To increase system security, it is often desirable to run daemons for system services with nonroot user ids. Which one of the following services can be run as a non-root user?

A.
inetd

B.
named

C.
rlogind

D.
crond

E.
telnetd

Explanation:
A) inetd is the Internet Super Server, that starts applications that may need root privileges
C)
D) crond has to start the contabs of many different users (including root), so it is impossible for crond to be run at user level.
E)