フリー問題

問題文

The same manufacturer is tidying the list of resources that one of its machines offers. An engineer asks whether the resource that stands for the name of the machine and the resource that stands for its operating system can be taken off that list. A colleague is filling in how many past runs of a task the Load Balancer weighs when it picks a machine. Which pair fits?

選択肢

1. The resource that stands for the name of the machine and the resource that stands for its operating system often leave that list, and the Load Balancer weighs the figures that the last 3 runs of a task left behind.
2. The resource that stands for the name of the machine and the resource that stands for its operating system often leave that list, and the Load Balancer weighs the figures that the last 8 runs of a task left behind.
3. The resource that stands for the name of the machine and the resource that stands for its operating system never leave that list, and the Load Balancer weighs the figures that the last 3 runs of a task left behind.
4. The resource that stands for the name of the machine and the resource that stands for its operating system never leave that list, and the Load Balancer weighs the figures that the last 8 runs of a task left behind.