$2\mathrm{.}4-2$ Why does the DNS perform caching? What is the value of caching in the local DNS name server? Check all that apply.

Question $7$ options:

DNS caching provides for faster replies, if the reply to the query is found in the cache.

DNS caching results in less load elsewhere in DNS$,$ when the reply to a query is found in the local cache.

DNS caching provides prioritized access to the root servers, since the DNS request is from a local DNS cache.

DNS caching provides the ability to serve as authoritative name server for multiple organizations.