問題文
A web tier must grow and shrink with demand and every new member has to serve the same traffic as the existing members. Which combination builds that behavior?
選択肢
- A custom image that captures the launch settings and an instance pool that creates members from it and a route table that takes the pool as its next hop for the traffic.
- A capacity reservation that captures the launch settings and an instance pool that creates members from it and a security list that takes the pool as its source of servers.
- An instance configuration that captures the launch settings and an instance pool that creates members from it and a backend set that takes the pool as its source of servers.
- An instance configuration that captures the launch settings and a backend set that creates members from it and an instance pool that takes it as its own source of servers.