1.Which configuration file does sudo read when determining if a user is permitted to run applications with

　　root privileges?

　　A./etc/groups

　　B./etc/passwd

　　C./etc/sudoers

　　D./etc/sudo.conf

　　Answer: C

　　2Which of the following programs uses the hosts.allow file to perform its main task of checking for

　　access control restrictions to system services?

　　A.tcpd

　　B.inetd

　　C.fingerd

　　D.mountd

　　E.xinetd

　　Answer: A