問題文
Every node of a configuration tree has a context standing behind it, and the page adds a warning about what the context does not do for the application. Which warning does it add?
選択肢
- It can name the sources the tree was built from, and yet it offers no way of reading the tree that had been loaded before this one.
- It can describe the tree that is loaded or put a newly loaded one in its place, and yet it drops the record of which sources that tree was built from.
- It can name the time at which the tree was loaded, and yet it does not outlive a reload of the tree that it belongs to.
- It can describe the tree that is loaded or put a newly loaded one in its place, and yet it gives no help at all in deciding when a reload would be worth doing.