問題文
The retailer wants both of its data centers to carry shoppers at the same time, and also wants requests inside each data center spread across the servers there. Which pairing of services must appear in the proposal?
選択肢
- Choosing which data center answers is done by the resolving layer, and spreading requests among the servers there is done by the balancing function the proposal lists beside it.
- Choosing which data center answers is done by the patching layer, and spreading requests among the servers there is done by the balancing function the proposal lists beside it.
- Choosing which data center answers is done by the patching layer, and spreading requests among the servers there is done by the logging function the proposal lists beside it.
- Choosing which data center answers is done by the resolving layer, and spreading requests among the servers there is done by the logging function the proposal lists beside it.