acts as a resource inside it, and a primary virtual network interface has to be created and attached by hand after the instance has launched.
3. A delegated subnet is a public subnet that exposes the managed service to the internet through a gateway, and a primary virtual network interface has to be created and attached by hand after the instance has launched.
4. A delegated subnet is a public subnet that exposes the managed service to the internet through a gateway, and a primary virtual network interface is created and attached automatically at launch and stays for the instance's lifetime.