What are three purposes of the name service switch file? (Choose three.)

A.
It contains information necessary for locating user authorizations and profiles.

B.
It contains the names of all the users who can use this system over the network.

C.
It determines which file systems will be used for operating system configuration data.

D.
It determines which data sources will be used to resolve the names of other nodes on the network.

E.
It contains information used to determine how names and passwords for users will be resolved at login.

F.
If multiple networks are connected to the system, this file determines which one will be used to locate other resources on the network.