Why would the network administrator configure RA in this manner?

Why would the network administrator configure RA in this manner?

A.
To give students access to the Internet

B.
To prevent students from accessing the command prompt of RA

C.
To prevent administrators from accessing the console of RA

D.
To give administrators access to the Internet

E.
To prevent students from accessing the Internet

F.
To prevent students from accessing the Admin network